Watch Supergirl Season 3 Episode 20 Online

Dark Side of the Moon

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Watch Supergirl Season 3 Episode 20 online via TV Fanatic with over 1 options to watch the Supergirl S3E20 full episode. Affiliates with free and paid streaming include Amazon.

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Episode Details

On Supergirl Season 3 Episode 20, Lena decides how far she'll go to control Reign, Alex and Ruby are attacked, and Kara learns a part of Krypton survived.


Rating: 4.2 / 5.0 (47 Votes)
Show:
Supergirl
Season:
Episode Number:
20

Supergirl Season 3 Episode 20 Quotes

Winn: You seem more stoic and grave than usual, which if we're being honest is making me a little bit queasy. What haven't you told me?
J'onn: Reign is becoming immune to Miss Luthor's synthetic Kyrptonite faster than we expected.

Supergirl and I may not see eye to eye, but there is one thing we can agree on, and that's that you need to be stopped. So enjoy your moment in the sun, Reign, because we are going to save Sam, and end you.

Lena

Supergirl Season 3 Episode 20

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