UPDATED: Watch the first teaser trailer for the Supergirl/The Flash crossover episode 'Worlds Finest'

CBS has unleashed the first teaser trailer for “Worlds Finest,” the highly anticipated Supergirl episode featuring Grant Gustin’s Scarlet Speedster.

UPDATE: CBS has released a batch of images from the episode, which you can see in the gallery below.

The crossover sees Barry Allen, aka The Flash, popping up on Kara’s (Melissa Benoist) home turf of National City (which is an alternate universe, by the way, but still within the DC TV multiverse). The short video teases what will no doubt be an iconic meeting between two legendary DC Comics superheroes from two different networks.

In “Worlds Finest,” Barry and Kara team up against the villainous Silver Banshee (Italia Ricci) and Livewire (Brit Morgan) in an episode penned by Andrew Kreisberg and Michael Grassi, based on a story by Greg Berlanti. Check out the teaser trailer 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. Grant Gustin crosses over as The Flash.

The epic Supergirl/The Flash crossover event will zoom its way onto our TV screens in the March 28 episode of Supergirl on CBS.

(via Supergirl CBS)

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