Captain Underpants and the Preposterous Plight of the Purple Potty

When Melvin’s Purple Potty device zaps George and Harold into an alternate universe, they must battle their evil twins and conquer Captain Blunderpants.

When George and Harold use their traveling purple potty to travel to another dimension where the school is nice and the principal, Mr. Krupp, thinks

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Captain Underpants and the Preposterous Plight of the Purple Potty People: Color Edition (Captain Underpants #8) (Color Edition): Pilkey, Dav, Pilkey, Dav: 9781338271515: Books

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Captain Underpants and the Preposterous Plight of the Purple Potty People (Book 8)

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Captain Underpants and the Preposterous Plight of the Purple Potty People (#8) by Dav Pilkey

Captain Underpants and the Preposterous Plight of the Purple Potty People (Captain Underpants #8) Book Review and Ratings by Kids - Dav Pilkey

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