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.
Did You Know?
Oliver has a concealable bow, but it is never made clear as to where his arrows come from. See more
[awkwardly making conversation the morning after a romantic tryst
How's your butt? I heard you fall out of bed this morning, and it sounded like it hurt.
Yeah. A little.
The usual opening narration and title card are replaced by a special "Crisis on Earth-X" sequence. See more
Runnin' Home to You
Performed by Melissa Benoist
Written by Benj Pasek
and Justin Paul
Arranged by Daniel James Chan See more