Fighting Worldkillers - Supergirl Season 3 Episode 17

Mon-El and Imra are suited up and ready for battle. "Trinity" is the 17th episode of the show's third season.

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Photo Credit:
Jack Rowand/The CW
Show:
Supergirl
Episode:
Supergirl Season 3 Episode 17: "Trinity"
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Supergirl Photos, Supergirl Season 3 Episode 17 Photos
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Vancouver, BC, Canada
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Supergirl Season 3 Episode 17 Quotes

Brainy: Once I induce transmission, your minds will be immediately beamed into this dark valley.
Alex: Is it gonna hurt?
Brainy: The chances are better than 50%.
Alex: That's comforting.
Brainy: Really? I didn't think so.

J'onn: There's still one big hole in this plan. How do we send Supergirl back to this valley?
Kara: We fight fantasy with sci-fi.

Supergirl Season 3 Episode 17

Supergirl Season 3 Episode 17 Photos

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