Check Out the Promo for Supergirl “Tremors”

The promo for the next new episode of Supergirl has been released. The episode is called, “Tremors” and it will air on November 17.

In the episode, ” 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.”

What did everyone think of tonight’s episode?

Source: CW