Ash
The plot description and poster for CBS’ “The Flash”/”Supergirl” crossover episode has been released.
You can read the official description below, and also check out the poster, which pays homage to a 1967 Superman comicbook cover (also below).
“Worlds Finest” – 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, on SUPERGIRL, Monday, March 28 (8:00-9:00 PM) on the CBS Television Network.
