WThe Adventures of Captain UnderpantsWThe Adventures of Ook and GlukWThe Adventures of Super Diaper BabyWCaptain Underpants and the Attack of the Talking ToiletsWCaptain Underpants and the Big, Bad Battle of the Bionic Booger BoyWCaptain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space (and the Subsequent Assault of the Equally-Evil Lunchroom Zombie Nerds)WCaptain Underpants and the Perilous Plot of Professor PoopypantsWCaptain Underpants and the Preposterous Plight of the Purple Potty PeopleWCaptain Underpants and the Revolting Revenge of the Radioactive Robo-BoxersWCaptain Underpants and the Sensational Saga of Sir Stinks-A-LotWCaptain Underpants and the Terrifying Re-Turn of Tippy TinkletrousersWCaptain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000WCaptain Underpants and the Wrath of the Wicked Wedgie Woman