Title: Reign

Directed By: Glen Winter

Air Date: December 4th, 2017

Written By: Paula Yoo & Caitlin Parrish

Official Description: REIGN CHALLENGES SUPERGIRL – Supergirl investigates a mysterious symbol popping up all over National City, tracing its origins back to an ancient prophecy and the mark of the World Killer, Reign. Meanwhile, the tension between Lena and Morgan Edge continues to build, causing James to step in and offer up some protection, and possibly igniting a spark in the process.

Reoccurring Cast:

Guest Stars: Saturn Girl (Amy Jackson) | Morgan Edge (Adrian Pasdar)

Special Notes: It looks like this episode will welcome back Amy Jackson as Saturn Girl.