Supergirl 3x17 Sneak Peek "Trinity" (HD) Season 3 Episode 17 Sneak Peek

Supergirl 3x17 "Trinity" Season 3 Episode 17 Sneak Peek - 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. Subscribe to tvpromosdb on Youtube for more Supergirl season 3 promos in HD!

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Supergirl 3x17 Sneak Peek/Preview "Trinity"
Supergirl Season 3 Episode 17 Sneak Peek
Supergirl 3x17 Sneak Peek "Trinity" (HD)

» Watch Supergirl Mondays at 8:00pm/7c on The CW
» Starring: Melissa Benoist, Chyler Leigh, Mechad Brooks, David Harewood

Contribute subtitle translations for this video: https://www.youtube.com/timedtext_video?v=HRoafbhQqz0