Supergirl Season 3 Episode 17

Supergirl → Season 3 → Episode 17: Trinity
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.
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Watch Trinity
Air Date: 7 May 2018
Director: Caitlin Parrish
Language: English
Runtime: 43 Minutes
More Info: IMDb

Cast: Melissa Benoist, Mehcad Brooks, Chyler Leigh, Jeremy Jordan, Katie McGrath, Odette Annable, Chris Wood, David Harewood, Anjali Jay


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