Watch Supergirl s3e4 online stream free.
Description by couchtuner for Supergirl Season 3 Episode 4 : 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.
Watch It Here : Supergirl Season 3 Episode 4 The Faithful
