Season 3 • Episode 17
Trinity
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2018-05-07
★ 7.1
42 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.
Guest Stars
Jesse Rath
Krys Marshall
Yuvraj Kalsi
Amy Jackson
Anjali Jay
Angela Zhou