Extended Spot and 4 Clips For SUPERGIRL and THE FLASH Crossover — "World's Finest"

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The upcoming Supergirl crossover episode with The Flash looks like it's going to be a lot of fun. The episode is called "World's Finest," and today we have an extended promo spot and four clips that have been released offering lots of great new footage of the two heroes in action. I was hoping to see the two characters race, and that's exactly how this promo starts out! 

“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 crossover episode airs on CBS on Monday, March 28th at 8pm.

Official website: http://www.cbs.com/shows/supergirl/ Official Twitter page: https://twitter.com/supergirlcbs Official Facebook page: https://www.facebook.com/SupergirlCBS

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 at 8/7c.

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 at 8/7c.

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 at 8/7c.

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 at 8/7c.