Captain Underpants and the Terrifying Return of Tippy Tinkle Trousers

Captain Underpants and the Terrifying Re-Turn of Tippy Tinkle Trousers is the ninth novel in the Captain Underpants series.

George Beard and Harold Hutchins are the main characters in the book, who now have to deal with a rude bully Kipper Krupp in their school, who just happens to be the nephew of the cruel Principal of the Jerome Horwitz Elementary School. This book is about how George and Harold manage to stay out of trouble in school and how they would go about beating the bully himself.