Supergirl Season 1 Episode 18

Supergirl → Season 1 → Episode 18: Worlds Finest
The Flash arrives in National City from an alternate universe. He teams up with Supergirl to battle the villains Livewire and Silver Banshee, in exchange for Supergirl's help finding him a way to return home.
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Watch Worlds Finest
Air Date: 28 March 2016
Director:
Language: English
Runtime: 43 Minutes
More Info: IMDb

Cast: Melissa Benoist, Mehcad Brooks, Chyler Leigh, Jeremy Jordan, David Harewood, Calista Flockhart, Jenna Dewan Tatum, Dawn Greenidge, Grant Gustin, Harriet Sansom Harris, Samantha Harris, Jay Jackson, Jamie Kaler, Zarek King, Brit Morgan


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