Supergirl Season 3 Episode 17

Supergirl Season 3 Episode 17

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.

Serie: Supergirl

Director: ,

Guest Star:

Episode Title: Trinity

Air Date: 2018-05-07

Year: