Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1: The Night of the Nasty Nostril Nuggets (Captain Underpants #6) (6)

Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers

Captain Underpants And The Preposterous Plight Of The Purple Potty People

Captain Underpants and the Wrath of the Wicked Wedgie Woman (Captain Underpants #5)

Captain Underpants and the Perilous Plot of Professor Poopypants

Captain Underpants and the Terrifying Return of Tippy Tinkletrousers (Captain Underpants #9)

Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space (and the Subsequent Assault of the Equally Evil Lunchroom Zombie Nerds)

Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers (Captain Underpants #10)

Captain Underpants and the Attack of the Talking Toilets

Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000 (Captain Underpants #11)

Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2 (Pt.2)