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The Flash and Supergirl Musical Crossover Duet Teaser Trailer.

The Music Meister sends Supergirl and the Flash to a world where life is a musical and the only way to escape is to sing and dance.

"The Flash 3x17, The Flash 3x17 supergirl, The Flash 3x17 winn, The Flash 3x17 photos, The Flash 3x17 sneak peek, The Flash 3x17 music meister, music meister promo, The Flash Supergirl Musical, The Flash Supergirl Musical Sneak peek, The Flash Supergirl Musical promo, The Flash Supergirl Musical trailer, The Flash Supergirl Musical photos, The Flash Supergirl Musical crossover"

Director: Dermott Downs Writers: Greg Berlanti (developed by), Andrew Kreisberg (developed by) |  » Stars: Grant Gustin, Candice Patton, Danielle Panabaker, Melissa Benoist

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current03:05, March 9, 2017Thumbnail for version as of 03:05, March 9, 201700:12480 × 269 (25 KB)Louisnguyen (Talk | contribs)created video