Supergirl “Trinity” Description

The CW has released an official description for the Supergirl episode titled “Trinity.” Look for it on May 7.

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.

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