The Adventures of Captain Underpants
When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper, where they must defeat his evil robot henchmen.
Big Jim Believes
Captain Underpants: The First Epic Manga
Captain Underpants and the Attack of the Talking Toilets
Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space
Captain Underpants and the Wrath of the Wicked Wedgie Woman
Captain Underpants and the Perilous Plot of Professor Poopypants