Watch The Supergirl 3×04 Promo “The Faithful”

The promo for the new episode of Supergirl has been released. This new episode is titled “The Faithful” and it will air on October 30.

In this new episode, “Kara (Melissa Benoist) investigates a secretive new group whose leader, Thomas Coville (guest star Chad Lowe), has a mysterious connection to Supergirl. Meanwhile, Samantha (Odette Annable) feels like she’s letting Ruby (guest star Emma Tremblay) down, and J’onn (David Harewood) confesses an old secret.”

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