Watch Supergirl Season 1 Episode 20 (S1E20) Better Angels Online
Supergirl Episode 1.20 is going to air on 18 April 16 at 8:00 p.m. CBS.
Overview: Supergirl is forced to do battle with an unexpected foe and must risk everything – including her life – to prevent Non and Indigo from destroying every person on the planet.
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