| Novels |
The Adventures of Captain UnderpantsTemplate:·w Attack of the Talking ToiletsTemplate:·w Cafeteria Ladies from Outer SpaceTemplate:·w Perilous Plot of Professor PoopypantsTemplate:·w Wrath of the Wicked Wedgie WomanTemplate:·w Big, Bad Battle of the Bionic Booger Boy (Parts 1 & 2)Template:·w Preposterous Plight of the Purple Potty PeopleTemplate:·w The Terrifying Return of Tippy Tinkletrousers |
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| Activity Books |
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| Collectors' editions | |
| Spin-offs | |