Supergirl S02 E20 City Of Lost Children

Supergirl S02 E20 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. Meanwhile, Rhea’s plan escalates.