The CW has revealed the synopsis for the four part crossover episodes for DC shows Supergirl, Arrow, The Flash, and DC’s Legends of Tomorrow, entitled ‘Crisis on Earth X’; check it out below…
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Barry (Grant Gustin) and Iris’s (Candice Patton) 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 (guest star Wentworth Miller), The Ray (guest star Russell Tovey), Felicity Smoak (Emily Bett Rickards), Iris West and Alex Danvers (Chyler Leigh) to take on their most formidable villains yet. Earth’s mightiest heroes – Green Arrow (Stephen Amell), Supergirl (Melissa Benoist), The Flash (Grant Gustin) and White Canary (Caity Lotz) – lead their teams into battle to save the world.
Originally published November 10, 2017. Updated April 16, 2018.
