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.

Captain Underpants and the Preposterous Plight of the Purple Potty People Pilkey

Captain Underpants And The Preposterous Plight Of The Purple Potty People #8 Full Color

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

All Captain Underpants Books, Ranked Best to Worst

Captain Underpants and the Preposterous Plight of the Purple Potty People by Dav Pilkey, Paperback

The Adventures of Captain Underpants by Dav Pilkey (Paperback) - Kid's Korner

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

Captain Blunderpants, Captain Underpants Wiki

Captain Underpants #8: Captain Underpants and the Preposterous Plight of the Purple Potty People - Scholastic Shop

Captain Underpants : 08 : Captain Underpants and the Preposterous Plight of the Purple Potty –

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