spoilers season3 episode17Title: Trinity

Directed By: Caitlin Parrish & Erica Weiss

Air Date: May 7th, 2018

Story By: Jessica Queller

Teleplay By: Caitlin Parrish & Derek Simon

Official Description: SUPERGIRL TAKES ON ALL THREE WORLDKILLERS – 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.

Reoccurring Cast:

Guest Stars:

Special Notes: