Supergirl: Official Flash Crossover Promo


Here's our first peek at the upcoming Supergirl / The Flash crossover, in which Grant Gustin's Barry Allen meets Melissa Benoist's Kara Danvers. The promo is really just a fifteen-second teaser that shows a glimpse of the two DC superheroes looking rather serious.

The special episode of Supergirl "World's Finest" drops on March 28.