Duet
- Episode aired Mar 21, 2017
- TV-PG
- 43m
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 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 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.