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Supergirl takes on the Worldkillers in trailer for Supergirl Season 3 Episode 17 – ‘Trinity’

May 1, 2018 by Amie Cranswick

We’ve already seen a batch of promo images for next week’s seventeenth episode of Supergirl season 3 [check them out here], and now The CW has released a trailer for ‘Trinity’ which you can watch here…

https://www.youtube.com/watch?v=xVHN4qqChBE

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. 

SEE ALSO: Follow all of our coverage of Supergirl here

Supergirl season 3 airs on Monday nights on The CW.

Photo Credit: The CW

Filed Under: Amie Cranswick, News, Television, Trailers Tagged With: DC, Supergirl

About Amie Cranswick

Amie Cranswick has been part of Flickering Myth’s editorial and management team for over a decade. She has a background in publishing and copyediting and has served as Editor-in-Chief of FlickeringMyth.com since 2023.

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