#1 The Adventures of Captain Underpants
#2 Captain Underpants and the Attack of the Talking Toilets
#3 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)
#4 Captain Underpants and the Perilous Plot of Professor Poopypants
#5 Captain Underpants and the Wrath of the Wicked Wedgie Woman
#6 Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1―The Night of the Nasty Nostril Nuggets
#7 Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 2―The Revenge of the Ridiculous Robo-boogers
#8 Captain Underpants And the Preposterous Plight of the Purple Potty People
#9 Captain Underpants and the Terrifying Return of Tippy Tinkletrousers
#10 Captain Underpants and the Revolting Revenge of the Radioactive Robo-boxers
#11 Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000
#12 Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot