Overview

The group uses Ray's invention to track new recruits to help save the universe. The Monitor sends Iris, Clark and Lois in search of a mysterious Kryptonian, while Kate and Kara head out to find Bruce Wayne. In addition, Mia challenges Sara, Rory discovers a hidden talent, and Lex Luthor returns. This crossover begins on Supergirl S5E09, and continues on The Flash S6E09, Arrow S8E08, and Legends of Tomorrow S05E01.

Guest Stars

Brandon Routh

Ray Palmer / The Atom / Clark Kent / Superman

Candice Patton

Iris West

Elizabeth Tulloch

Lois Lane

Tyler Hoechlin

Clark Kent / Superman

Melissa Benoist

Kara Danvers / Supergirl

Caity Lotz

Sara Lance / White Canary

Katherine McNamara

Mia Smoak

Dominic Purcell

Mick Rory / Heat Wave

Jon Cryer

Lex Luthor

Matt Ryan

John Constantine

Tom Welling

Clark Kent (Earth-167)

Erica Durance

Lois Lane