When George and Harold use their traveling purple potty to travel to another dimension where the school is nice and the principal, Mr. Krupp, thinks they're funny, they meet up with their evil twins and must face their cleverest enemies ever -- themselves.
year: 2012
call number/section: 1000
subjects: captain underpants (fictional character), fiction, comic books, strips, etc, caricatures and cartoons, schools, school superintendents and principals