The Faithful Supergirl : Season 3 Episode 4
TV-PG The CW 43m
Aired: October 30th, 2017 @ 9:00 PM EST on The CW
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.
