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 Wo

Irrepressible friends George and Harold create a new comic book superhero, Super Diaper Baby.

The Supa Buddies have been working hard to help Dog Man overcome his bad habits. But when his obsessions turn to fears, Dog Man finds himself the target of an all-new supervillain! Meanwhile, Petey the Cat has been released from jail and starts a new life with Li'l Petey. Los superamigos han estado trabajando duro para ayudar a Hombre Perro a superar sus malos habitos; pero cuando sus obsesiones se vuelven fobias, Hombre Perro se convierte en el...

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 they're funny, they meet up with their evil twins and must face their cleverest enemies ever -- themselves.

After his time-traveling deeds cause the destruction of the world by preventing Harold and George from creating Captain Underpants, Tippy Tinkletrousers tries to use his time machine to correct the situation, but it proves to be difficult to fix.

When Dav Pilkey began drawing pictures of an underwear-clad, wedgie-giving superhero as a second grader, his teacher said, "You'd better start taking life more seriously, because you can't spend the rest of your days making silly books!" Luckily for

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.