Invasion! (IV)

Overview

After learning the Dominators’ plan for the world, the Legends must work together with The Flash, Supergirl and Green Arrow to kill them once and for all. Meanwhile, Stein figures out, with the help of others, how the team can terminate the Dominators, but is distracted by the aberration he realizes he created in 1987. The crossover starts on Supergirl S02E08 Medusa (I), The Flash S03E08 Invasion! (II) and Arrow S05E08 Invasion! (III).

Guest Stars

Stephen Amell

Oliver Queen / Green Arrow

Carlos Valdes

Cisco Ramon

Emily Bett Rickards

Felicity Smoak

Lucia Walters

President Susan Brayden

Melissa Benoist

Kara Danvers / Supergirl

Grant Gustin

Barry Allen / The Flash

Danielle Panabaker

Caitlin Snow

Donnelly Rhodes

Agent Smith