The fifth season of The Flash premiered on October 9, 2018 on The CW. It was renewed on April 2, 2018.
- Grant Gustin as Barry Allen/The Flash
- Candice Patton as Iris West-Allen
- Danielle Panabaker as Dr. Caitlin Snow
- Carlos Valdes as Cisco Ramon
- Danielle Nicolet as District Attorney Cecille Horton
- Hartley Sawyer as Ralph Dibny/Elongated Man
- Jessica Parker Kennedy as Nora
- Tom Cavanagh as Harrison Wells
- Jesse L. Martin as Detective Joe West
Confirmed plot points
- There will be a new threat this season.
- The villain for this season is not a speedster.
- There will be a four-show crossover with Supergirl, DC's Legends of Tomorrow and Arrow. The crossover will introduce Batwoman and Gotham City.
- One of the themes for this season is family.
- Iris will be on the field investigating and writing more.
- We will see more of Ralph's detective side.
- Tom Cavanagh will play a funny and unique version of Wells.
- Wally West will appear in the season premiere.
- Danielle Nicolet, Hartley Sawyer and Jessica Parker Kennedy were promoted to series regulars.
Confirmed New Characters
- Desmond Paull: Desmond is a meta-human who, after a mysterious interaction with dark matter, was given not only immortality but also the gift to disable other meta-human powers. He blames metas for everything that has gone wrong in his life and because of that, his mission is to wipe Central City free of them in order to silence his own anguish.
- ↑ The SpoilerTV 2018/19 Upcoming Premiere Dates Table - SpolierTV
- ↑ The CW Fall 2018-19 TV Schedule – Arrow, The Flash, Supernatural & More - RenewCancelTV
- ↑ 'Riverdale,' 'Flash,' 'Supernatural' Among 10 CW Renewals - The Hollywood Reporter
- ↑ 4.0 4.1 4.2 The Flash boss promises Mystery Girl answers in finale - EW
- ↑ 5.0 5.1 5.2 5.3 5.4 5.5 The Flash boss on that Mystery Girl reveal, new season 5 threat - EW
- ↑ 6.0 6.1 6.2 6.3 6.4 ‘The Flash’ Season 5: Tom Cavanagh To Play New Version Of Wells - ibtimes
- ↑ 7.0 7.1 ‘The Flash’: Danielle Nicolet Upped To Series Regular For Season 5 Of CW Drama - Deadline
- ↑ 8.0 8.1 The Flash Season 5: Elongated Man Upgraded to Series Regular - Screen Rant
- ↑ 9.0 9.1 ‘The Flash’: Jessica Parker Kennedy Upped To Series Regular For Season 5 - Deadline
- ↑ 10.0 10.1 EXCLUSIVE: Breakdown For ’THE FLASH’ Season 5 Reveals Barry Allen’s Next Villain! - ThatHashTagShow
- ↑ Next CW superhero crossover to introduce Batwoman - EW
- ↑ Legends Season 4: Keiynan Lonsdale Not Returning as Series Regular - TVLine