Supergirl Season 3 Episode 17: "Trinity" Photos

Alex in Battle - Supergirl Season 3 Episode 17

Alex is ready for battle against the Worldkillers. "Trinity" is the 17th episode of the show's third season.
Added:

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.
Added:

Lena at the DEO - Supergirl Season 3 Episode 17

Lena finally makes her way into the DEO to help save Sam. "Trinity" is the 17th episode of the show's third season.
Added:

A Difficult Decision - Supergirl

James must make a decision that could affect his and Lena's future on Supergirl. "Trinity" is the 17th episode of the show's third season.
Added:

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

  1. Shows
  2. Supergirl
  3. Supergirl Season 3 Episode 17
  4. Supergirl Season 3 Episode 17 Photos