Plot summary
Beast Boy tries to prank Cyborg, but Starfire is accidentally targeted. She stops talking to him as a result. The Titans deal with a pair of brothers known as Thunder and Lightning, whose version of having fun is causing chaos in the city. The duo is approached by a mystic sage, who teaches them how to amplify their powers using an assortment of twigs and leaves. The sage, however, uses magic to animate the burning sticks as a monster. The Titans fight the monster off before it reaches town. Beast Boy attempts to break through to Thunder while Robin faces off against the sage, who turns out to be Slade. Villain(s): Thunder and Lightning, Slade
Credits
Adapted from Wikipedia contributors, Teen Titans season 1. HTML formatting and reference markers removed.