S4E4
Episode 4: Ahimsa
⚠ Spoiler alert This recap gives away what happens in this episode.
Episode Summary & Review
To heal Supergirl, Alex assigns Brainiac-5 and Lena to find a way to remove the Kryptonite from Earth’s atmosphere. Meanwhile, Mercy and Otis abduct aliens from a DEO facility and use them to attack children and spread fear, and Hank meets an ally in his fight.