Meet George Beard and Harold Hutchins, two fourth-grade pranksters who love to create comic books. Their mean principal, Mr. Krupp, is always trying to stop their fun. After hypnotizing Mr. Krupp, George and Harold accidentally turn him into Captain Underpants, a superhero who fights villains in his underwear and a cape! Together, they face silly villains like Dr. Diaper and the evil Talking Toilets in this hilarious, illustrated adventure about friendship and creativity.