When Melvin’s Purple Potty device zaps George and Harold into an alternate universe, they must battle their evil twins and conquer Captain Blunderpants.
Captain Underpants and the Preposterous Plight of the Purple Potty People by Dav Pilkey, Paperback
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Captain Underpants and The Preposterous Plight of The Purple Potty People, Hobbies & Toys, Books & Magazines, Children's Books on Carousell
The Preposterous Plight of Captain Blunderpants, Captain Underpants Wiki
Captain Underpants and The Preposterous Plight of The Purple Potty People, Hobbies & Toys, Books & Magazines, Children's Books on Carousell
Barnes & Noble Captain Underpants and the Preposterous Plight of the Purple Potty People: Color Edition (Captain Underpants #8) by Dav Pilkey
The Adventures of Captain Underpants by Dav Pilkey (Paperback) - Kid's Korner
Captain Underpants and the Preposterous Plight of the Purple Potty People (Book 8)
Captain Underpants and the Preposterous Plight of the Purple Potty People: 8 & Captain Underpants and the Attack of the Talking Toilets: 2 Captain Underpants and Dav Pilkey : : Books
Captain Underpants #8: Captain Underpants and the Preposterous Plight of the Purple Potty People - Scholastic Shop
Captain Underpants - Wikipedia
Captain Underpants : 08 : Captain Underpants and the Preposterous Plight of the Purple Potty –