The new "Supergirl" episode "Trinity", directed by Caitlin Parrish & Erica Weiss airs May 7, 2018 on The CW:
"...still reeling after learning about the secret held by 'Lena' (Katie McGrath), 'Supergirl' (Melissa Benoist) asks 'Guardian' (Mehcad Brooks) for a favor that could alter his relationship with Lena forever. Then with all three 'Worldkillers' united, Supergirl and the team brace for an epic battle..."
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