Captain Underpants and the Preposterous Plight of the Purple Potty People - Wikipedia

Watch The Epic Tales of Captain Underpants

Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot, Captain Underpants Wiki

Captain Underpants and the Preposterous Plight of the Purple Potty

Captain Underpants, Super Diaper Baby and Deputy Doo Doo!

The Adventures of Captain Underpants, Captain Underpants Wiki

Captain Underpants and the Preposterous Plight of the Purple Potty

Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000, Captain Underpants Wiki

Captain Underpants and the Preposterous Plight of the Purple Potty

Melvin Sneedly, Captain Underpants Wiki

FALL 2012 - Scholastic

Mr. Krupp, Captain Underpants Wiki

Captain Underpants and the Preposterous Plight of the Purple Potty

Is there a reason behind the release gaps between book 8 and 9? : r/ CaptainUnderpants