Supergirl Season 3 Episode 17
Overview
Still reeling after learning about Lena’s secret, Supergirl asks Guardian for a favor that could alter his relationship with Lena forever. Meanwhile, with all three Worldkillers united, Supergirl and the team brace for an epic battle.
Director: Caitlin Parrish, Erica Weiss
Guest Star: Amy Jackson, Angela Zhou, Anjali Jay, Jesse Rath, Krys Marshall, Yuvraj Kalsi