Watch a second short teaser below for the Supergirl and The Flash crossover featuring the two speedsters about to see who is the fast man – or woman – alive!
Preview images have also been released.
Episode synopsis:
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.
The “Supergirl” and “The Flash” crossover episode, “Worlds Finest,” airs Monday, March 28th at 8pm ET on CBS starring Melissa Benoist and Grant Gustin.