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SEASON 3 • EPISODE 17
Supergirl
"Trinity"
Date Aired:
May 07, 2018 (United States)
Supergirl S3E17
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Still reeling after learning Lena's secret, Supergirl asks Guardian for a favor that could alter his relationship with Lena forever; with all three Worldkillers united, Supergirl and the team brace for an epic battle.
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