Crisis on Earth-X (IV)

Overview

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. The crossover starts on Supergirl S03E08 Crisis on Earth-X (I), Arrow S06E08 Crisis on Earth-X (II) and The Flash S04E08 Crisis on Earth-X (III).

Episode Information

Guest Stars

Victor Garber

Dr. Martin Stein / Firestorm

Franz Drameh

Jefferson 'Jax' Jackson / Firestorm

Carlos Valdes

Cisco Ramon

Emily Bett Rickards

Felicity Smoak

Candice Patton

Iris West

Russell Tovey

Ray Terrill / The Ray