– “Trinity” SUPERGIRL TAKES ON ALL THREE WORLDKILLERS – Still reeling after learning about Lena’s (Katie McGrath) secret, Supergirl (Melissa Benoist) asks Guardian (Mehcad Brooks) 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. Caitlin Parrish & Erica Weiss directed the episode with story by Jessica Queller and teleplay by Caitlin Parrish & Derek Simon (#317). Original airdate 5/7/2018. SUPERGIRL Season 3 Episode 17 Photos Trinity.
Based on the DC character,AKA Kara Zor-El (Melissa Benoist), decides to embrace her superhuman abilities and become the hero she was always meant to be on The CW series, “ .”
SUPERGIRL Season 3 Episode 17 Photos Trinity
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