Watch The New Trailer To 'The Flash' & 'Supergirl' Crossover

(CBS SF) – Warner Bros TV has released the trailer for the highly anticipated crossover episode with CBS' Supergirl and The Flash. Titled "World's Finest," the trailer arrives following the release of last week's two teasers.

"World's Finest" Trailer:

 
Teaser #1

Teaser #2

 
PHOTOS: The Flash/Supergirl Crossover

About "World's Finest": Kara (Melissa Benoist) 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.

"World's Finest" is schedule to air locally on KPIX 5/CBS
Monday March 28 at 8:00pm PST.

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