Last night premiered Crisis on Earth-X beginning with Supergirl. If you missed it then catch up and view the rest of the crossover.
Crisis on Earth-X is the name of the upcoming 4 part crossover event between Supergirl, Arrow, The Flash and DC’s Legends of Tomorrow. The crossover will air over two nights from November 27th to November 28th, 2017. The episodes that are involved in the crossover are:
“Crisis on Earth-X, Part 1” (Supergirl)
“Crisis on Earth-X, Part 2” (Arrow)
“Crisis on Earth-X, Part 3” (The Flash)
“Crisis on Earth-X, Part 4” (DC’s Legends of Tomorrow)
Synopsis
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 – Green Arrow, Supergirl, The Flash and White Canary – lead their teams into battle to save the world.