Supergirl
Tuesdays 9:00 PM on The CWWatch 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.
- Show:
- Supergirl
- Season:
- Supergirl Season 3
- Episode Number:
- 20