Watch The Supergirl 4×04 Promo “Ahimsa”

The promo for the new episode of Supergirl has been released. This new episode is titled “Ahimsa” and it will air on November 4.

In this new episode, “When Supergirl (Melissa Benoist) needs help, Alex (Chyler Leigh) asks Lena (Katie McGrath) and Brainiac (Jesse Rath) to team up. Meanwhile, J’onn (David Haredwood) questions his decision to quit the DEO. However, after running into Manchester Black (guest star David Ajala), he realizes there are a lot of ways to help his fellow aliens during this tumultuous time.”

Source: The CW