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Supergirl/The Flash: Duet
The Flash TV Series3 Poster-Duet
Director: John Medlen
Dermott Daniel Downs
Writer(s): Katie Rose Rogers
Jess Kardos
Aaron Helbing
Todd Helbing
Release Date: March 20 and 21, 2017
Running Time: 82 mins
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Supergirl/The Flash: Duet is a two-part crossover episode from season 2 of Supergirl and season 3 of The Flash.



A new villain comes to National City, putting Supergirl on high alert. Meanwhile, Winn's girlfriend, Lyra, gets Winn in trouble with the law. Maggie attempts to help Winn but old loyalties get in the way. The Music Meister attacks Supergirl.


Barry Allen/The Flash and the team are surprised when Mon-El and Hank Henshaw arrive on their Earth carrying a comatose Supergirl who was whammied by the Music Meister. Unable to wake her up, they turn to Team Flash to save her. However, the Music Meister surprises The Flash and puts him in a similar coma, one that Team Flash can’t cure. Kara and Barry wake up without their powers in an alternate reality where life is like a musical and the only way to escape is by following the script, complete with singing and dancing, to the end.