'Flash' & 'Supergirl' Crossover Episode First Teaser Revealed - Watch Now!
The 26-year-old Flash actor and 27-year-old Supergirl star share the screen in character for the first time in the brief clip.
Grant and Melissa finished filming the episode in late February after the news of the crossover was announced earlier that month.
In the episode, the characters will team up to face off against the Silver Banshee (Italia Ricci).
Watch the first teaser for the Flash and Supergirl crossover episode below!
‘The Flash’ & ‘Supergirl’ Crossover Teaser