The Flash and Supergirl are going to Old Hollywood in the first trailer for their upcoming musical crossover.
However, Music Meister gains the upper hand when he puts Barry (Grant Gustin) in a coma that even Team Flash can’t save him from.
That’s why in the 10-second teaser, Barry and Kara are decked out in their Old Hollywood best instead of their super-suits, and are showing off their fancy footwork rather than their crime-fighting capabilities.