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

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Supergirl Season 3 Episode 8
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
First Aired: November 27, 2017 - 42 Minutes Runtime
Grant Gustin, Candice Patton, Wentworth Miller, Russell Tovey, Emily Bett Rickards, Stephen Amell, Grant Gustin, Caity Lotz
Season 3 Episode 8 - Video Clips & Extras