To prevent this, George hypnotizes Krupp with a 3D Hypno Ring he received out of a cereal box; the boys see that Krupp bears a resemblance to Captain Underpants without his toupee and command him to be Captain Underpants.
To prevent this, George hypnotizes Krupp with a 3D Hypno Ring he received out of a cereal box; the boys orders their principal to act like a chicken and a monkey. Finally, they see that Krupp bears a resemblance to Captain Underpants without his toupee and command him to be Captain Underpants.