Teen Titans Episode 16 - Terra Episode Title:Terra.Episode Description:The Titans meet Terra, a teenage girl with the elemental ability to mentally control, manipulate and reshape the earthly materials around her, and invite her to stay with the Titans, much to Beast Boy's delight. A seemingly great addition to the team, Terra later confesses to Beast Boy about her inability to control her strong abilities. While on a mission with the Titans, Terra is confronted by Slade, who knows her secret and taunts her with it. Terra later leaves after the rest of the Titans learn her secret, with the assumption that Beast Boy had told.