Supergirl Season 3 Episode 17 - Trinity

Airdate: 2018-May-07

Episode summary:

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.

About Supergirl series:

Supergirl TV series is a live action series of the live action version of Kara Zor-EL who is the cousin of Kal-El better known as Superman. It star...Show more >