Supergirl › Season 2

S2 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. Rhea's plan escalates.

Air date	May 8, 2017
Runtime	42 minutes
TMDB rating	★ 6.9/10