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Barry Allen

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For other uses of "The Flash", see The Flash (disambiguation).
Barry Allen
Civilian - The Flash

Barry Allen

Occupation Forensic scientist for the Central City Police Department
Vigilante (in secret)
Leader of Team Flash (in secret)
Owner of S.T.A.R. Labs (legally)
Status Alive
Family Henry Allen (father)
Nora Allen (mother; deceased)
Joe West (foster father)
Iris West (foster sister)
Actor Grant Gustin
Logan Williams (young)
Alter ego The Flash
"My name is Barry Allen. And I am the fastest man alive. To the outside world, I'm an ordinary forensic scientist, but secretly, with the help of my friends at S.T.A.R. Labs, I fight crime and find other meta-humans like me. I hunted the man who killed my mother, but in doing so, I opened up our world to new threats. And I am the only one fast enough to stop them. I am...The Flash!"
—Barry Allen (Season 2 Intro)

Bartholomew Henry "Barry" Allen[1] (born c. 1989)[2] is a scientist in the Criminal and Forensic Science Division of Central City Police Department. Barry is the son of Henry and the late Nora Allen, the foster son of Joe West, and the best friend/foster brother of Iris West, whom he has romantic feelings for. After the S.T.A.R. Labs particle accelerator exploded, it caused a giant thundercloud to form and Barry was struck by lightning, falling comatose for nine months. When he woke up from his coma, he discovered that he had developed superhuman speed and various other abilities derived from it. Using these super powers, he began acting as the vigilante and superhero known as Red Streak or The Streak. Soon after, the public recognized him as The Flash, stylized as the Scarlet Speedster.[3][4]


Early life

Barry Allen was born 1989 to Henry and Nora Allen as an only child. At some point in his childhood he met Iris West who he became best friends with, and soon after forming a crush on her which her father Joe and both Henry and Nora were aware of. However Barry was also bullied by Tony Woodward and came to greatly resent him.

When Barry was eleven years old, he ran home from school after getting into a fight. Though not being fast enough, his mother promised that he had a good heart, and his father was proud of him for winning the fight.

Original timeline

Barry became a CSI for Central City police and eventually became director of the division. As Barry grew up his feelings for Iris became deeper as did hers. The two eventually married and she became part of the Allen family as Iris West-Allen who also became a reporter. In 2020 a particle accelerator created by Harrison Wells and Tess Morgan was launched successfully. A few years later, Barry becomes a metahuman by unknown means. However, it is suggested that he was "chosen" by the Speed Force. For reasons and intents unknown he also created Gideon, an artificial intelligence program. He also became a founding member of an unknown organisation.[5]

At some point between 2020 and 2024 Barry encountered another speedster from the future named Eobard Thawne/Reverse-Flash and the two came to form bitter grudges against each other and fought for years with neither able to defeat the other, but the cause of this feud remains unclear. Eobard was also able to steal Barry's Gideon program for his own uses. Eventually Eobard learned Barry's identity and sought to murder Barry as a child in order to prevent the Flash's existence. In efforts to stop him Flash recruited fellow vigilantes Green Arrow, The Atom and Hawkgirl to fight him in the streets above two oil trucks. However, despite the collaborated effort both Flash and Reverse-Flash disappeared in the conflict in an explosion of light and were reported missing by Iris.[5]

Barry's future suit

Barry as The Flash from the original timeline.

Unknown to anyone, both men actually time traveled back to the year 2000 when Barry was 11 years old, where Reverse-Flash set out to kill child Barry as planned but Flash followed him. Arriving in the Allen house Flash and Reverse-Flash battled around Nora as Henry and young Barry entered the room, and young Barry caught a glimpse of the Reverse-Flash in the fight. During the fight Flash caught a glimpse of another Flash, this one the present day version of the younger Barry in the current timeline, trying to intervene. However, Prime Flash warned Alternate Flash not to interfere for reasons unknown and continued battling Reverse-Flash. Eventually Flash was able to grab his younger self and transport him to safety 20 blocks away but at the cost of his mother dying in Barry's place. The older Flash subsequently vanished leaving his fate unknown.[6]

Current timeline

Barry (young) returned in time to see his father being arrested by police, the former who told him not to enter the house. He entered, seeing Detective West standing solemnly over a body. When he walked away, Barry approached the body and discovered, to his horror, that it was his mother. Following the ordeal, Barry was fostered by Joe and Iris.[7]

Initially, Henry asked Joe to not let Barry see him. Not knowing this, Barry kept trying to run away to see his father at Iron Heights, and he was caught and stopped by Joe every time; at one point, Barry called him out for it, telling him that he wasn't his father and that he hated him. Eventually, Barry finally reached Iron Heights before Joe could stop him, and he finally came face to face with his father. Henry told him that he simply did not want Barry to see him in prison. Despite this, Barry begged for his father's release, insisting that the man in the lightning was who killed his mother, not Henry. Henry told him that he couldn't help him and asked that he be a good boy while Joe raised him. Henry was promptly taken away.[8]

In school Barry was relentlessly bullied by Tony Woodward. Joe noticed this and had Barry spar with Iris who easily beat him. Joe then told Barry that if he ever got into a fight he couldn't win that it was okay to run the other way.[3]

At the age of 12, Barry went to reptile camp, which was paid for by Joe.[9]

Barry had graduated from college majoring in two fields of science. It was with this skill that Barry was motivated by his mother's murder to study criminology, in the hopes of proving that his father was innocent.[10]

Visit to Starling City

Years later, Barry arrived in Starling City. He wasn't able to initially get a cab as the driver pulled away, and he soon arrived at Queen Consolidated's Applied Sciences Division to investigate a mysterious break-in as a CSI from Central City with a connecting case, where he met Oliver Queen, John Diggle, Quentin Lance and Felicity Smoak (the latter whom he had an instant connection with).

He was set up in the division with Felicity's help, unknown to Barry, because Felicity believed that they should have used him as an asset seeing as forensic science was not the expertise of any of their team (namely Felicity, who usually did most of the information gathering and recon). The two began talking, and Barry began speculating about The Arrow and his background, making incisive observations about why The Arrow wore green instead of black, the type of arrows he used, and how he theorized that The Arrow has partners, particularly someone who had a background in computer sciences; all of this unnerved Felicity.[10]

Barry was astounded when Felicity asked him to help with a blood sample from an arrow she received from the police both by her "connections" from working for Oliver, and the fact that he was working the same case as The Arrow. During that particular part of their investigation, Felicity invited Barry to a Queen Consolidated function, which was actually a party at the Queen Mansion. However, before the results came in, his cover as a crime scene investigator working for the police was blown by Oliver just after he and Felicity began arguing over a news report about the mass particle accelerator. It was revealed that he was just an assistant CSI and there was no connecting case in Central City. Barry explained what happened to him as a child, and how it had caused him to begin looking into cases with impossible circumstances, in hopes of one day proving one possible, therefore solving his mother's murder and freeing his father. He was later re-invited by Oliver as Felicity's plus one to come to his home where he was throwing a party for his mother. When there, he apologized to Felicity while they danced.

After the party, Barry was contacted by his boss and was told to return to Central City if he hoped to keep his job, and revealed the sedative used was ketamine, informing Felicity it should have been easy to track. He tried to catch the soonest train, though missed the last one of the night. He settled down in to the train station to wait for the next one in the morning, when suddenly he was hit with a tranquilizer dart to the neck. When he awoke, he found himself in Oliver's base with Diggle watching him and Oliver lying on a table in full Arrow costume. Felicity approached him and asked Barry to save Oliver's life, who was not only poisoned with an unknown substance from the A.R.G.U.S. disaster bunker, but also had been beaten by the robber who had stolen the centrifuge from Queen Consolidated, raided the blood bank, and encountered Oliver as The Arrow while stealing large amounts of ketamine from the bunker.[10]

Red surge travels through Barry Allen

Barry Allen after being struck by lightning caused by the S.T.A.R. Labs particle accelerator.

Barry was able to save Oliver's life, which Oliver was not too pleased with at first, as they had revealed his secret without his permission. However, Barry eventually gained Oliver's trust. He recommended that a mask would be better than the green grease he used on his eyes as better concealment of his identity. Oliver later asked him if there were any side effects to the rat poison he injected in him, and Barry told him that it could cause hallucinations and heavy sweating. He then discovered that Oliver's hallucinations weren't from the serum, and that it was psychological. Barry soon after headed back to Central City.[11]

On his train back to Central City, Barry encountered Martin Stein and the two discuss physics and Harrison Wells' particle accelerator and how it would change the world.[12] After he got off the train, he soon headed back to work, arriving to a crime scene late. He was successfully able to identify the getaway car from the robbery and also grabbed a sample of some animal feces found on the ground, before heading back to his lab to examine the evidence. While processing the feces, he was greeted by Iris West. Barry discussed the S.T.A.R. Labs particle accelerator, noting that it provided ideas that were far beyond their current capabilities of science, hence why he was so excited. Detective West approached right as the feces had processed. Barry described the results found, explaining that it had a chemical used only at four different farms around town, suggesting they check them out. Following, Barry and Iris headed to the unveiling and switching on of the particle accelerator. Barry attempted to convey his attraction towards Iris, but she simply misunderstood it. They began listening to S.T.A.R. Labs CEO Harrison Wells, who described how the particle accelerator would lead to a much greater future. As they were listening, a guy stole Iris' bag along with her laptop inside it. Barry ran after him, attempting to catch up to him, however the guy knocked the wind out of him and ran off (only to later get caught by Detective Eddie Thawne). At the police station, Iris and Barry mocked Eddie, a new transfer from Keystone City. Later Barry headed to his lab, watching the news of the S.T.A.R. Labs particle accelerator, but as he watched it, it became unstable. The particle accelerator sent a shock-wave through the city, and only seconds later was Barry struck by a red bolt of lightning through a window in the roof. He was sent backwards through the already-charged chemicals and was knocked unconscious. A red flash of light appeared across his cheek, rising, and then faded away.[11] He was quickly rushed to hospital, where he was kept on life support whilst in a coma.[7]

For the following five weeks, Felicity Smoak visited Barry in the hospital while he was in a coma, and left only to help Oliver.[13] Barry's heart constantly seemed to stop working, however it was concluded by Harrison Wells, who begun to visit him, that his heart was in fact beating too fast to even register.[7] Barry was visited by his friends and relatives at the hospital frequently. When Iris came by one day, she received a static shock as she grabbed Barry's hand. Barry was later visited by Eobard Thawne, who swore there would be a reckoning coming and that nothing has been forgiven.[5]

When Barry's condition began to worsen he was moved to S.T.A.R. Labs to be closely monitored and was frequently visited by Iris West.[14]

Becoming The Flash

When he woke up from his coma 9 months later, Barry met Cisco Ramon, Harrison Wells,and Caitlin Snow. He learned of his coma and how it had been caused by the explosion of the particle accelerator. Much to their annoyance, Barry chose to leave, claiming that he felt normal. Barry went to meet Iris at her work, where the two embraced, Iris incredibly thrilled to see Barry awake and walking. As they talked, Barry noticed time slow down, then fasten back up again. Iris grabbed her jacket, then they went to visit Joe at the police department. Joe was more than happy to see Barry, though he was called to a robbery at Gold City Bank. Detective Thawne followed West, also expressing his happiness at Barry's return. As they left, Barry noticed a rough detainee, who quickly reached for a police officer's gun. Before he could grab it, Barry sped over to him and back, stopping him from doing anything.

Freaked out by the incident, Barry promised to call Iris that night and left. Once outside, Barry noticed his hand shaking at an unbelievable speed, shortly followed by him accidentally almost running in to a bin at super speed, then breaking the back window of a cop car. Realizing the gifts he had, Barry went off running, testing out his super speed. Before long, he accidentally ran through the back of a van. Sometime later at an airfield, Barry met with Cisco, Caitlin and Wells. He put on a tight suit and got ready to run. Dr. Wells cautioned restraint, whereupon Barry began to run at full pelt.

Partway through, he began to remember the night of his mother's murder, specifically a ball of lightning with a man seemingly inside it surrounding his mother, and he crashed, fracturing his wrist. Back at S.T.A.R. Labs, they discovered that Barry's wrist had healed in under three hours, much to their amazement. Dr. Wells inquired as to what happened, and Barry explained what he'd remembered: a man somehow inside a ball of lightning. Barry raised the question that perhaps there were more people like him, but Harrison rejected the idea, claiming that Barry was unequivocally one of a kind. Following that, Barry went to meet Iris at Jitters. He looked upon Iris and Eddie kissing, and they soon took a walk as Iris explained to Barry how the two of them had met, asking him to promise not to tell her father. As they talked, a police car involved in a car chase slammed on the brakes, leading to Barry pulling Iris out of the way as the car hit the wall under the bridge. As the other car raced by, Barry recognized its driver: the seemingly dead Clyde Mardon. Barry ran after the car, crashing through the side and entering. Before Mardon could get his gun out, Barry grabbed the steering wheel, making the car tumble on its side, on to its top. Mardon exited the vehicle, relatively unscathed and Barry quickly followed.

He called out to catch Mardon's attention, but soon the area was flooded with fog, apparently made by Mardon himself, causing a car to run in to the already overturned car, forcing Barry to speed to a nearby patch of grass for safety. Paramedics soon arrived, along with the police, including Joe. Joe scolded Barry for having Iris out in the open and Iris for having followed the danger. Barry took Joe aside, telling him of his belief that the car was driven by Clyde Mardon, who had apparently survived a plane explosion, also somehow gaining the ability to control the weather. Despite various pieces of apparent evidence, Joe didn't believe him. Frustrated with Barry's seeming fantasies, Joe explained how his claims were impossible, including the ball of lightning with the man inside; he knew Barry's father was the murderer, as did numerous others. Having never asked for anything from Barry, Joe asked Barry to for once be realistic, to which Barry simply walked off, disappointed.

He returned to S.T.A.R. Labs, angry at Wells for lying to him about being the only one affected by the particle accelerator's explosion. Dr. Wells claimed to not be entirely sure, as there had been numerous amounts of radiation including anti-matter, dark energy and x-elements, all apparently theoretical prior to the event. Despite them only being theory up to that point, Wells claimed that Barry was proof otherwise. He went in to more detail, explaining that they'd been looking for more "meta-humans", a term they'd coined for people like Barry. Barry brought up Clyde Mardon, whom they had to stop before he hurt anyone again. Wells cautioned Barry to keep himself safe, as Barry had the potential to unlock previously undiscovered vaccines, medicines and breakthroughs in science, yet he wished to put himself on the line and "play hero". Dr. Wells saw him as nothing special, just a boy who'd been struck by lightning.[7] Upset by Harrison's statement, Barry called Oliver Queen, hoping to get some advice.[15] He visited Oliver in Starling City, where he expressed that he believed Barry could save people, though in an entirely different way to The Arrow. As opposed to The Arrow's tough vigilantism, Barry could be a guardian angel to the people of his city, saving them "in a flash". As he speeds away, Oliver expressed his awe at Barry's powers. Barry headed back to Central City, to S.T.A.R. Labs. He apologized to Caitlin and Cisco, understanding that they'd lost things in the explosion, but there had been an increase in crime, presumed to have led from the creation of meta-humans. They agreed to help, and Cisco even suggested the use of a suit he'd made, initially for a firefighter, but believed it suited Barry well. He put on the suit and raced to Mardon's farm, where they'd noticed an acute change in the weather. He saved Joe and Eddie, who'd come to investigate, after a piece of debris flew at them. With Mardon's tornado heading towards the city, with an increasing wind speed, Barry suggested that he run around the tornado in reverse in order to unravel it. Despite Caitlin and Cisco's belief that Barry might not hold up, he proceeded to run around it. Before he could run fast enough, Mardon knocked him away. Believing him to be too strong, Barry didn't think he could beat Clyde. However, as he was about to give up, Dr. Wells began communicating with him. Despite acting selfishly, Wells expressed that he truly, deeply believed that Barry was special, that he could help stop the havoc he'd created. With the confidence boost, Barry was able to run fast enough, clocking just over 700 mph, ultimately unraveling the tornado. After being knocked to the ground, both Clyde and Barry stood up. Clyde proceeded to point a gun at him, claiming them to be the same, though Barry strongly disagreed. Before he could shoot Barry, Joe intervened. The following morning, still at the crime scene, Joe and Barry discussed Barry's powers and Joe apologized, for not believing him and for also believing his father a murderer. Barry also promised not to reveal anything to Iris so as to keep her safe. Not long after, Barry visited his father in Iron Heights Prison, assuring him that he still believed in him, that he was incredibly proud to be his son. After that, with a lightning bolt symbol added to his suit, Barry ran through the streets of Central City, saving a man from crashing on his bicycle.[7]

Sometime after, Barry was at work when he overheard a call that Joe and Eddie received of a situation at the Central City National Bank. He left and suited up, making his way to the bank, not before saving some dogs on the way. He attacked the man, finding that his punches didn't do much. The strongman threw him in to a pillar, causing it to break. Barry used his super speed to escape the crash and left before Joe or Eddie could see him.[16] He made his way back to S.T.A.R. Labs, by which time his ankle had healed the wrong way. He informed the team of it and they sought to re-break it and set it straight. Barry described the strongman to Dr. Wells, who insisted that Barry not take it to the police, as he had to keep his secret identity a secret. He received a text requesting his presence at the crime scene.[17] When he arrived he encountered Iris. She and Eddie walked off together, so Barry got to work by collecting DNA samples of the man. He overheard Eddie talking to another cop, believing that not only were he and Iris like siblings, but that Barry wasn't even her type. Barry handed over the DNA samples to Caitlin and Cisco, and went to help Joe get fingerprint samples from a man who was at the bank. Barry took the man's fingerprints, but accidentally hurt him when he was paying too much attention to Iris and Eddie. Following that, Joe and Barry left. In the car, Barry expressed his disappointment at having to keep his secret hidden, but Joe simply reassured him that it was necessary. As they talked, Eddie and Iris were involved in a crash in front of them. Barry and Joe got out of their car to help. The other two were fine, but they were all quickly shocked by the cause of the crash; a number of leopards and a tiger, who leaped towards Iris.[17] As Eddie attempted to keep the cats at bay, Barry evacuated a bus using his super speed, then used some static electricity from the bus to scare the cats away. Unbeknownst to him, Eddie was left to think that he had done it, while Barry left the scene. He contacted Cisco and Caitlin, who alerted him to a group of chimpanzees wrecking a Tech Village store nearby. He suited up again and headed over there, giving each of them fruit from a fruit stand and allowing them to watch King Kong on a TV. Soon after, he directed them back towards the zoo. On the way there, an eagle defecated on his face. After locking the chimpanzee enclosure, Barry noticed a collar with a purple top hat on the tag, which he recognized. Caitlin and Cisco revealed that they'd ID'ed the sweat sample, finding that it belonged to Joey Rose. Cisco suggested he get back before anyone notice he was gone. When he arrived back in the tunnel, back to his usual clothes, Eddie noticed the smell of poo on Barry. Given that Barry had claimed he'd been hiding, they inferred the worst, Joe suggesting they head back to the police department and get cleaned up quickly. As he was about to exit the police department, Captain Singh ordered Barry, Joe and Eddie to check out a homicide at 122 West Olympic Street. Whilst there, Barry noted bite marks on the victim from a Russell viper. Eddie noticed papers strewn around the floor were in fact deeds to businesses; among them in particular was a circus. Barry contacted Caitlin, who unearthed that the circus, Central City Circus, was foreclosed, with the owner having previously escaped from Belle Reve, killing two people.[9] After discovering the identity of the Central City Circus ringmaster, Barry sped back to S.T.A.R. Labs to learn more about him. Dr. Wells, a former fan of the circus, reminisced about him, Nathan Bliss, or Mr. Bliss as he was known, commenting on how extremely captivating he was. They pieced together that the strongman had been a meta-human due to his enormous size, and the zoo animals had been controlled by someone. Figuring that the circus had been in the range of the S.T.A.R. Labs particle accelerator's explosion, it was easily possible that the circus itself had been hit by it, therefore making Mr. Bliss also a meta-human. Barry decided to suit up and head to the circus. When he got there, he noticed Joey Rose, the strongman, standing guard. He mentioned how his boss had been awaiting Barry's arrival. As he entered the tent, a bunch of clowns rode towards Barry on a single bicycle. He knocked all of them out, proceeding on. He came across a man regurgitating swords, who threw one towards Barry. They entered a sword duel, only for Barry to use his super speed to outwit the man, knocking him away. However, he was promptly knocked over himself by the strongman. Before being able to be smashed, Barry raced around Joey towards Mr. Bliss, who had appeared. Before Barry could do him harm, Mr. Bliss had a floating man in a turban named Rajeet levitate him up through the air, soon leaving the atmosphere of Earth. As he started to freeze up, he was brought back down. Mr. Bliss quipped that although he was a speed freak, he was simply still a freak, therefore fitting in rather well with their circus.[18] Mr. Bliss proceeded to tell Barry of his upbringing and how he'd joined the circus, all of which bored Barry. He went on to mention the night of the particle accelerator explosion, which had given most of them powers. Barry, now locked up in a cage, tried to reason that they could be used for good, as he did, but Bliss simply wished to make the city suffer for doing the same thing to the circus. Not wishing for anything bad to occur, Barry vibrated his hands at such a speed that the bars simply melted away, allowing him to run at Mr. Bliss. However, Bliss revealed the nature of his meta-human abilities: the ability to control one's feelings. Initially causing Barry to writhe in pain, as he got up he saw his mother, who he claimed to miss dearly. As they embraced, however, Mr. Bliss turned her in to a nightmarish, demonic creature.[19] She pinned him down, judging him for apparently not having done enough in relation to her murder. He attempted to apologize, but she threatened to stab him as she had been stabbed. He jumped out of her way, but begged for mercy from Mr. Bliss. As he wept on the ground, Cisco and Caitlin crashed through in a van. They soon escaped, taking Barry to S.T.A.R. Labs. While he lay in a catatonic state, Dr. Wells insisted that he had to get better in order to save the city.[20]

Barry Allen experiencing dizzy spells

Barry Allen experiencing dizzy spells

Barry continued to save citizens throughout Central City, much to the frustration of Caitlin and Joe. At his day job with the CCPD, Barry investigated a strange robbery and murder scene wherein the surveillance footage showed one man, but evidence indicated that there were at least six present. He later made a casual remark that the perp's footprints were about the same size as those of Captain Singh's but was reprimanded for it by Joe, who reminded him not to tell Iris about his ability. Later, Barry went to Stagg Industries with Iris, where Simon Stagg was set to receive an award from Central City University. Iris was covering the event for her journalism assignment and needed Barry to help her with the scientific parts. At the event, the armed gunmen responsible for the scene Barry had just investigated came arrived and was in the process of taking their valuables when a security guard attempted to stop them. Just before they could shoot him, Barry saved him and went after the robbers, only to lose consciousness along the way. After his fainting, this prompted the S.T.A.R. Labs scientists to investigate Barry's recent weaknesses. After a run at a "Cisco'd" treadmill, it was discovered that Barry had acute hypoglycemia, a condition that Barry developed because of his sped-up metabolism and could be remedied by a more extensive meal plan. Joe then arrived at the lab and called him out for his unnecessary heroics. Because of this, Barry lost confidence in himself and, face to face with Danton Black, the meta-human that infiltrated the Stagg event, he realized that he did not have the ability to really go up against them. At this point, Iris was still trying to get Barry to tell her what was going on with him. Just when he had momentarily quit his association with Wells and the others, Iris revealed that her new journalism topic would be his alter-ego, who has been dubbed the "red streak" by citizens. Caitlin then called Barry back to S.T.A.R. Labs and told him of a way to defeat Black. Joe then arrived to convince Barry to go after him. Barry did and followed Danton to Stagg Industries, where he intended to kill Stagg once and for all. With pep talk from those at the Lab, including Joe, Barry was able to isolate the real Danton from the hundreds of clones and put him down. When Danton momentarily regained consciousness, he attacked Barry only to miss and hit the window. Barry tried to save him from falling but Danton, not wanting to be saved, summoned up an extra hand to pull him from Barry's grip and fell, much to Barry's disappointment. Later, Barry commended the group at the lab, who then fully supported Barry's city-saving, even Caitlin, and made amends with Joe.[8]

Barry went to the movies with Iris when Cisco and Caitlin informed him of a car chase. Using his speed Barry quickly stopped the robber and returned before Iris knew he was gone. The next day Barry and Joe investigated the death of the Darbinyan crime family. Noting that as the victims were poisoned with gas they would have all died at the same time, yet some of them had time to move. This led to Barry realizing that they were dealing with another meta-human who could control gas. At S.T.A.R. Labs, Joe brought up the topic of finding a suitable prison for meta-humans. Wells and Cisco decided that the particle accelerator would be the best place to hold them until they could cure them of their powers. Caitlin, remembering the death of her fiancé Ronnie, froze in her spot. Seeing her distraught, Barry offered for Caitlin to help him run tests on the poison gas they'd procured. At Barry's lab the two talked about Ronnie until the DNA results came back, revealing that the gas inside the victims also had someone else's DNA. Hearing of the murder of Theresa Howard on the police radio, Barry left despite Caitlin pleads. Arriving at the scene, Barry found himself too late and angrily chased after the meta-human. Before he could fight him, the man transformed in to gas and forced Barry to inhale him. Rushing back to S.T.A.R. Labs, the team were able to painfully extract the gas with a needle. Despite being told to rest, Barry went to talk to Joe and confide in him about his inability to save the judge. He went on to mention his temptation to break his father out of jail, though Joe reasoned that his father would simply be a fugitive, and despite his abilities, Barry would never be able to save everyone. Later Barry apologized to Caitlin for worrying her, only for Caitlin to reveal that what he had said to her were the same last words Ronnie said before he died. Barry decided to help her overcome her fear of walking into the particle accelerator. After finding peace, she thanked Barry and the two embraced. Wells and Cisco soon called them up and revealed that a sedative was also found in the gas. Barry told Cisco to check if anyone was executed on the night of the particle accelerator, as the two chemicals were used when executing death-row inmates. They identified the meta-human to be Kyle Nimbus, a hit-man for the Darbinyan crime family, who turned on Nimbus, leading him to be arrested by Joe West and prosecuted by Judge Theresa Howard. Barry quickly suited up and headed to Iron Heights prison, saving Joe who was visiting Barry's father. Barry then went after The Mist, as Cisco proudly nicknamed him, defeating him by tiring him (meaning he would be forced to revert to his human form eventually).
Barry and Henry remembers the former's first steps

Barry is reminded of his first steps.

Barry later visited his father and confided in him they he missed his mother. Henry comforted him by telling him the story of how he learnt to walk. Barry realized that to honor his mother he had to continue running, as he had always done.[21]

Barry trained the speed of his mind by multitasking by playing a game of chess with Harrison Wells, a game of Operation with Caitlin, and a game of table tennis with Cisco. Barry defeated Cisco and Caitlin but made a mistake which caused him to lose against Wells. Soon after, they had an alert of a bank robbery, to which Barry responded to quickly. At the scene, Barry managed to unmask Leonard Snart, the leader of his crew. After a guard was shot, Barry quickly rushed him to St. Andrews Hospital and quickly returned to the scene for work. When Captain Singh noted that a guard said there were four robbers, Barry corrected him to four, though he quickly justified his reasoning as it had to of been a four-man job. After Singh sarcastically thanked Barry for his insight, Joe asked if Barry saw anything that could help the case, to which Barry told Joe he saw one of them unmasked. At the prescient, Barry quickly identified Snart to which he learned that Snart's father was a dirty cop. Later when Iris brought Barry coffee, Barry was told by Iris that she began a blog about The Streak. Barry failed to convince her to stop with the blog as it only brings crazies and trolls. Barry was shocked when he saw Felicity in his office. Barry caught up with Felicity to which he learned Felicity listened to his entire conversation with Oliver on the rooftop. Barry showed Felicity his powers and brought her to S.T.A.R. Labs. When asked if they could trust Felicity, Barry told Cisco and Caitlin that she works with The Arrow, reassuring them. Barry showed his powers again, using the treadmill to which Barry attempted to show off by running backwards, though he failed. When Barry brought Felicity to Jitters, he was invited by Iris to join her and Eddie to Trivia Night and to bring Felicity. When Iris asks why Barry isn't dating Felicity who she claims to be the perfect girl, Barry states that they are only friends. At trivia night, Barry and Felicity answer a majority of questions correctly. Iris then pushed Barry to ask Felicity out again, assuming Felicity was very interested in Barry based on how she dressed. After Snart was spotted, Barry left and had Felicity cover for him, though she had no excuse that could work for him. Barry arrived in time to save Joe and a few others but due to the fact he was struck by the cold gun when saving Joe, he was slowed down and failed to save a security guard. Barry later was furious at Cisco for building the weapon which caused the death of a man. Barry felt betrayed as he was never notified of such weapon, causing him to be unprepared. Barry quickly learned Cisco originally made the gun to be used on him, had he gone uncontrollable. After the team tracked Snart, Barry decided to take him on his own and turn off all communications. When Barry confronted Snart, Snart notes that Barry's weakness is his altruism always saving others, rather than go after the villain. Snart froze the wheels of the train, causing it to derail as he fled. Barry having no choice, managed to rescue all passengers though he was attacked by Snart. Before Snart could finish him, Barry was saved by Cisco, Caitlin, and Felicity. Back at S.T.A.R. Labs, Barry said his goodbyes to Felicity, though he later chased after her and hopped on her train. The two had conversations on relationships before sharing a kiss.[22]

Barry was hanging out with Cisco, Caitlin, Iris, and Eddie at a bar where he discovered that because of his high metabolism he could not get drunk. Suddenly an explosion was reported at a building Barry raced over to see a window washer about to fall, thinking of no other way to save him Barry asked Cisco and Caitlin how fast he would need to go to run up a building. They told him that if he moved at extremely fast speeds he would be fine but must maintain his speed on the way down or risk serious injuring. Barry rescued the man but was seen by Iris. blurring his face so she couldn't recognize him he quickly left. Later as police investigate Barry noted that he could find no bomb casing to Joe. Searching through the files using his powers Barry found some information that pertained to the incident. Back at the police station Barry was told by Joe to give the military everything they had on the case. Barry handed the files over but using his speed managed to snatch one file from them. Joe told him to consult with the crew at S.T.A.R labs. At the lab Barry told them of what happened. Wells was familiar with the general leading the investigation, Wade Eiling. Wells explained that he worked with Wade to develop gene therapies for soldiers while Wells was concerned for it benefiting civilians only for him to severe their partnership when he found out Eilings plans for developing mind reading abilities for interrogation purposes. Cisco went through the army's digital records where they discovered the culprit was a woman named Bette Sans Souci a bomb specialist for the army. Barry found Bette at her last known address however when tried to take her in contact with her caused his clothes to begin to detonate Bette told Barry to get out of his clothes before they exploded which he did just barley escaping the blast. Back at Star labs Barry told a distraught Cisco about the suit and revealed to the others she was a meta-human. Joe came him and asked Barry why he didn't tell him Iris saw him the other night. Barry told him she caught him off guard so Joe told him to tell Iris to stop blogging about him. Barry begged Iris to stop but she refused claiming that he himself wanted to know to find out about the impossible since they were young Barry noted that she wasn't even putting her name on it, Iris told Barry to talk to her when he told her the truth of why he was being so skeptical. Cisco and Catilin called and told him that Bette was spotted at the location of the surgeon who experimented on her. Barry arrived just in time to save Bette from being captured. Back at Star Labs the others told Bette of how the Particle Accelerator explosion and how it changed her.As they examined her Caitilin discovered a tracked inside her graze wound when the army attacked her, leading Wade right to Star Labs. The others quickly got her got her out while Wells stalled Wade. Outside while testing her abilities Bette asked Barry if the others had tried to help him find a cure. Barry told her how a friend once told him that the bolt struck him for a reason and now because of it he can help people. Joe called and told Barry that Iris put her name on her blog. Barry confronted her as the Flash and told her to stop writing about him. Iris revealed that to him that she was writing to help Barry prove that the impossible does exist. Barry arrived at Star Labs where the others revealed to him and Bette that curing her was at the moment impossible. Barry suggested that they join her but the others pointed out that Bette's powers were to destructive and could put them all in danger despite Barry pointing out she was the first meta-human they encountered who was not a criminal or a person to use their powers to hurt others. Back at his lab in the police station Barry met up with Joe. He told him that by visiting Iris as the Flash he found out that Iris was only writing about him to help. Barry pointed out that the only way to get Iris to stop was to tell her the truth claiming he told her everything only for Joe to reveal he been knew Barry had feelings for Iris since he was a child and noted that Barry has not told Iris his feelings about her. Barry claimed it didn't matter since she was already dating Eddie but Joe told him that went fate wants something to happen whether it be him getting hit by the bolt that gave him his powers or getting two people to fall in love it works things out. Back at Star Labs the others told Barry Bette had left without saying where she was going. When they finally found her about engage Eiling and his men Barry rushed to her location before she could kill him. As Barry talked her out of killing Eiling the general shot her killing her. As her body began to detonate the others told Barry to get her remains out of the city. Barry asked them how fast he would have to go to run on water. The team guessed about 650 miles per hour but told him he must escape the blast once he dropped her. Barry did and just barley managed to outrun the shock wave. Later as Eiling covered up the incident Barry expressed disappointment, as Eiling had killed Bette in cold blood right in front of him and yet they could do nothing to him. Caitlin tried to comfort him telling him that running on water put him in interesting "company". Back at Joe's house Barry told Iris about his situation with Bette without telling her the specific details and asked her one more time to stop writing about the streak. Iris again refused forcing Barry to tell her that they should not talk to each other for a while.

Later Barry visited Iris once again as the Streak and tried to convince her to stop writing about him. However she ignored his request and instead tried to find out more about him. She then asked what she should call him with Barry claiming anything would be better than "the Streak". Their conversation was cut short when they heard sirens. Rushing to the crime Barry saved a kid who was about to get ran over by the culprit. Cutting the criminal off, Barry discovered he was a meta-human when the man rip the door off of the door of Humvee he had stolen and threw it at him. Barry dodged this and attacked the man, only for his skin to turn into a steel like substance which resulted in him injuring his hand and the man brutally back handing him. Beaten Barry escaped but not before the criminal told him that he was "born to take a beating" a phrase that seemed familiar to him. Rushing back to S.T.A.R Labs Barry passed out on the floor . Caitlin examined his injuries and told him he had various fractures, a concussion and a bruised spleen the injuries being so severe to the point that Caitlin told him even with his healing abilities it would take a couple hours for him to recover . Barry then told them about the meta-humans abilities. Barry then asked how he was gonna fight a man made of steel. Dr. Wells and the team assured that they would find a way. The next day Barry reported to the Central Police Department, where he confirmed with Joe that the metal man was indeed a meta-human. Joe told Barry that he was putting him and Eddie on the case so that Barry could explain to Eddie what he saw. Barry then went to see the Central City District Attorney. The DA identified the "man of steel" as Tony Woodward. Barry recognized the name. Woodward was a former classmate of Barry and Iris’, who bullied Barry throughout his childhood. After the meeting, Barry and Eddie ran into Iris. Eddie asks Barry what’s going on between Iris and him, not knowing that Barry was avoiding Iris but Barry told him everything was fine.
Cisco Ramon's Girder

The Girder dummy Cisco built for Barry to practice on in order to defeat Tony Woodward.

At S.T.A.R. Labs, Barry was introduced to a girder dummy built by Cisco so Barry can learn the right speed to take down Tony Woodward. Barry was easily defeated and dislocated his shoulder in the process. Shortly after, he was called by Eddie who had found the missing Humvee. Barry responded and as he arrived, Eddie recommended that he should get a car. Eddie then asked what's happening between him and Iris again where Barry revealed they had a fight. Barry and Eddie then headed to Rusty Iron Ale Brewing Co. after suspecting he had dropped by there due to the kegs in the trunk. After questioning a few men at the brewery, one man ran where Barry and Eddie chased him. Barry ran in front of the two, where the man punched Barry though it slowed him down enough for Eddie to take the man down. They then learn that Tony supposedly died in an accident though they revealed to the man that he lived. Barry visited Iris at Jitters again where he told her that Tony is an example of why she should stop blogging about him. As the cops arrived, Barry ran off to Tony's hideout. Barry was easily defeated by Tony and rendered unconscious. After he was brought back to S.T.A.R. Labs, he was yelled at by Harrison Wells who reminded him that they were still finding a way to stop him. Barry was then told that they had found a way to stop Tony and that is to hit him at 837 mph. At the precinct, Barry and Eddie discussed being victims of bullying as kids. While blowing off heat using a punching bag. They were soon told that Iris was missing where the two quickly rushed down. After learning a fire alarm went off at his old elementary school, he quickly realized that's where Tony and Iris were. Barry fought Tony but was once again defeated. Barry then ran away from the school, 5.3 miles exactly. Barry then ran back towards the school, breaking the sound barrier and knocked Tony down. Barry then greeted an incarcerated Tony, revealing his identity and told him that the particle accelerator made them who they truly were.
Barry Allen celebrates after locking up his child hood nemesis

Barry Allen celebrates after locking up his childhood nemesis.

After walking away from the makeshift prison, Barry celebrated as he had finally had his revenge on Tony. Barry then greeted Iris at Jitters and the two reconcile. When Iris told Barry more about "The Streak", she told him how he comes and goes in the blink of en eye where Barry interrupted her saying he does it in "A Flash".[3]

Barry went for an early morning coffee run at Jitters, though a trainee was working that morning. After a woman complained about it, Barry sped past and got everyone their coffee and left a large tip for the trainee. As he left Jitters, a man grabbed him and asked for his wallet. Barry laughed at the man, as he chose him out of everyone else in the city. Barry proceeded to take a majority of the mans clothes off and brought a police officer as he ran away. Barry later was called to a crime scene where a man was burned to death. Joe said Barry had to ID him though Eddie asked how Barry was going to do so with the mans face melted off. Barry then bragged about his "mad skills". Barry then brought the photo of the man to S.T.A.R. Labs, where they managed to ID the man as Casey Donahue. Shortly after, the mans ID was used at an electrical plant, which Barry quickly responded to. When Barry arrived, he encountered Farooq Gibran, a meta-human who has the ability to drain electricity. Barry made a few attempts to avoid his attacks though Barry was soon struck by Farooq. Barry later tried to run away, though to his surprise, he had last his super speed. At S.T.A.R. Labs, they had tested him on the treadmill, though to everyone's surprise, Barry ran slow for a normal person. Barry warned Barry about the meta-human who siphoned his abilities and killed the man. Barry later bumped into William Tockman at the precinct, who had complimented him for his watch. At S.T.A.R. Labs, they managed to identify the meta-human who shortly arrived at the lab, demanding to see Harrison Wells. Wells shortly told Barry that they could try jump starting him to regain his speed which Barry quickly agrees to. When Farooq broke into the lab, Barry tried to talk sense into him but Farooq only struck Barry. Cisco managed to close the doors to hold Farooq off for a short while. Barry and Caitlin then went to the treadmill to jump start his powers. When Cisco turned the power back on, Caitlin was hesitant to follow through as she was afraid he would die. Barry told Caitlin that if she doesn't follow through that they would all die. When Caitlin made an attempt to jump start Barry, though they would learn that it had failed. Barry and Caitlin then witness Tony get defeated by Farooq. Barry asked what he was doing outside of the prison where Tony reminded him he never steps away from a fight. Tony then told Barry and Caitlin to get out as Tony died. Barry was then furious at Harrison, who had used Tony to buy some time. They then noticed that Barry's cells were still regenerating though Barry still didn't have his speed. Cisco and Caitlin then believe he has yet to regain his speed is because it's mental and doesn't believe enough. When they made an attempt to escape the lab, they were attacked by Farooq. Harrison then finally faced Farooq.

Barry Allen connects to his powers and defeats Blackout

Barry connects to his powers, enabling him to defeat Farooq

When Farooq attacked Harrison, Barry finally believed enough to regain his speed and save Harrison. Barry faced Farooq once more but this time he has connected to his powers and the energy overwhelmed Farooq, killing him. Barry then rushed to the precinct, worrying that something had happened to Iris. He was relieved when he saw her safe in Joe's arms. After they locked up Farooq's body, Caitlin noticed that Barry's cells were regenerating faster than before. Barry payed Eddie a visit at the hospital. After Iris left to grab a coffee, Barry briefly left and had a conversation with Iris as The Flash. Barry then told Iris he would never be late again and that Iris is worth being on time for. Barry then ran off and returned to Eddie's hospital room.[23]

Barry arrived at a bank that Roy Bivolo was robbing, only to find everyone attacking each other. Barry managed to save a man from being shot as everyone began to stop attacking. When Joe and a few other police arrive at the scene, Barry suggested to Joe that the people were "whammied". At the precinct, Barry learned that Eddie finally believed The Flash's existence though he learned Eddie believes he's a menace. Barry proceeded to steal Captain Singh's lunch as he went to S.T.A.R. Labs to discuss the new meta-human. Shortly after, Iris called him out through her blog. Before Barry left, Caitlin told him not to get involved in Iris and Eddie's relationship as he would be responsible for their breakup. When Barry arrived at Jitters, he told Iris his name was Ralph. Barry was warned by Iris that Eddie was pushing to get him behind bars. Barry managed to get to the storage facility Roy was hiding at before Joe and two other police officers could be killed. Barry was then greeted by Oliver, who had arrived in time to injure a "whammied" police officer. Barry then raced to the barn Oliver, Felicity, and Diggle were hiding at. When he arrived, he bragged how he gave Oliver a half an hour head start, yet still beat him. Barry asked the three what they were doing in Central City where he learned they were investigating a homicide which possibly connected to Central City, due to the material of the boomerang used to kill. Barry suggested that the two teams should work together, though Oliver refused as he didn't want anymore people in on his secret. Barry then carried Felicity and took her to S.T.A.R. Labs as she volunteered to go help. Barry was later told by Harrison and Joe not to trust Oliver as they feared he was to dangerous. The following day, Barry met up with Barry and Felicity at CC Jitters, where Barry learned that Oliver had helped get the name of the meta-human. Barry was then asked by Iris how he knew Oliver Queen. She then sarcastically said that Oliver's arms were twice the size of his and told him that Oliver was on her top 3 cheat list. Barry was then glad when Oliver decided to work along with him. The following day, Barry arrived late for the training, despite his speed. Barry was told by Oliver that he always ran in blind and he has a lot to learn. Barry was told to run a distance and run back where he'd get shot by an arrow where Barry told Oliver he wasn't going to be shot. Barry proved him wrong by catching the arrow though he was struck in the back by 2 bolts which Oliver had set up. At the precinct, Barry was told once again not to trust The Arrow, though Barry defended him, saying he's the reason they had Bivolo's name. Barry then decided to cut off the partnership and go after Roy himself. Barry was whammied by Roy but he believed there was no effect on him. Barry proceeded to bring up Ronnie in front of Caitlin. He later met up with Oliver where he told him that he believed Oliver was jealous of him. At the precinct, Barry lashed out at Captain Singh. Later on, Barry attacked Eddie and threw him out of Iris' car. As he was about to beat Eddie, Barry was hit by a trick Arrow from Oliver. Barry then pulled the rope from the arrow and dragged Oliver down an alley. When Oliver fired two arrows, Barry dodged them, believing Oliver had missed, though he failed to realize there was an electricity box behind him. Oliver then injected Barry with two thousand milligrams of horse tranquilizer, though his metabolism burned it all off. Barry then ran circles around Oliver and as Oliver used one of his arrows to get on the roof, Barry reached the roof first and knocked Oliver down. Barry then dodged a few hits from Oliver before punching him several times. Barry then caught two arrows which Oliver had set up to his motorbike. Barry was then shot in the leg with a flechette and then held by Oliver as Joe and Harrison arrived to reverse the effects from Bivolo. Barry and Oliver went on to take down Bivolo and look him in the prison in S.T.A.R. Labs. The following day at Jitters, Barry apologized to Oliver for his actions and his words, but was then told by Oliver that guys like them can never get the girl because of what they do. Barry visited Iris at Jitters though he learned Captain Singh has called the task force to bring him in. Iris proceeded to tell him she doesn't want to see him again after what he did to Eddie. Barry then ran off into the night.[24]

The Flash intercepting two boomerangs from striking the Arrow

The Flash intercepting two boomerangs from striking the Arrow.

Barry arrived in time to intercept two boomerangs from striking Oliver. Barry ran to the arrow-cave and performed the salmon ladder in super speed in front of Caitlin and Felicity. Barry then stated the salmon ladder made him hungry for sushi, which he quickly grabbed before rushing back. When Barry returned to the arrowcave, he had blown his identity to Lyla Michaels, to who he thought was Diggle's wife. Barry offered to help with the case, though Oliver told him that things are a lot different. Barry told Oliver that he had begun to approach cases more carefully rather than just running into them. Oliver then accepted his help and told Barry they needed to reassemble the boomerangs to which Barry did swiftly. Barry and Oliver visited Quentin Lance where Quentin had forgotten has name and believed it to be "Bart." Quentin also believed that Barry was hit by a bus, rather than lightning, though Barry corrected Quentin. Barry asked Quentin about Klaus Markos where he learned enough information to track Klaus down. Barry was later surprised that Oliver was part of the Bratva, where Oliver told him that he's no longer a member. At the Bratva's hideout, Barry managed to subdue the members before Oliver arrived. After Oliver tortured Klaus, Barry brought Klaus to the Starling City Police Department and cuffed him to a drawer. When Barry returned, he admitted that he should have listened to Harrison Wells and Joe West. When Oliver told him that Starling City isn't always sunny and that he had friends and family murdered, Barry interrupted Oliver, saying he watched his mother get murdered also. Barry then told Oliver that he doesn't use his own personal tragedies to torture whoever pissed him off. When they believed they had tracked Digger Harkness, Barry and Oliver arrived at the warehouse, though they realized that they were played. When they returned, they found Lyla in critical condition where Barry rushed her to Starling General Hospital. After Oliver blamed himself, Barry reassured him it wasn't his fault. When Oliver told Barry that everything he had been through taken away his humanity, Barry told him his humanity is what got him through everything. Barry and Oliver arrived later arrived a the train station where they had tracked Digger. Digger told them that they can stop him, or 5 bombs from detonating. Barry left to defuse the bombs while Oliver dealt with Digger. When Barry arrived at the first bomb, the team quickly realized that the bombs are linked and if one is defused, the remaining will detonate. Cisco told Barry that he needed to cut all 5 wires at the same time though Barry reminded him he wasn't Multiplex. Barry then quickly grabbed Felicity, Caitlin, Roy, and Cisco to the other four bombs where the five of them managed to cut the wires simultaneously and stop the bombs from detonating. At the arrow-cave, Barry was surprised when he had a mannequin set up for a future team-up. When Oliver said he will still be calling the shots, Barry told him that they'll see about it. Barry and Oliver then went to a warehouse to settle once and for all, who would win in a fight. Before the dueled, Barry told Oliver that he could still inspire people, but as Oliver Queen. Barry managed to catch two arrows from Oliver before charging towards him and dodging multiple arrows.[25]

Barry Allen faces The Man in Yellow

Barry vs. Reverse-Flash

Barry visited the West household for Christmas. When he set up the Christmas tree using his speed, he was told to remove what he had added as the only red suited man Joe wanted to see in the house was Kris Kringle. Iris shortly arrived with egg nog using her grandmothers famous recipe. Barry and Iris shortly exchange gifts where he gave Iris a replica of her mothers wedding band. Iris gave Barry a microscope which she thought was lame but Barry claimed he loved it. They were shortly interrupted by Eddie who joined them for tree trimming. Barry went to S.T.A.R. Labs where he brought the team gifts as well as Grandma Esther's eggnog. After an attack at Mercury Labs they discover that a speedster had attacked a few guards in search of a machine. Barry quickly wanted to go after him but was told by Joe that the speedster took all the evidence and threatened to kill Iris. At the precinct, Barry had memories of the night as he looked upon his bulletin board. He was visited by Iris who had been calling his name multiple times. Iris told Barry that Eddie had asked her to move in and she said yes. She then asked if Barry had feelings for her as Eddie was under the influence that he liked her. Barry quickly denied the suggestion. As Iris left, Barry saw the man in yellow just across from the precinct. Barry chased after the man and demanded to know why he killed his mother. The two race down towards a stadium where they battled though the man in yellow quickly defeated Barry. The man told Barry that they were going at it for years and that it's destiny for Barry to lose to him. The following day, Barry told the team about what had happened. After Barry believed he couldn't catch him, Wells reminded that force fields are impervious to speed. Barry and Joe are visited by Tina McGee at the precinct who brought an unsigned warrant. Barry blackmailed Tina into giving them the tachyon prototype within the hour. Barry was then told by Barry that it's best for him to stay away while they capture the man in yellow. Barry argued that it's his fight though they still shut him down. Barry visited his father and told him that he had found the man who murdered Nora. When he apologized for failing to catch the man, his father reassured him that it wasn't his fault. Barry was then told to stop pursuing that man as everything that happened to Barry was influenced by the murder. His father noted that he had given up the chance to be with Iris because he was too consumed with what happened. His father then told Barry to not let the man take anymore from him. Barry then went to visit Iris and confess his feelings, leaving Iris in tears. Barry received a text from Caitlin asking him to save them. When Barry arrived, he attacked the man in yellow though was quickly defeated again. Barry is then saved by Ronnie who quickly fled shortly after. Back at the precinct, Barry and Joe recount the early days of Barry moving in. Joe claimed that Barry changed the atmosphere of the house and asked Barry to move back in. They then return to Joe's home for a Christmas gathering where he gave his best wishes to Eddie and Iris.[26]

Heat Wave and Captain Cold fight The Flash

Heat Wave, Captain Cold and The Flash face off in public.

Upset he couldn't stop the Reverse-Flash in their last encounter, Barry trained harder. He had Cisco use a drone to fire ammunition at him, all of which he evaded. He then had Cisco fire a missile, which Barry successfully grabbed and threw towards the drone. Shortly after Snart re-emerged, Barry quickly realized Snart was setting a trap for The Flash. Barry vowed to take Snart down but Wells told Barry to set his priorities straight and focus on taking the Reverse Flash down. Barry went to Joe and told him he was going to focus on the Reverse-Flash and left Snart to Wells and Cisco, much to Joe's dismay. At S.T.A.R.L.A.B.S., after Caitlin brought up how Ronnie brought her scuba diving, Barry realized Firestorm wasn't a word but indeed an acronym. After Leonard Snart and Mick Rory steal the Fire & Ice painting from the Ratahway's, many of the CCPD were injured and Barry admitted to Joe he should've listened and focused on the current situation. Wells apologized to Barry for pushing him to focus on the Reverse-Flash but Barry told Wells he made the decision on his own. After Snart and Rory made their public address to the Flash, Barry goes after them, making himself public for the first time. Though Snart and Rory get the upper hand at first, Barry realized in order to cancel the two's weapons out, he had to move slower. When Leonard told Barry he won this time, Barry responded that there won't be a next time. The following day, after Iris had moved out, Barry moved back in with Joe.[27]

With the assistance of his team, Barry took down the Royal Flush Gang with ease. When he returned to S.T.A.R. Labs, the team took a group photo. After Wells was attacked by Hartley Rathaway, Barry went over to his mansion. When he noticed the shatter of the glass, he realized it couldn't have been a teenage prank. At his lab at CCPD, Barry demonstrated how Hartley likely used some sonic technology when he attacked Wells. After Eddie reported an attack on Rathaway Industries, Caitlin called Barry but Barry told Caitlin he already knew why she was calling. Barry quickly took down Rathaway, who told Barry he can hear Cisco, Caitlin, and Wells through the radio waves. After Wells admitted he knew the chance of failure of the particle accelerator, Barry told Wells he owed Caitlin and Cisco more than an apology, as they stuck around when everyone abandoned him. Later that night, Barry and Iris had a coffee at Jitters discussing how people they admire aren't who they seem to be. When Hartley broke out of the prison, Barry rushed to S.T.A.R. Labs though Hartley had left by then. When Hartley attacked the Keystone Cleveland Dam, Barry rushed over and arrived in time to save a woman who Hartley threw off. Hartley used the data on Barry's molecular scans to stop Barry once he was disarmed. Hartley was then stopped after the team hacked into the frequencies after the cars at the dam to send out waves powerful enough to stop Hartley. When Wells told Barry he wished to regain the trust of the team one day, Barry told him he already had.[28]

Barry saved a couple from a burning car, Cisco told Barry he couldn't be mad for dirtying his suit, to which Barry asked when he could start calling it "his" suit. While Barry was investigating Clay Parker, he was greeted by his father. When Barry brought the DNA samples to S.T.A.R. Labs, they realized Shawna Baez was also involved. Barry and Caitlin discuss how they both don't have much of a social life where they were interrupted with a sighting of Shawna Baez and Clay Parker. Barry rushed to the scene and was shocked when he learned Shawna can teleport. He was shot at in the neck by Clay Parker but managed to stop the bullet, though the two escaped. Barry stopped by to help Iris with a report, though she already had plans with Eddie. Barry then decided to drop by a south-side dive bar with Caitlin to check if Shawna and Clay returned to old habits. After Caitlin had a few drinks, she walked up to the stage drunk and called Barry out to join her. The two then sang "Summer Nights" where Caitlin was shocked Barry could sing well. After their duet, Barry was greeted by Linda Park, who offered him her phone number. Barry then took Caitlin back to her apartment and put her to bed. The following day, Barry teased at Caitlin for what happened the night before. Barry was called and told that his father was beaten by Julius. Barry asked who attacked him and went after Julius. Barry broke Julius out and told him he wouldn't return him to prison, causing him to face more time if he didn't give him Clay and Shawna's next heist. After Barry was told they were in St. Louis, Barry decided to leave Julius out for beating his father. While chasing Clay and Shawna, Barry busts out all the lights in the tunnel they were in, disabling Shawna's teleportation abilities and locking her in a one way glass. Later, Barry decided to call Linda Park and asked her to go on a date. Barry gave Iris information on Clay Parker to use for a report for the Central City Picture News. He then picked Linda up and the two go for a date. That night, Barry went back to Iron Heights to check on his dad. When Henry began putting the pieces together that Barry was the Flash, Barry claimed he would've told his dad if he was the Flash. Barry was then told that the world is dangerous and told to be careful and that his father was proud of him for saving many lives.[29]

Barry took Linda on a dinner date at a Mexican restaurant. While Linda went to wash her hands, Barry was notified of a robbery at a convenient store and quickly settled the robbery. The following day, Barry had another date with Linda but had to end the date early after Wells and Caitlin spotted Firestorm. Barry tried to stop Firestorm and told him they could help but Firestorm attacked Barry and flew off. Barry and Caitlin then tried a different approach, bring Martin Stein's wife along this time, which Martin finally agreed to get help. Linda called Barry to break up with him as she felt he didn't care enough in the relationship as he often ran off and made excuses. Linda told Barry that it's hard to date someone new when you aren't over someone and understood. Barry went to ask Iris why she told Linda she had feelings for her still and told Iris he no longer had feelings for her. At S.T.A.R. Labs, the team learn that Ronnie and Martin could go nuclear and level the entire city, unless the host body was killed. Barry went to offer Ronnie/Martin some pleasantries though Ronnie told Barry he overheard the conversation. Barry went to Central City Picture News and told Linda he was going to eat a ghost pepper if she didn't agree on another date. Barry took a bite after she believed he was bluffing and Linda agreed to go on another date and offered him some milk. Barry returned to S.T.A.R. Labs and the team decide to use a quantum splicer on them two separate but learn Martin had left already. Barry and Caitlin rush over to Martin and the two told Martin that they have a way to separate them.
Barry Allen runs off with Caitlin Snow after Firestorm detonates

Barry Allen runs off with Caitlin Snow after Firestorm detonates

After the quantum splicer was placed, Firestorm began setting on fire, believing they had failed, Barry grabbed Caitlin and ran off to safety as an explosion set off.[12]

After they got to safety, Caitlin worried they were exposed to radiation, though Cisco informed them there were none. They went back and were pleased when they learned they successfully separated and took them back to S.T.A.R. Labs. Barry was contacted by Joe and was informed what he learned with Cisco the previous day. They brought the news to Wells who told them time travel is indeed possible. Barry then went to ask more about time travel with Martin Stein who suddenly had a panic attack when General Eiling attacked CC Jitters. Barry rushed over to stop Eiling but the latter used kinetic needles to stop Barry. They later learn that Martin and Ronnie are still connected. At his home, Barry asked how Joe knew who's blood sample to match and was told that Joe asked Cisco to match the sample with everyone who worked at S.T.A.R. Labs. Barry then told Joe to not worry as he was sure Wells had nothing to do with his mothers murder. After Martin was captured, the team track him down and Barry, along with Ronnie go to rescue Martin. Barry was hit with a weaponized phosphorous and began running in circles to burn it off. After Eiling had the upper hand, he prepared to kill Firestorm though Barry stopped Eiling in time and Barry returned to S.T.A.R. Labs with Firestorm. Later, Barry told Joe that when the time came, he wouldn't fail like he believed he had in the past and he would save his mother.[30]

After Barry loses a USB drive containing information on various crime scenes and searches for it at S.T.A.R. Labs with little success, but his attention was quickly diverted when Cisco told him of a possible metahuman, Mari McCabe whom Cisco nicknames “Vixen”. However Cisco also informs Barry that Mari was currently living in Detroit and not knowing what to expect Barry went to Oliver for help and the two headed to Detroit to confirm whether or not she is a threat. Flash and Arrow arrived at the house of Mari’s foster father Chuck but when she saw the vigilantes she immediately ran and they gave chase. Flash gave chase to Mari whose speed was just as fast as his and asked her to stop but she refused and displayed incredible strength caused Flash to fly back several blocks, but eventually resumed the chase with Arrow. Mari then displayed the ability to run up a building forcing Flash and Arrow to take the fight to the rooftops. Despite the combined efforts Mari continued to outrun Flash and dodge Arrow’s shots, even crushing his arrows with her bare hands. Mari also displayed the ability to camouflage but Arrow attempted to restrain her with a jettisoning arrow but she outran it, only to slip off the side of the building but then displayed the ability of flight which highly impressed Flash. As Mari attempted to fly away Arrow convinced her to come back as they just wanted to talk, though Flash wanted to handle the talking claiming to be better at it but Arrow simply reminded him he just puts metahumans in the pipeline. However Mari shot down Flash and Arrow’s claim that she was a metahuman claiming that she wasn’t in Central City when the particle accelerator exploded, which Felicity was able to confirm. Though Flash was unconvinced Arrow offered their help to Mari to understand what she can do but she turned them down as she was uninterested and warned them that if they ever showed up at Chuck’s house again, she’d kill them and flew off.[31]

Ignoring Mari's warning Flash and Arrow returned later to her house, where they discovered she'd become a vigilante herself, and Arrow questioned her intentions to take on Detroit's criminals without training. However Marri convinced them to let her try things her way for a while and Arrow agreed and wished her luck as Flash reminded her they could still help if she needed them to. After Mari asked if they had an idea of a name for her Flash told her that Cisco had been calling her Vixen, and he quickly tried to cover up mentioning Cisco causing Arrow to ask if Barry and Felicity were separated at birth. Arrow also learned that Flash kissed her causing him to speed off in worry.[32]

Barry took Linda bowling where they bumped into Iris and Eddie. The two join them but later, Eddie and Barry were called after a silent alarm went off at the Central City Morgue. Barry ran ahead and investigated the crime scene prior to returning as his CSI job and on his way, he noticed another Flash running beside him. After listening to a recording, they learned that it was Mark Mardon who attacked the Morgue. The following day, while Barry and Joe were discussing over a drive, they were attacked by Mark Mardon, though Barry got Joe to safety in time. Barry and Iris later went to CC Jitters where the latter told Barry that she suspects Wells had to do with Stagg's murder. Barry told Iris that Wells is a great man and she won't find such a story. Barry later told Cisco and Caitlin from what he heard from Iris but still denied the fact that Wells had involvement in Stagg's disappearance. After Mark attacked the precinct, Barry ran over in time to stop Mardon with the Wizard's Wand, though Mark escaped. The following day, Barry dropped by and conversed with Mason Bridge about Harrison Wells. Barry asked Mason what evidence he had on Wells and was told to read about it like everyone else. After Joe was kidnapped and held hostage by Mark Mardon, the latter called Iris to meet him at the waterfront. Barry went to help Iris. Linda stopped by the precinct to talk to Barry, though Barry told Linda there was something more important, though not what she thought was going on. At the waterfront, realizing the danger, Barry told Iris to get out and get to safety, though Iris confessed her love for Barry. The two share a kiss before Barry revealed his alter-ego to Iris. To stop Mark Mardon's wave from destroying the city, Barry ran back and fourth the seawall to create a barrier of wind and doing so, he accidentally traveled back in time as he watched his past self run towards the morgue.[33]

At the morgue, Barry was confused at what was going on, quickly solving everything. At S.T.A.R. Labs, Barry finished off everyone's sentences and Wells quickly realized that Barry had traveled back in time. Wells then warned Barry to not alter any events, big or small as it could cause a cataclysm. Ignoring Wells instructions, Barry tracked down Mark Mardon and brought him to the S.T.A.R. Labs particle accelerator prison. Wells told Barry that even though he may have saved many lives, time would find a way to repair itself. Barry ran as fast as he did previously in an attempt to go back once again, though to no success. At Central City Picture News, Linda told Barry that she knows he still had feelings for Iris and broke up with him, though wished him luck with Iris. Barry then told Mason he knew he suspected something wrong with Wells. Later that night, Barry and Cisco grab a drink but Barry ended up leaving Cisco with Lisa, unknown to him who she really is. The following day, Barry confessed his feelings to Iris, though to his surprise, she didn't feel the same way. After a report of Snart and the Santini crime family casino, Barry rushed over and held Lisa hostage. Snart told Barry to let her go as he told Barry he has Cisco hostage. After the two left, Barry returned to the labs as a CSI where he was punched by Eddie for trying to win Iris over earlier. The following day, Cisco showed up at S.T.A.R. Labs and quit, feeling guilt for revealing Barry's identity. Barry told Cisco that he shouldn't feel sorry but Cisco still felt the guilt. Barry and Caitlin later realize the casino wasn't the target but a way to trigger a money transfer. Barry chased after Leonard, Lisa, and Mick and captured Leonard. Barry told Leonard he could lock him up for good but Leonard told him then there would be no way of stopping his broadcast of him revealing Barry's identity. Barry told Leonard that if he was good as he claimed he is, he shouldn't need to kill. Barry then told Leonard if he hurt anyone close to him, he would go after him, no matter who Leonard told his secret to. At Jitters, Eddie apologized to Barry for hitting him and learned that Caitlin told Iris and Eddie about his "lightning psychosis". Barry later went to ask Wells about Stagg but before he could ask, he saw a report of Mason Bridge missing. He later called Joe and admitted that he was right about Wells.[34]

Discovering Wells' true identity and taking down the Reverse-Flash

Barry and Joe discuss over Wells and while Barry believed he could be the Reverse-Flash, Joe told Barry that the blood at the house didn't match his. Barry then rushed over to a terrorist attack by Axel Walker, who claimed himself as the Trickster. They learn that Axel is a copy cat of James Jesse, who had killed 10 civilians and 2 cops prior and now facing life sentences at Iron Heights. Barry and Joe head over to Iron Heights where James Jesse told them Axel likely found his lair. On their way out, Barry stopped by his fathers cell and told him he has gotten closer than he had before in investigating his mothers mother. Iris later called The Flash to ask for help for the investigation on Mason Bridge's disappearance. Axel then made an address that he had planted a bomb somewhere in Central City. When Barry couldn't find the bomb, Wells told him it was a trick but Barry refused to listen. As Barry kept looking, Wells theory was indeed correct as Axel broke James Jesse out and took Henry Allen hostage. Upset his father is held hostage and possibly killed, Joe was comforted by Barry and while the latter no longer trusted Wells, Joe told Barry it didn't matter why Wells was helping and the only thing that mattered was that he did. After they tracked down the Tricksters, Barry ran over but Axel planted a kinetic bomb so if Barry didn't run over 600 mph, the bomb would go off. Barry was told by Wells to phase through a wall but Barry refused to listen. Wells told Barry to feel the power and electricity and that he was now part of a speed force. Barry ran through a truck, getting the kinetic bomb off and returned to City Hall to give everyone an antidote. Barry then went to rescue his father before knives could drop on him. Barry then confirmed his fathers prediction that he is indeed The Flash. At S.T.A.R. Labs, Henry thanked Wells for taking care of Barry, though Barry didn't seem to happy. The two share a hug before Henry was brought back to Iron Heights. At the precinct, Barry revealed his identity to Eddie and told Eddie to get Iris to stop looking in on Mason Bridge. Barry then described Wells' speech and deduced that he is indeed the Reverse-Flash.[35]

Barry, Eddie, and Joe quickly took down a group of robbers and apprehended them. The following day, they went to Hudson University where Lindsay Kang was stung to death. Barry brought a sample back to S.T.A.R. Labs and they were soon joined by Felicity and Ray Palmer, though Barry told Felicity it wasn't the best time for a visit. At Jitters, Barry and Felicity were interrupted by Eddie and the three ended up making dinner plans between Eddie, Felicity, Barry, Ray, and Iris. Soon after, Bill Carlisle was attacked at Folston Tech but Barry was too late by the time he got there. He was then attacked by Brie Larvan's bee's and went unconscious. With a defibrillator Cisco built in, the team regained Barry's consciousness. Later that night at the dinner, Barry informed Felicity who Wells really is after Ray discussed how Wells was his personal hero. After things at dinner went downhill with Eddie and Iris, Barry was called back to S.T.A.R. Labs where they learned the bee's were all robotic. At Jitters, Felicity told Barry to inform Caitlin and Cisco about Wells, though Barry told Felicity it could backfire. Barry later told Iris to trust Eddie and that Eddie only wants to keep her in the light. The team later learned Brie went to her next target, Tina McGee and Barry went to Brie's hideout while Ray went to save Tina. Brie sent bee's to attack Barry but Felicity hacked into the software and shut the bee's down and restrained Brie. Barry rushed over to Cisco after he was stung by a bee and vibrated his hand to use as a defibrillator.
Information about "Harrison Wells" Barry gathered

Information about "Harrison Wells" Barry gathered, later shown to Joe and the team.

After Tina thanked Barry for the help, Barry asked what happened between her and Wells and learned one day Wells became a completely different person. Barry later called Caitlin and Cisco over and told them about why he and Joe had learned about Wells. When Caitlin was hesitant to believe them, Cisco told them he has had dreams of Wells murdering him.[36]

Barry ran over to Coast City and returned to Central City with pizza from the former. At Joe's house, they inform the rest of the team that Joe and Cisco are headed to Starling City to investigate Wells. Later, Eddie called Barry when there was a report of a male who was trying to sell jewelry which was stolen the night before. Barry rushed over but learned the man was a shape-shifting meta-human. When the team feared the meta-human could copy Barry's powers, they told him to keep hid hands off him. When Caitlin went to Wells' mansion, Barry rushed over and took her away and told her not to tell Wells anything. Eddie and Barry went to contact Mrs. Bates though soon realize it was actually Hannibal Bates. After Hannibal framed Eddie, Barry ran Eddie out of the precinct and told him S.T.A.R. Labs could keep him off the grid until they cleared his name but Eddie told him to do it the right way and Barry returned him to the precinct. Barry later got a visit from Eddie and was told Captain Singh called in a favor. As Barry turned his back, Eddie, who actually was Hannibal, hit Barry and hid him. Barry was later found by Caitlin and they return to S.T.A.R. Labs. Caitlin presented Barry with a serum which could disable his shape-shifting abilities. They then got a ping from Barry's phone at the airport and Barry ran over. Barry quickly spotted Hannibal and the two quickly fought before Hannibal was shot with the serum. Barry later gave DA Cecil a full list of everyone Hannibal had impersonated. Later, Joe and Cisco presented Barry and Caitlin with the real Harrison Wells. While Cisco was looking through the schematics of S.T.A.R. Labs, they spotted a hidden room. As they entered the room, they saw the Reverse-Flash suit as well as an article from 2024 reporting the disappearance of The Flash.[37]

Barry, Caitlin, and Cisco were greeted by Gideon who told Barry of his future. When they learn Wells was on his way, they quickly left. The team then help Cisco see his "dream" properly by constructing glasses that allowed lucid dreaming. At the precinct, Eddie asked Barry to ask Joe why he did not give his blessing for his proposal to Iris. Later, while Cisco was in his lucid dream, the team learned Wells' true identity, Eobard Thawne, who called them shortly after Cisco woke up. Eobard told him of a fire that just broke out and Barry rushed over. When Barry was unsure what to do, Eobard guided him to use his arms like a vacuum by rotating them fast enough. Later, Eobard told Barry that the only thing stopping him from achieving his goals, 9s himself. Barry later told Joe that they need to recreate the events that happened in Cisco's dream. At S.T.A.R. Labs, Cisco had rigged the force field so instead of keeping a speedster in, it kept them out, which Barry had tested. Later, when Eobard returned from his lecture, Eobard managed to enter the forcefield. As he prepared to kill Cisco, Joe fired three bullets at him, though Barry stopped most of them. The final one Barry was unable to reach and Eobard was shot and killed. Barry was upset that Eobard would never be able to confess however, it turned out to be Hannibal Bates. They were then reminded by Eobard that he was always one step ahead. Barry told Eobard he could kill him if he'd just let his father out but Eobard told Barry he needed Barry alive. Cisco got a ping from Eobard's time vault and Barry ran over. Barry learned Eobard had camera's everywhere and had access to CCTV footage. Barry warned the team before running over to save Eddie and Iris. Eobard captured Eddie as Barry arrived. Barry told Iris everything was going to be ok and swore that he would bring Eddie home. As he ran off, Barry sent a static shock, much like he had when he was in a coma as Iris realized who The Flash really is.[5]

Barry looked everywhere for Eddie but to no success. When Captain Singh asked where Eddie was, Barry and Joe told Eddie was taking personal time off. When the gold reserve was being attacked by Grodd, who had controlled Eiling, Barry ran over but was quickly stopped as Grodd "whammied" both Eiling and Barry. Back at S.T.A.R. Labs, the team was greeted by Iris, much to the teams shock. Barry explained to Iris that there had been many times he wanted to tell Iris his secret but learned that Joe was right. Barry and the CCPD later set a trap and capture Eiling. They locked him in the meta-human prison and learn he was controlled by Grodd. With the help of Iris, they learn of sewer workers going missing and Barry, Joe, and Cisco headed down to look for Grodd. Barry was whammied and knocked unconscious and Joe was kidnapped by Grodd. Later, Barry had Cisco build a tech so Grodd couldn't get into his head again. When Iris told Barry that he had been lying to her on the things that mattered most, Barry told Iris she had been lying about her feelings for him also. Barry cut himself off when he realized he couldn't have told Iris about the other timeline. Barry went 5.3 miles away from Grodd and ran toward him in an attempt for a super-sonic punch, though he had failed as Grodd cut his distance down. Grodd threw Barry on a train track and as Barry's tech broke, Grodd had gotten into Barry's mind once again. As a train went toward Barry, Iris told Barry that he could defeat Grodd and save Joe. Inspired by Iris' words, Barry got out of the tracks on time and as the train passed, challenged Grodd. As Grodd jumped toward him, Barry got out of the way and another train passed and hit Grodd. Barry saved Joe and freed Eiling from the meta-human prison. Barry later told Iris that it's the thought of her that always kept him going. Iris then told Barry that she did have feelings for Barry but Eddie is her boyfriend and missing. Barry then told Iris that he would do the best he could to bring him back.[38]

After continuously searching, Barry told Iris he has yet to still find Eddie but promised he was trying his best. Barry was then called by Cisco who had learned Eobard had been using his wheelchair to absorb Barry's speed. When they learned the particle accelerator was turned on, they realize the reason they couldn't find Eddie and Eobard was because Eobard was holding Eddie hostage at S.T.A.R. Labs. When they opened the particle accelerator, Eobard escaped and Barry chased after him, though Eobard had gotten away. Later Barry apologized to Eddie for not finding him sooner. Barry said they needed to get the meta-humans out as though they are dangerous, they don't deserve to die. Barry suggested they transfer them to the supermax on Lian Yu. Desperate, Barry looked to Leonard Snart to help transfer the meta-humans, under one condition, Barry erase all criminal records of him, though Joe was very disappointed Barry looked to such lengths. They had the meta-humans placed in a truck owned by Cisco's family and used the device from Eobard's wheelchair to disable the meta-humans powers temporarily. Once they reached the hangar, the meta-humans had escaped and began attacking Barry, Cisco, Caitlin, and Joe. They then learned it was Leonard who had sabotaged the truck and let the meta-humans escape. Leonard told Barry he had done so as they all now owe him and could be useful as a part of his Rogues Gallery. When Barry asked why he had spared him, Leonard told him he now owes him as well. At S.T.A.R. Labs, Barry felt guilt having his plan failed and wondered how Oliver could do whatever it took to get what he needed. The particle accelerator then was fully charged and online. Eobard approached S.T.A.R. Labs and Barry ran out to face him. Eobard told Barry he couldn't stop him if he had tried as Eobard was always faster. Barry was then joined by Firestorm and Oliver. Barry and Eobard faced off as Oliver tried to get a clear shot at Eobard. Barry was thrown towards a S.T.A.R. Labs sign and as Eobard used his hands as a vacuum to blow Firestorm away, Barry ran over to grab Firestorm. Barry ran back and stopped Eobard before he could kill Oliver. Barry and Eobard fought on the roof of S.T.A.R. Labs and Eobard was thrown off S.T.A.R. Labs by Firestorm.
The Flash, Firestorm, and The Arrow stand over a defeated Reverse-Flash

The Flash, Firestorm, and The Arrow stand over a defeated Reverse-Flash.

Eobard was then shot by Oliver with another nanite arrow, disabling Eobards speed and making him unconscious. Barry thanked Oliver and Firestorm for their help and looked over Eobard, finally taking down the man who murdered his mother.[39]

Barry ran off to Nanda Parbat and freed Oliver's friends. When Felicity asked to help save Starling City, Barry said he had a long overdue conversation with Eobard.[40]

Barry says a heartfelt goodbye to his dying mother

Barry says a heartfelt goodbye to his dying mother.

Barry asked why Eobard he murdered his mother, Eobard told him he hates him for something future Barry had done. Eobard then told both of them could get what they want, Barry return to save his mother which would allow Eobard to return to his time. Barry presented this information to the team who all agreed he should do so. Barry asked Joe why he was so supportive and Joe told him though he had been a great son, he wants Barry growing up with his mother and his real father. Barry told his father he could save his mother but Henry told him it was to dangerous due to the repercussions of time travel. Iris told Barry she knew of a possible future of them being married in the future and joked she was never a fan of hyphenated names. Eobard explained how Barry was going to go back to the night his mother was murdered, he warned Barry that he could die if he didn't reach the right velocity. Later, Barry was informed that as well as dying, Barry could cause a singularity which could destroy earth and continue even after the earth is gone. Barry along with the rest of the team attended Ronnie and Caitlin's wedding before Barry prepared to save his mother. Barry said his goodbye's to his friends and foster family. Barry was then told he had 1:52 seconds otherwise a singularity would form. Eobard told Barry he holds both of their futures and then told him to run. As Barry ran, he saw the past, present, and future before travelling back to the night his mother was murdered. When Barry arrived to the night, Barry looked on as his future self battled Eobard. His future self then signaled him to stay back and Barry looked away as his future self rescued his younger self and Eobard murdered his mother. When Eobard had left, he went and told his mother that he and his father turned out to be ok. His mother looked at him, proud of her son, and Barry tells her goodbye, before she dies in front of him, her last words being "Goodbye, Barry."

Barry jumps through the wormhole to save Central City

Barry jumps through the wormhole to save Central City.

Barry returned and broke Eobard's time machine. Eobard asked why he didn't save his mother and have everything he had wanted and Barry told Eobard he already has. Barry and Eobard battled though Eobard quickly has the upper hand. When Eobard told he was going to kill as his friends and family, Eddie shot himself and Eobard fell back. Cisco quickly realized that Eobard was being erased from existence and before Eobard vanished, Eobard told Barry he controlled his life all his life and wondered how he would go on without him. A singularity formed in the particle accelerator and the team rushed out. As they watched the singularity eat Central City, Barry told the team he had to try and stop it, even with little chance of success. Barry ran through Central City and jumped towards the singularity.[6] As he stabilized the singularity, Firestorm flew toward the singularity and Barry watched as the two separate, causing the singularity to close. As Martin Stein plummeted to the ground, Barry caught him. When Caitlin arrived at their location and learned Ronnie didn't make it, Barry hugged Caitlin and looked toward the sky. For the next six months, Barry lived in solitude, blaming the deaths of Eddie and Ronnie on himself.[1]

Battle against Zoom

Barry shows up to Flash Day

A Flash Day is held in commemoration of the city's apparent savior.

Eobard Thawne, as Harrison Wells left S.T.A.R. Labs to Barry in his will, yet six months after the issue with the singularity, Barry had still not dealt with the mail he'd been getting regarding the property.[1]

Barry investigated the crime scene involving the death of Al Rothstein. Barry identified that Rothstein was strangled by someone large, though assured Joe that it wasn't Grodd. That night, Barry cleaned up Jitters from the destruction caused by the singularity. Iris arrived and joked Barry should be a contractor, as she noticed night after night, buildings had been rebuilt. Barry told Iris he wasn't going to his rally, though Iris told him he should just go as the citizens of Central City deserve to see the man who saved the city. Barry then told Iris that he wasn't the man who saved the city. After Iris left, Barry remembered it was Firestorm who closed the singularity, causing the death of Ronnie Raymond. The following day during his rally, Barry decided to show and accept the key to the city, much to the cities joy. As the key was handed over, Atom-Smasher threw a grill toward the mayor, though Barry got the mayor away in time. After Atom-Smasher grew, the Flash picked up and threw two propane tanks for Joe to shoot. After the tanks exploded, Atom-Smasher shrank and his mask unfolded. Barry and Joe noticed that he resembled Al Rothstein and Atom-Smasher fled. Later at the precinct, Greg Turk from Weathersby & Stone LLP gave Eobard Thawne's last will on a USB, stating it was meant for only him to view. Barry then had an alert of unauthorized entry in S.T.A.R. Labs, only to learn it was his team in the building. Barry told his team he didn't want them there, though he was told by Joe that he needed his friends. After Atom-Smasher was tracker, Barry ran out with his Flash suit, leaving the communication system behind. After landing a few hits on Atom-Smasher, the latter grew and strangled Barry with ease. After Cisco caused a distraction setting off the alarms, Barry managed to escape and run back to S.T.A.R. Labs, though he passed on soon after. When he woke up, Joe told Barry that he can't blame himself on the death of Eddie and Ronnie and that it was on the entire team. Barry then went to Caitlin to apologize for not saving Ronnie, though Caitlin told Barry it was her fault as at one point, Ronnie asked her to get away from Central City, though she refused. Barry and Caitlin then watched Eobard's last will, where he confessed to murdering Nora.[1]

The Flash signaling light

The Flash using a signaling light with a Flash symbol to lure out Atom-Smasher.

Barry and Caitlin return to S.T.A.R. Labs and the former told the team he realized that the only way to stop Atom-Smasher was as a team. Barry attracted Atom-Smasher with a Flash signal. Barry had Atom-Smasher chase him to a local plant, where the former trapped the latter in an enclosed room, forcing Atom-Smasher to absorb more radiation than he could. Barry asked Atom-Smasher why he wanted to kill him and Atom-Smasher told Barry a man named Zoom would've brought him home if he killed him. Later, Barry then greeted his father at Iron Heights and brought him to Joe West's home, where Henry was greeted with a surprise party. Barry pulled his father aside to discuss future plans, though his father told him they can't live a life together as he didn't want to get in the way of his son being a hero.[1]

At S.T.A.R. Labs, Barry was told on the increased security, where they were interrupted by Jay Garrick who warned them on an oncoming danger.[1] Barry was told by Jay that when the singularity formed, it created a breach between both their worlds. Barry was then told by Jay that he was the Flash of his world. Jay told the team that he lost his powers and Barry quickly asked Jay how he lost them. Barry then told the team to do tests on Jay, warning the latter if he could have more enemies if they learn what he said was false.[4]

Barry later discussed with the team that nothing Jay said added up. Martin Stein then presented the team with the multiverse theory, telling them they need to find the breach and close it. Barry was later told by Caitlin that she ran a lie detector test while testing Jay and he passed it. Barry still reluctant to believe Jay, told Caitlin to continue running tests. Barry locked Jay in the meta-human prison and was told by the latter that he only wants to help, not harm. Barry was then told by Cisco about a fire and Barry ran off to extinguish the fire. Soon after he extinguished the fire, he was attacked by Eddie Slick. Barry went to tackle Eddie but Slick got away with his powers. The following day, Barry returned the scene as part of his job. Barry deduced that the fire was from an arsonist and was then greeted by Patty Spivot, who claimed to be a big fan of his due to his forensic reports. Patty told Barry she'd been trying to crack Joe's "no-code" and asked for any advice as she knew Barry grew up with Joe as his father. Barry told that it was unfortunate as he'd been trying to pick that since he was 11. Later, Barry told Patty he would try to put in a good word for her.

Barry hurls lightling toward Eddie Slick

Barry hurls lightning towards Sand Demon.

Joe told Barry that the Eddie Slick they have in custody is proven innocent. Joe asked if it was possible if the Slick that started the fire was from Earth-2. Despite evidence piecing together, Barry told the team he still refused to trust Jay. When Cisco said Jay was right about Zoom, Barry reminded Cisco that they don't even know anything about Zoom. After Barry told the team they need to be extra careful, Iris pulled him aside. Iris told Barry she knew he's only being extra-cautious was because of Eobard Thawne. Iris reminded Barry that not everyone is the same and he only was able to beat him because he trusted in others. After Eddie Slick took Patty Spivot hostage, Barry looked to Jay for help. Jay told the only way he could stop Slick was by hurling lightning at him, as lightning and sand creates glass. For an hour, Barry ran in circles and hurled lightning at a dummy, with Jay continuously telling him to go slower so he could direct the lightning accurately. Cisco and Martin Stein then reported the two on Slick's whereabouts. Barry then told Jay that they could distract Slick, with Jay, as Slick is unaware Jay lost his powers. The team return Jay Garrick's helmet and the two Flash's join hands before leaving to rescue Patty. While Jay distracted Slick, Barry saved Patty from a concussion bomb. When Slick grabbed Jay by the throat, Barry ran in circles around Slick and successfully hurled lightning toward Slick, turning him into glass and shattering. Later, Barry apologized to Jay for not trusting him because of a former mentor. Later, Martin Stein told the team that the most significant breach was in S.T.A.R. Labs but shortly after, Martin collapsed.[4]

While doing forensic work at the Central City Police Department, Barry was called by Iris, who was at Baldwin Tower investigating a real-estate scam. Barry told Iris to jump out the window as Barry ran over to catch her. As Barry got Iris to safety, Barry ran back to the tower and subdued the two men. At S.T.A.R. Labs, Barry and the team investigated the wormhole in the basement. Barry was told that they've tried sending objects in but they've all jumped back. Barry told the team Zoom may have been able to cross worlds due to him being a speedster and Barry man an attempt to cross the breach. Unfortunately, Barry bounced back like the objects. The team deduced there's a hallway between the portals which continulosuly moves, therefore they need to create a "Speed cannon". Martin then told the team that they should all rest for the day. The following day at the grand-reopening of CC Jitters, Barry was shocked when he learned a beverage was named after him. Barry ran into Patty and they briefly conversed. Lisa Snart then bumped into the team, asking Cisco for the Flash's help as her brother was kidnapped. At S.T.A.R. Labs, the Flash asked Lisa why they should trust her due to them previously double-crossing them. When Cisco tracked Snart, the Flash told Lisa that they would see if she was lying and ran off. When Barry arrived, he found Snart, though he seemed fine. When Barry told Snart that his sister thinks he's kidnapped, Snart froze him. Barry was then introduced to Snart's father, as the two left. Cisco then used the therma-threading he used on Barry's new suit to melt the ice. Barry returned to S.T.A.R. Labs and told Lisa that Leonard wasn't kidnapped and was doing work with their father. When the team asked why they should trust her for a final time, Lisa showed them a scar that was given to her by her father. Barry approached Leonard at a bar and asked why he was working with a man he despised. Barry was told things were complicated but Barry asked what was wrong so he could help. Barry told Snart that he may have a code of honor now but his father doesn't, leaving no choice but to stop the two. Snart reminded Barry that he could still reveal his secret and left Barry to pay for his bill. Later, Barry was told by Joe that lied about his wife as she never died. Barry assured Joe that it was for the best as Iris may have gone down the wrong path with Francine West, giving Leonard Snart as an example. Barry then told Joe that he should still tell Iris the truth. The following day, Barry, Joe, and Patty investigate a body that was decapitated. Patty asked if it could've been by a meta-human but Barry told her it wasn't. Barry then quickly discovered that Leonard is only working for his father as Lewis had planted thermites in Lisa. Barry contacted the team, who discover Lisa was indeed injected with thermites. When Barry and Caitlin search for the thermite with a magnet, Cisco told them to stop as the magnet cut set off the thermites. While Cisco told the team he would search for a way to extract the thermites, Barry told the team he should volunteer to replace Lewis Snart's new tech guy. Barry met with Leonard and told him of his plan. When their father arrived, Barry introduced himself as "Sam" and volunteered to join the team. To prove himself, Barry told Lewis that he helped his son steal the Khandaq Dynasty Diamond the previous year. Barry, Lewis, and Leonard arrive for a heist. When their ID's were failing, Barry told the security guards they should let them go before the managers start making complaints about the clogged toilers. When they arrived at the twenty-seventh floor, they find two security guards and Barry ran to subdue them as Leonard and Lewis argued. After Barry hacked into the security lock, Lewis fired a bullet at Barry, though Barry caught the bullet and faked being shot. Before Lewis and Leonard could get away, Barry intervened. Lewis told Leonard to fire his cold gun at him or Lisa dies. Barry told Lewis that the bomb was extracted by Lisa and Barry was then shocked when Leonard killed his father. As Leonard looked over his father, Barry took Leonard's cold gun, leaving him to be arrested. Barry payed a visit to Leonard at Iron Heights, telling him that he has good inside of him. As Barry left Iron Heights, he was told by Joe that the latter took his advice on told Iris of Francine. At Jitters, Barry ran into Patty yet again and was given her number. At S.T.A.R. Labs, the team learn Jay Garrick had completed the "speed cannon". Before he left, the team managed to convince him to stay until they defeat Zoom.[41]

Barry and the S.T.A.R. Labs team aided Martin Stein who had yet another reaction. After Cisco used the stabilizer Eobard used on his wheelchair, Barry was told the stabilizer would be transferred over to a power cane. Barry was then told by Caitlin that the latter found potential candidates that could be compatible with Stein. Barry then ran over to the two, quickly snatching blood samples from them for Caitlin to further examine if they are indeed compatible with Stein. Barry was later told by Patty Spivot of a “man-shark” sighting. When Patty asked if they could work on the case together, Barry told her he isn’t into meta-humans, though told her he would run tests on the shark tooth. Barry was then called back to S.T.A.R. Labs, where the debated with Caitlin who was more compatible for Stein. Barry pointed out Jefferson Jackson had the physical attributes and his alleles matched more than Henry Hewitt. Caitlin told Barry that Hewitt is a scientist and someone who was trying to make something for his life. Barry and Stein went to Jackson, telling him they’re an agency collecting data on everyone affected by the particle accelerator. They were told that he doesn’t like talking about the night as his life fell apart because of it. Barry gave him their number and asked him to think on it. When Barry and Stein returned to S.T.A.R. Labs, they found Hewitt. When Stein and Hewitt made an attempt to merge, they were unsuccessful. Jax later accepted his offer and arrived at S.T.A.R. Labs, where Barry revealed they couldn’t fix his knee. The team tell Jackson he could be a hero, though when they told him he’d need to merge with Stein, Jackson left. After Caitlin scolded Jackson for turning down being a hero, Barry told Caitlin that a decision like that can’t be made lightly. Later, Barry told Patty the “shark tooth” had human DNA. Barry was later told by Joe that he was aware of his feelings for Patty. Barry told Joe that she’s great but not Iris. After Henry Hewitt went on a rampage, the team found his police record. After Jax accepted his destiny as Firestorm, Barry, Stein and Jax left to face off Henry Hewitt. They managed to evade his attacks until he became unstable and blew his fuse. Barry and Firestorm then brought Hewitt to the pipeline. The following day, the team said their goodbyes to Stein and Jax as the two left for Pittsburgh. Later that night, Barry ran off and watched Patty from a distance. When he was caught off guard, the man-shark grabbed him and told him Zoom wanted him dead. As Patty walked out, she shot the man-shark several times and the man-shark dropped Barry. The man-shark was suddenly shot by a hooded man. Barry chased after the man, who unveiled his hood and Barry was shocked seeing the face of Harrison Wells.[42]

Barry brought Harrison Wells of Earth Two to S.T.A.R. Labs. Barry asked if he had any evidence if he was from Earth Two and Wells presented the team with Caitlin's bag which Martin Stein threw into the portal. Cisco asked if he could be trusted and Barry told him that Wells saved his life. Barry proceeded to ask why and Wells told him it was to help him stop Zoom. Joe arrived and fired multiple bullets at Wells, though Barry caught them all. Barry pulled Joe aside, telling him that was Wells from Earth Two and not Eobard Thawne. Joe asked how Barry could even look at him and Barry told Joe that he had to resist the urge to kill him. Later, Barry took Cisco to Jitters, though the latter expected alcohol rather than coffee. The two were interrupted by Patty, who told the two she was right about King Shark. Barry was asked if he could help Patty with a police report but told her he was busy. After Patty left, Cisco asked why Barry hadn't asked her out yet. Barry asked Cisco when was the last time Cisco asked a girl for their number. Cisco made an attempt to ask Kendra Saunders out but was shut down. Cisco then had a vision of Dr. Light robbing Central City Bank and immediately reported to Barry. Barry asked how Cisco knew but Cisco told him to just hurry. When Barry arrived, Dr. Light used a blast of energy to escape. Barry managed to get a few civilians to safety, though Dr. Light escaped. Back at S.T.A.R. Labs, Wells told Barry that she was a small time thief on Earth Two. He suggested they capture her and use her as bait against Zoom. Jay Garrick barged in and told him that Wells is insane. He told Barry that though Dr. Light is a thief, she isn't a killer and can be reasoned with. At the CCPD precinct, Barry asked Patty on a date, which she agreed on. Later, the team tracked down Dr. Light. When Barry went to confront her, he told her they could protect her from Zoom. Dr. Light told him that no one could protect her from Zoom, she flashed a light at Barry. Barry told her for just a normal conversation and Dr. Light agreed. Dr. Light unmasked herself and Barry hesitated seeing Linda Park. After saying her name, a confused Dr. Light blinded Barry and fled. Fearing Dr. light may go after her Earth-1 doppelganger, Barry told them they should look after her. After crashing into Caitlin and multiple objects, Jay and Caitlin told Barry to stay behind as they volunteered to look after Linda. Later, Barry went on with his date with Patty, wearing sunglasses with built in cameras for Cisco to guide him. Though he went on with the date smoothly, Patty eventually told Barry she knew he was blind. Barry told Patty that he had his pupils dilated prior and didn't want to cancel. After the date, the two kiss and Barry regained his sight, complimenting Patty's dress. The two were then called to report to Central City Picture News after Eric Larkin was killed by Dr. Light. At S.T.A.R. Labs, Jay apologized to Barry as he never thought Dr. Light would ever kill. After Wells argued with Jay, the two fought, though Barry stopped the two. After Barry told Wells he had retrieved Dr. Light's mask, Wells revealed to the team Cisco is indeed a meta-human, using his Next gen watch to prove so. Barry asked why Cisco never told them and Cisco told the team he was going to eventually. After failed attempts at using his powers to locate Dr. Light, Wells forced it on Cisco. Cisco told Barry Dr. Light was trying to leave town at the South Plaza Train Station. Barry left and confronted Dr. Light once more. After evacuating the train station, he asked how he's suppose to stop Dr. Light. Wells told him to confused Dr. Light by creating speed mirages. Barry told Wells he isn't able to but was told if he was able to travel through time, he should have no problem creating the after images. Barry went on and created speed mirages but Dr. Light sent a blast of light around her, knocking Barry away. Barry told him he couldn't do it but Jay told him he could. Barry went on to create the after images once more and knocked Dr. Light out. After locking Dr. Light up in the pipeline, Barry told them they should listen to Wells and use Linda as bait. A frustrated Jay told them once more they can't trust Wells as he has as many secrets as the one they knew. At Jitters, after Caitlin suggested Cisco should have a nickname, Barry suggested the name "Vibe".[43]

Barry asked Dr. Light for help to stop Zoom, though Light urged him not to, though she eventually agreed. Barry told the team of the trap while Harrison Wells told them he developed a serum that could dampen Zoom's speed. Barry and Joe were then called to the CCPD precinct. At the CCPD, Barry was told by Patty that Joe shut her down on a case and asked if it was because of their kiss, though Barry told her he never told him. After Dr. Light escaped, Barry rushed over to S.T.A.R. Labs but was too late. In fear of Dr. Light going after Earth-1 Linda again, Barry had Iris take Linda into her home. Barry and Joe then had an argument that they shouldn't go after Zoom just yet. Barry reminded Joe that he always said it's good to play offense rather than defense at times but Joe told him that was for football tryouts. At Iris' house, Barry suggested they use Linda to lure Zoom, though realizing what he was saying was wrong, Iris told him it was a good idea. At S.T.A.R. Labs, Barry greeted Linda. The S.T.A.R. Labs team took Linda on a practice run. After a few attempts, Linda eventually succeeded. When he went to hi-five Linda, the latter accidentally fired a blast of light to the former, though he managed to evade it. Later, Joe told Barry that Linda wasn't ready but Barry told him otherwise. Later that night, the Flash went to visit Linda. When Linda said she wasn't ready, the Flash told her she's one of the strongest woman he knew. When she asked what he based that on, he revealed his identity. The following day, Barry was asked by Patty if he could go out for dinner but Barry told her he had something else to take care of that night. At night, Barry and Linda faked a battle where the latter came victorious, though Zoom never showed. Later when Zoom eventually arrived and kidnapped Linda, Barry ran over. Zoom told him that he isn't the only one who fished with bait and proceeded to drop Linda off the roof of S.T.A.R. Labs. Barry ran down and slowed her fall down and caught her. Barry then ran around S.T.A.R. Labs in circles and hurled lightning at Zoom, though the latter caught the lightning and hurled it back at him. Barry then made an attempt a free fall fight for equal velocity though Zoom still came on top. Zoom proceeded to beat Barry and broke his spine. When Wells tried shooting Zoom with the speed dampening serum, Zoom caught it and used it against Barry. Zoom then dragged Barry to Central City Picture News and the CCPD, announcing their hero had been defeated. Barry was dragged back to S.T.A.R. Labs where Zoom shoved his claw like hands into Barry's abdomen, rendering Barry unconscious. When Barry woke up, he was told Linda left for Coast City. Barry then told the team he couldn't feel his legs.[44]


In April 2016, later Barry traveled to Star City to attend the funeral of an unknown person close to Oliver but was held up with an encounter with Zoom, causing him to miss the funeral but arrived afterward to talk to Oliver at the grave-site. Upon asking Oliver if there was anything he could do for him, Oliver told him that he wished to be left alone, which Barry acknowledged and then sped off.[45]

In a possible future Barry was fighting alongside Atom, Captain Cold and Sara Lance against a large metallic adversary. In another possible future Barry is arrested and sent to Iron Heights for an unknown crime. Barry also has a museum is built in his honor. Barry caught glimpses of these future events when running through the Speed Force.[6]


Barry is described as someone who complements Felicity Smoak's intellect level, both when it comes to forensics, as she claims it's not her strong suit, and science in general. He is also someone who is regularly late as he missed a train, boarded a late train, and misses a cab all to get to Queen Consolidated's warehouse, and missed the last train back to Central City. He is also considered a comic geek.

Much like Oliver, he has a strong sense of justice, due to the fact he knows his father is innocent of a crime he was convicted of, and for which he is still serving a life sentence. He joins the forensics department to both learn how to investigate crimes, and study cases with unexplained elements, to prove his personal account of his mother's murder true, and ultimately, free his father. Barry is very intelligent, and like Felicity he is socially awkward, and sometimes gets nervous and babbles.

Barry has good morals, he does not like to lie about who he really is, like when he first met, Oliver, Felicity and Quentin, and told them he was a forensic scientist, this was only because he knew they wouldn't take him very seriously if they knew he was only an assistant forensic scientist. When Oliver confronted him, after he found out who Barry really was, he did not try to deny it, but also explained the reason why he did it.

Barry has a lot of respect for the vigilante known as the Arrow. When he found out that Oliver/the Arrow are the same person he is amazed, he also saved his life after he was injured by Cyrus Gold and consequently poisoned, despite the fact that he barely knew Oliver at the time, he also keeps his secret. Despite his respect for Oliver, Barry is not above standing up to him, like when he pointed out that Oliver was being a jerk to Felicity, though he said this in a respectable way.

When he first discovered his new-found powers, he wanted to help people. When he first tried to stop Clyde Mardon, someone unintentionally got killed because of his actions, and he lost his confidence, however after getting advice from Oliver, he regained his confidence. As the series progresses Barry becomes more and more confident.

Oliver mentions Barry is very stubborn and isn't likely to learn from his flaws until experiencing them first hand as shown during his training with Oliver. This prompted Oliver to show Barry a potential consequence of not surveying his surroundings before charging at an enemy by shooting him with two remote controlled crossbows.

Despite his dislike of crime and meta-humans who use their new-found powers for evil intentions, killing and torturing his enemies is a line that Barry would never cross, as he criticized Oliver for torturing Klaus Markos to gain the location of Digger Harkness. He even stated that he does not use his bad experiences as an excuse to torture people in general who makes him angry.

Barry is shown to be selfless, like when he found out that Eddie was going to ask Iris to marry him, Barry did not try to stop this engagement, despite recently discovering future events; that Iris will become his wife, instead of Eddie's.

However, after Eddie sacrificed himself so that his descendant Eobard would have never been born and Ronnie had done the same so Central City could be saved Barry's personality became slightly darker. He became more reclusive, distant and cold to his friends, he broke up Team Flash and went "the Lone Wolf". He also began to doubt himself as a superhero as he couldn't have saved Eddie and Ronnie and even considered not going to Central City's Flash Day but after being motivated by Iris he decided to go and reunite Team Flash.

He became less trustful of people, when Jay Garrick claimed that Earth-1 was in danger by another speedster called Zoom and that he was the Flash of Earth-2 Barry did not believe it, even though most of his friends did but this was mostly due to the fact that Jay reminded him of Eobard Thawne, he eventually overcame his suspicions and allowed Jay to train him to defeat Sand Demon.

Barry began to show less concern for his enemies well-being as he gave Atom Smasher an overload of nuclear energy which killed him and solidified Sand Demon which again kills him however Barry probably didn't expect it would kill them. His killing of Atom Smasher was due to his strong belief he would harm others. However, he did apologize to Atom Smasher before he died, while he felt no remorse or care for Sand Demon's death; likely because he was murderer and a psychopath who had no guilt or remorse for killing innocent people and did nothing to try to avoid it.

Powers and abilities



Barry speed is emphasized by a trail of yellow lightning coming off him.

  • Speed Force Connection/Meta-human physiology: Barry's powers come from the Speed Force; a mysterious energy field that he first accessed when he gained his powers from the dark matter lightning. The lightning altered his DNA to supercharge his cells with enormous amounts of electricity and likewise augmented his physiology to beyond peak human condition, obtaining a lean-built frame to properly handle his new abilities. He is shown able to directly access the Speed Force, however it is currently unknown if he can do so at will/by instinct.
    • Superhuman speed: Thanks to his exposure to the dark matter lightning and unknown chemicals falling, Barry is able to move at superhuman speeds. Barry is also unaffected by the side-effects caused by moving at these speeds such as high friction, reduced oxygen, and kinetic impact. While his initial speed was over 200mph, according to Eobard, Barry's speed will eventually become limitless. As of now, Barry's top consistent speed is over Mach 2 (twice the speed of sound). The intensity of his speed allows him to run vertically across structures and even over large masses of water. When using enough momentum, Barry's speed can propel him through the air and move across it, defy gravitational force and not be pulled down easily by it.
    • Superhuman agility: Barry is incredibly agile, able to change direction immediately. This allows him to make sharp turns on city streets without sliding or losing his balance, and helps him leap farther and higher while running.
    • Superhuman reflexes: Barry's increased speed also augments his reaction time, allowing him to react to danger and events far faster than a normal human. When shot in the neck on his blindside, Barry was able to catch the bullet and minimize the damage before it could fully penetrate his skin.
    • Superhuman endurance: Barry's body can handle the stresses of superhuman racing without noticeable distress, and his body's enhanced stamina allows him to function much longer than a normal human without getting tired or weak. Barry is able to recover from attacks and exertion much quicker than normal humans. While his durability is no greater than before, he has been able to withstand being struck with Weather Wizard's lightning, with him only being stunned for several minutes, as well as only being stunned by Grodd's strength.
    • Accelerated perception: Barry's speed also extends to his senses and mental capacities, able to take in information and process it just as fast. This allows Barry to see the world as if it is in slow motion, which combined with his physical speed lets him think, perform actions, react to events, long before a normal human around him could even perceive them. Eobard didn't want Barry present when they trapped the Reverse-Flash in fear of Barry seeing through his speed-mirage.
    • Rapid cellular regeneration: Barry's also dramatically heightened healing capacities. This is caused by his body's molecules moving at accelerated rates, causing the chemical reactions responsible for metabolism to mend and even restore any damages much quicker and efficiently than regular humans. After breaking his wrist while testing his new-found speed, Barry made a full recovery within three hours with no lingering effects or even signs of it having happened. Even normally permanent damage to his body, like becoming a paraplegic, will completely repair itself within days. His body also has a heightened resistance, if not immunity, to any sickness, disease, toxins, and poisons. Normal drinking does not affect him consuming a special 500 proof alcohol only intoxicated for a few seconds. Similarly, when The Arrow injected him with 2,000 milligrams of horse tranquilizer, Barry was only momentarily slowed down until he burned through it. Further testing of Barry's body has speculated that this augmented metabolism is drastically reducing his aging process while likewise extending his health and longevity.
    • Extreme force generation: Through Barry's ability to accelerate his movements, he can generate great amounts of physical forces through kinetic energy and friction, allowing him to overpower regular humans with little to no effort. Through generation of his accelerated momentum, he can propel himself through the air and create substantial frictional force with any object he comes into contact with, able to jumped over 15 feet in the air. The friction from his speed can also cause extreme heat and set objects ablaze. Alternatively, his enhanced speed lets him channel the force into powerful strikes, often propelling targets several feet. The force he generates can even produce sonic blasts with his strikes, enough to disable a meta-human who could become as strong and hard as steel. Similarly, Barry is able to hurl a bullet from his hand with enough force to penetrate a powerful barrier and still pierce clean through a person.
    • Bodily vibration: Barry has the ability to vibrate some or all of his cells and overall parts of his body on command for various effects. His bodily control can vibrate his entire body to mask his form from others clearly perceiving it and distort his vocal cords to disguise his voice. Similar, he can vibrate his cells fast enough to forcibly expel any toxins that do manage to affect him. He can vibrate at varying frequencies and with different levels of force, allowing him to create small tremor-like effects on any object or person he touches. Later learning how to vibrate all the cells in his body at the same frequency as air from Eobard Thawne, Barry can allow himself to seamlessly pass through any solid target unfazed. His can also choose which matter he phases together with him as he phased Eddie and Joe both in and out of moving vehicles.
    • Speed vacuum: Using his speed, Barry can control air flow on all levels by moving through them fast enough and create vacuums. He can suffocate people by creating a strong vortex around them by running around them. He can spin his arms at the speed of a tornado to remove air from fire and extinguish it and repel targets away. For larger scale feats, he can completely removing the physical force from massive tidal waves and stabilize a giant singularity by running back and forth or in a circle.
    • Time travel: Barry can move fast enough to break open holes in the fabric of time and space, allowing him to travel through time. Arguably his speed's most powerful facet, this means he can alter events that have occurred, allowing him to tamper with the flow of time and possibly create new timelines. Currently this power is uncontrollable, as he only achieved it once by accident when he went back in time while countering Mark Mardon's tidal wave. Eobard theorized that his time travel experience was triggered by biochemical, emotional and mental conditions at the time, such as having a different amount of adrenaline, endorphins, dopamins and possibly other chemicals being produced in his body at a faster rate due to reacting to his surroundings and situation and exertion, while his emotional level was being similarly affected by his kiss with Iris before he changed time.
    • Electrokinesis: As a speedster, Barry produces a powerful yellow electricity from his body and can use it in any way he chooses, such as generating enough friction on a specific part of his body, such as his hands, to produce a strong static shock. Jay Garrick later trains Barry to hurl lightning bolts by using the electricity he produces.
    • Intangibility: If Barry vibrates his cells at the natural frequency of air, he can literally phase himself through any solid object or people, as seen in "Tricksters".
    • Speed mirages: Barry can use his speed to make it appear like he's in many places at once, when in reality, he is simply bouncing back and forth too fast for the human mind to perceive the difference. He can create dozens of after-images, allowing him to disorientate his enemy and catch them off guard, as he did to defeat Dr. Light.


  • High-level intellect/Skilled tactician/Leader: A keen-minded individual, from a young age, Barry quickly showed a natural understanding and quick capacity to learn, making it hard for his foster-father Joe to help him with homework by the time he was twelve. Barry is also very well-read, greatly impressing the award-winning professor Martin Stein. Barry is a capable tactician and leader. After Eobard Thawne was exposed as Reverse-Flash, the man who murdered his mother, Barry has managed to keep his team together and has lead it well. Barry's intelligence made Eobard Thawne trust him enough to make Barry the new CEO/Owner of S.T.A.R Labs. The same can be said for his growing tactics in battle.
  • Forensic expert: Despite only being a forensic science assistant, Barry is a highly skilled forensics examiner. From a single glance of the crime scene, he can quickly determine much of the events that transpired. Barry has repeatedly been able to quickly analyze any given data and quickly form accurate theories on the given situation. With the Arrow, Barry correctly determined the Arrow's training background from his green attire, and that the Arrow has at least one accomplice.
  • Expert engineer: Barry has (or will develop one possible future before 2024) very advanced skill in technology. At some point in the potential future he creates Gideon, very sophisticated artificial intelligence unit that's system was so complicated that even Cisco had no idea of how it works.
  • Chemistry expert: Barry's knowledge and skill in chemistry is very advanced, shown when he was terrified at how certain chemicals were stored at a lab at Queen Consolidated, describing them all as the definition of dangerous. He was also able to cure Oliver Queen using only a small amount of rat poison and consequently dosed with a blood coagulant. He could also use unknown types of chemicals to make a compressible micro-fabric green domino mask for Oliver so he could conceal his identity more effectively than with grease paint without affecting Oliver's sight and, by extension, his aim.
  • Hand-to-hand combatant: Despite not having much skills and experience in unarmed combat, Barry's superhuman speed and reflexes combined with his intelligence makes him a formidable opponent. In "Flash vs. Arrow", he was able to fight Oliver as an equal (albeit Oliver was trying not to hurt him), despite the latter being more expert in unarmed combat. In one potential future of 2024, Barry becomes an expert unarmed fighter as seen in "Tricksters", where future Barry fights Eobard as an equal.
  • Singing: While not a fan of it and being quite modest about it, Barry is shown to be a high quality singer. When being dragged into singing at a dive bar, it ultimately attracted the attention of Linda Park.
  • Skilled marksman/Firearms: Being in the Central City Police Department, it is possible that Barry was trained to use several different types of guns. In "Grodd Lives", Barry is shown using a tranquilizer gun down in the sewers.


  • Hyper-metabolism: While moving at accelerated speeds, Barry burns calories much faster than a normal person. This requires him to consume large amounts of nutrients to maintain his peak physical performance. Continued usage of his speed while deprived of such render him disoriented and weak before ultimately passing out as a result of low blood glucose. Also, because of his accelerated healing, he is unable to be given painkillers, sedatives, or anesthetics, as his body's metabolism burns through them too quickly for them to have any effect.
  • Cold temperatures: Because speed is produced by a build-up of heat in the target's atoms, Barry is vulnerable to extreme cold temperatures. Under these conditions, Barry's speed will be greatly reduced. Also, direct exposure to such cold will temporarily stunt his healing capacities.
  • Electricity absorption: Barry's unique biology causes his body to produce massive amounts of electricity, which charges his molecules to allow for his accelerated movements. Should Barry be drained of this electrical energy, he will lose his powers. However, as this power is genetically coded to his DNA, he can potentially regain his speed by using more electricity to jumpstart it.


  • The Flash suit: Barry wears a protective suit as his superhero alter-ego, The Flash, to hide his identity from his enemies when he goes out fighting crime. The suit is made out of a reinforced tri-polymer and is heat and abrasive resistant, organically designed to replace firefighter turnouts. It was re-purposed to help protect Barry from the vigor's of his speed and survive certain environments. It also includes built-in sensors to track Barry's vitals, location, power output, speed level, and allows them to stay in contact with him from S.T.A.R. Labs, however, Barry's communication device can be deactivated by turning his ear piece off. The suit was designed by Cisco Ramon at S.T.A.R. Labs. There is also a lightning-bolt at the center of the suit. While normally carrying it around in a bag, he and his allies are working on replicating the technology Eobard used store his own suit within a ring.
  • Hidden Camera: During the week between "Flash vs. Arrow" and "The Brave and the Bold", Cisco had installed a mini-camera in the emblem on Barry's suit to allow his team live video coverage in order to see where he is and better assist him in dangerous situations.
  • Earpieces: On his suit's cowl, Cisco installed two lightning-bolt shaped earpieces on Barry's suit to maintain a communication link while he's in the field. The devices also include headset cameras to maintain video coverage, but for some reason hasn't been used yet.

See also

List of individuals he nicknamed

  1. Cisco Ramon as Vibe



Season 2

Season 3

Season 4

The Flash



The Flash: Season Zero


  • He tends to be late for everything, a homage to the fact that in the DC comics Barry would be late for everything to keep his identity as The Flash a secret, though in the Arrow universe it's just because he is unlucky.
  • The original DC comic book version of Barry Allen has blond hair and blue eyes, whereas the Barry Allen in Arrow has dark brown hair and hazel eyes.
  • In the DC multiverse Barry Allen is the second person to take up the superhero mantle of The Flash, after Jay Garrick.
  • Just like his DC comic book version, Barry has a hyper-accelerated metabolism and must regularly take in a very high caloric intake to avoid losing energy and passing out. To remedy this, Cisco Ramon created a very calorie-dense series of protein bars for Barry to eat in order to avoid hypoglycemia.
  • Despite Barry's Flash suit being red, when he runs at high velocity speeds, the electricity that radiates off of him is actually yellow not red, another homage to the DC comic book Barry Allen.
  • In the DC comics, Barry got his powers by being struck by lightning and having unknown chemicals falling on top of him. In the Arrow/the Flash universe Barry gets his powers from the particle accelerator enhanced lightning and having unknown chemicals falling on top of him.
  • Both Barry Allen and Eobard Thawne, aside from wearing masks, conceal their identities by vibrating the molecules of their faces. This is very similar to how Jay Garrick/the First Flash hid his identity whenever his helmet fell off during The Golden Age of Comic Books (1938-1957).
  • The Streak is a name from DC Animated Universe in which the Justice League entered an alternate earth and discovered a group of superheros knows as the Justice Guild. Among them, one of them is named The Streak, who also utilized superspeed.
  • Like in the DC comics, Barry, according to Eobard, will get to the point where he can move as fast as he wants.[5]
  • In the mobile game version of Injustice: Gods Among Us, the 2.6 update introduced a card based on Grant Gustin's portrayal of The Flash, referred to as "Metahuman Flash". Despite the model being based on the season 2 suit (with a white circle), the passive and super move icons still uses the season 1 version (with a red background). Additionally, the second special attack is named "Fast Enough", and his super move's description is "Run, Barry, run!"


Promotional images

Season 1

Season 2

Behind the scenes

  • In 2014, The Flash is the third DC-owned character to have its own television broadcasted show on The CW, following Smallville and Arrow.


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