Supergirl Season 3 Episode 17 Trinity 2017
7.312/10 by 4170 users
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.
- Released: 2018-05-07
- Runtime: 42 minutes
- Genre: Drama, Sci-Fi & Fantasy, Action & Adventure
- Stars: Melissa Benoist, Chyler Leigh, David Harewood, Katie McGrath, Jesse Rath
- Director: Jess Kardos, Nicki Holcomb, Dawn Mills, Elle Lipson, J. Holtham
