Watch Supergirl Season 3 Episode 8 - Crisis on Earth-X, Part 1

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Supergirl Season 3 Episode 8

First Aired: November 27, 2017

Description: Barry and Iris's wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super friends like Citizen Cold, The Ray, Felicity Smoak, Iris West and Alex Danvers to take on their most formidable villains yet. Earth's mightiest heroes
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Season 3 Episode 8 - Video Clips & Extras