Supergirl Season 2 Episode 20
City of Lost Children
When an alien attacks National City, Supergirl and the DEO learn the alien is a Phorian, an otherwise peaceful race with telekinetic powers. Guardian gets a lead on the Phorian's address but instead of finding the culprit, he finds a very scared boy named Marcus. Marcus will only trust James so it is up to Guardian to stop the attacks on the city. Rhea's plan escalates.
Guest Stars
Katie McGrath
Lena Luthor
Teri Hatcher
Rhea
Lonnie Chavis
Marcus
Lauren Gibson
Woman
Dominique Toney
Erika