The monstrous Turbo Toilet 2000 is determined to take revenge on George, Harold, and Captain Underpants.
First color edition.
New York : Scholastic Inc., 
220 pages : colour illustrations ; 22 cm.
Captain Underpants. 11, Captain Underpants and the tyrannical retaliation of the Turbo Toilet 2000
Publisher, pagination and printing dates may vary.
Originally published with monochrome illustrations: New York : Scholastic Inc., 2014.
Captain Underpants ; 11
Subjects:Beard, George (Fictitious character) -- Juvenile fiction.
Captain Underpants (Fictitious character) -- Juvenile fiction.
Hutchins, Harold (Fictitious character) -- Juvenile fiction.
Monsters -- Juvenile fiction.
School principals -- Juvenile fiction.
Superheroes -- Juvenile fiction.
Other Authors:Barba, Corey, colorist.
Garibaldi, Jose, colorist.