Supergirl: Official Photos Released For The Flash Crossover "Worlds Finest"

03/16/2016 03:00 pm EDT

CBS has released a batch of official photos for "Worlds Finest," the March 28 episode of Supergirl which will guest star Grant Gustin as The Flash.

You can check them out below, along with the just-released teaser trailer for the episode.

"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. Grant Gustin crosses over as The Flash.

Supergirl airs Mondays at 8 pm. ET/PT on CBS.

"Worlds Finest" will air on March 28.

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