Warner Bros. have released behind the scene images from the upcoming crossover episode of Supergirl, which will also feature one of the DC universe’s other big superheroes, The Flash. The episode, which is called ‘World’s Finest’, goes out in the U.S. on March 28th, and the U.K. later in the year.
Here’s the story.
“Kara gains a new ally when the lightning-fast superhero The Flash (Grant Gustin) suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home.”
Melissa Benoist stars as Supergirl, with Mehcad Brooks as James Olsen, Laura Benanti as Alura Zor-El, Calista Flockhart as Cat Grant, Chyler Leigh as Alexandra “Alex” Danvers, Jeremy Jordan as Winslow “Winn” Schott, and Jenna Dewan Tatum as Lucy Lane.