CBS has released the first look behind the scenes of “Worlds Finest,” the March 28 episode of Supergirl which will guest star Grant Gustin as The Flash.
Videos by ComicBook.com
“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.
You can check out the video below.
Supergirl airs Mondays at 8 pm. ET/PT on CBS.
“Worlds Finest” will air on March 28.
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Image courtesy of DC Studios
