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"Reign, Purity, Pestilence, they were all created by Kryptonian witches to do one thing. Kill the world. And now that they're together, they're doing that."
Kara Danvers

"Trinity" is the seventeenth episode of the third season of Supergirl, and the fifty-ninth episode overall. It aired on May 7, 2018.

Synopsis

Still reeling after learning about Lena's secret, Supergirl asks Guardian for a favour that could alter his relationship with Lena forever. Meanwhile, with all three Worldkillers united, Supergirl and the team brace for an epic battle.[1]

Trivia

  • The episode's title refers to the Worldkillers Reign, Purity and Pestilence.
  • This is the first episode of Supergirl where Kara Danvers appears only as Supergirl.

References


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