Download MP4: Supergirl Season 3 Episode 4 (S03E04) - The Faithful

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.

Supergirl Season 3, Episode 4 - The Faithful

Airdate: Oct 30, 2017

 Series: Supergirl

 Season 3