Supergirl Season 3 Episode 23
Overview
Supergirl and team take on Selena in an epic battle for Earth.
Director: Jesse Warn
Guest Star: Amy Jackson, Anjali Jay, Barbara Patrick, Betty Buckley, Carl Lumbly, Chad Lowe, Emma Tremblay, Erica Durance, Jesse Rath, Rosemary Hochschild, Winsome Brown