Supergirl Season 3 Episode 4

Supergirl Season 3 Episode 4

Supergirl S03E04: Kara investigates a secretive new group whose leader, Thomas Coville, has a mysterious connection to Supergirl. Meanwhile, Samantha feels like she’s letting Ruby down, and J’onn confesses an old secret.

Episode Title: The Faithful

Air Date: 2017-10-30

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