The CW has released the episode description for the 20th episode of Supergirl season 2. The episode is titled “City of Lost Children”.
When an alien attacks National City, Supergirl (Melissa Benoist) and the DEO learn the alien is a Phorian, an otherwise peaceful race with telekinetic powers. Guardian (Mehcad Brooks) gets a lead on the Phorian’s address but instead of finding the culprit, he finds a very scared boy named Marcus (guest star Lonnie Chavis). Marcus will only trust James so it is up to Guardian to stop the attacks on the city. Rhea’s (Teri Hatcher) plan escalates.
Gabriel Llanas & Anna Musky-Goldwyn did teleplay for the story by Robert Rovner. The episode is directed by Ben Bray. Supergirl Season 2 Episode 20 airs on May 8 at 8|7c on The CW.