When Professor Pippy P. Poopypants comes to Jerome Horwitz Elementary School to teach science, and he goes off the deep end because students make fun of his name, only Captain Underpants can save the school from the professor's perilous plot.

George and Harold have really done it this time-- they've created a monster! She's faster, smarter, and more evil than anything the world has seen before--she's Wedgie Woman! With the help of her horrible robots and her horrendous hairdo, Wedgie Woman is on a mission to take over the world, and she'll give a whopping wedgie to anyone who stands in her way--including Captain Underpants.

When the teachers of Ella Mentry School go on strike, A. J. and the gang meet a new principal who does not believe in rules and says that the students do not have to learn anything if they do not want to.

"Molly gets things stuck in her head sometimes. When she sees a jar of candy on Principal Shelton's desk, she absolutely needs to know how many candies are in that jar! Luckily, her two best friends, Simon and Rosie, are ready to help her find the answer--even if it means detention for all of them!"--

"Funny, charming, and rebellious." —James Riley, New York Times bestselling author of The Story Thieves series and the Revenge of Magic series

In Enchantasia, becoming a legendary prince or princess doesn't happen overnight. Enter Royal Academy, the training ground for the fairy tale leaders of tomorrow!

But Devin has major reservations about her new school and her royal future. How can she be a princess and the best creature caretaker

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Harold and George's time-traveling Purple Potty lands them in an alternate universe where everything seems delightful, but evil lurks just beneath the surface, and leads to a battle between Captain Underpants and his own evil twin. --

It's a new school year with the same old problems: the school is going to run out of money! A local engineering competition might just keep them funded for another year. Can Millie and her friends Pearl and Halinka invent a way out of the mess? With some guidance from their eccentric headmistress Miss Bunsen, anything seems possible.

It's a new school year at Minecrafters Academy, and Lucy is returning -- this time not as a student, but as headmaster. She sets to work preparing the school for the Overworld Academic Olympics, a prestigious competition that will test their combat, treasure hunting, and potions brewing skills. But training is interrupted when an explosion rocks the campus. The school is under attack from a mysterious culprit --and everyone is a suspect.

George, Harold, Captain Underpants, and Sulu the bionic hamster battle the three ridiculous Robo-Boogers in an attempt to turn the Bionic Booger Boy back into Melvin Sneedly.

Principal Krupp once again turns into the superhero Captain Underpants in order to save the world, and Jerome Horwitz Elementary School, from the evil talking toilets and the Turbo Toilet 2000.