

S03E17
Trinity
Aired May 7, 2018
Free, with no ads. Tick off what you watch and see what airs next.
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.
TV Binge Diary
Keep track of Supergirl
- See what airs next, in your own time zone.
- Tick off episodes and films as you watch.
- Rate them, keep lists, and keep the record. Private by default.
