Supergirl Season 3 Episode 22
Overview
Supergirl learns the true depth of Serena’s nefarious plans for Earth. Supergirl, Mon-El and Alura must devise a plan to stop her before Serena gets to Earth. J’onn prepares to say goodbye to his father.
Director: Armen V. Kevorkian
Guest Star: Andrea Brooks, Anjali Jay, Carl Lumbly, Chad Lowe, Curtis Lum, Emma Tremblay, Erica Durance, Esmé Bianco, Rosemary Hochschild, Winsome Brown