Watch Supergirl Season 3 Episode 18 online via TV Fanatic with over 1 options to watch the Supergirl S3E18 full episode. Affiliates with free and paid streaming include Amazon.

Episode Details

On Supergirl Season 3 Episode 18, Supergirl and Alex work together in order to keep Ruby safe when Reign begins her hunt to find and kill the girl.

Rating: 3.9 / 5.0 (62 Votes)
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Supergirl Season 3 Episode 18 Quotes

Winn: Did Mon-El tell you about my dirt collection?
Brainy: No, I ran a diagnostic of your personality, and calculated with a 98..7% certainty that you either collected dirt or New York Mets baseball cards.

Winn: J'onn's going to be sad he missed you.
Mon-El: Tell him it's okay. I'll see him in a thousand years.