Tremors - Supergirl

SUPERGIRL - Sunday, November 17, 2019 at 9pm on CW50

SOMETIMES THE PERSON YOU WOULD TAKE A BULLET FOR IS STANDING BEHIND THE TRIGGER – Supergirl (Melissa Benoist) finally learns the truth about Lena (Katie McGrath) while tangling with Leviathan.

J'onn J'onnz (David Harewood) makes a discovery about his brother's whereabouts.

Andi Armaganian directed the episode written by J. Holtham & Katie Rose Rogers (#507).

Original airdate 11/17/2019.