Openly Straight Captain Underpants and the Wrath of the Wicked Wedgie Woman The Fifth Epic Novel Captain Underpants and the Invasion of the Incredible Naughty Cafeteria Ladies from Outer Space (and the Subsequent Assault of the Equally Evil Lunchroom Zombie Nerds Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot Captain Underpants and the Terrifying Return of Tippy Tinkletrousers Captain Underpants and the Perilous Plot of Professor Poopypants The Fourth Epic Novel The Adventures of Captain Underpants An Epic Novel Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000 Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy The night of the nasty nostril nuggets Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy The night of the nasty nostril nuggets: the sixth epic novel Captain Underpants and the Attack of the Talking Toilets Super Diaper Baby 2 The Invasion of the Potty Snatchers
