The All New Captain Underpants Extra-Crunchy Book o' Fun 2
Captain Underpants And The Preposterous Plight Of The Purple Potty People
Wacky Word Wedgies and Flushable Fill-ins (Captain Underpants Movie)
Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000 (Captain Underpants #11)
Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers (Captain Underpants #10)
The Adventures of Ook and Gluk, Kung-Fu Cavemen From the Future (Captain Underpants)
Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot (Captain Underpants #12)
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 Big, Bad Battle of the Bionic Booger Boy, Part 1: The Night of the Nasty Nostril Nuggets (Captain Underpants #6) (Pt.1)
Captain Underpants and the Terrifying Return of Tippy Tinkletrousers (Captain Underpants #9)