While sitting in detention, George and Harold accidentally create an army of evil talking toilets, and Principal Krupp's alter ego, Captain Underpants, has to save the world from it.
Only Captain Underpants can stop the three evil space aliens who have invaded Jerome Horwitz Elementary School and turned everyone into lunchroom zombie nerds.
A small mouse named Ricky Ricotta and his best friend, a giant flying robot, save the world from Victor Von Vulture and his vicious voodoo vultures from Venus.
Ricky Ricotta, a small mouse, and his best friend, the giant Mighty Robot, attempt to save the Earth when an evil martian, Major Monkey, and his mechanical creations attack.
A set of four novels from Dav Pilkey's humorous series about Ricky Ricotta, who befriends the Mighty Robot and battles sinister space monsters and enemies.
