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

Just when you thought it was safe to flush, the Turbo Toilet 2000 strikes back! The carnivorous commode known for devouring everything in its path has built up a real appetite... for REVENGE! Luckily, the fate of humanity is once again in the hands of George and Harold and their annoying nemesis Melvin Sneedly. Will Wedgie Power prevail? Or will the amazing Captain Underpants be flushed away forever?

• Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot (Captain Underpants #12)
• Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers (Captain Underpants #10)
• Captain Underpants and the Terrifying Return of Tippy Tinkletrousers (Captain Underpants #9)
• Captain Underpants And The Preposterous Plight Of The Purple Potty People
• The Captain Underpants Extra-Crunchy Book o' Fun
• Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2: The Revenge of the Ridiculous Robo-Boogers (Captain Underpants #7): Color Edition
• The All New Captain Underpants Extra-Crunchy Book o' Fun 2
• Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1: The Night of the Nasty Nostril Nuggets (Captain Underpants #6)
• Captain Underpants and the Wrath of the Wicked Wedgie Woman: Color Edition (Captain Underpants #5)
• Captain Underpants and the Perilous Plot of Professor Poopypants: Color Edition (Captain Underpants #4)