Distributor U.S. Release
Tells the story of two overly imaginative pranksters named George and Harold, who hypnotize their principal into thinking he’s a ridiculously enthusiastic, incredibly dimwitted superhero named Captain Underpants.
the official version from foxmovies.com on February 23, 2017
Revolves around a couple of precocious fourth graders named George Beard and Harold Hutchins. Looking to get back at nasty, student-hating principal Mr. Benny Krupp, the boys hypnotize the principal and cause him to become Captain Underpants.
verbatim from deadline.com on October 23, 2011