Trinity still
Supergirl • SEASON 3 EPISODE 17

Trinity

SupergirlSeason 3Episode 17May 7, 201842 min

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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