Harold and George's crazy creation is back — in an adventure that's WEDGIER than ever! He defeated Dr Nappy. He terminated the talking toilets. But is Captain Underpants ready for three massive, tentacled space aliens (in disguise)? Has he met his match in the Giant Man-Eating Dandelion of Doom...?

Fourth graders George Beard and Harold Hutchins invent the wedgie-powered superhero Captain Underpants in the first book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man! George and Harold are a couple of class clowns. The only thing they enjoy more than playing practical jokes is creating their own comic books. And together they've created the greatest superhero in the history of their elementary school: Captain Underpants! His true identity is SO secret, even HE doesn't know who he is!

George and Harold have created an evil, super-powerful monster. She's mean - and she's having a REALLY bad hair day. With the help of her robots, the Wicked 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! Watch out!

George and Harold's nemesis Melvin Sneedly goes from snooty to snotty in the sixth book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man! George and Harold are up to their old tricks again, and when their latest prank makes a direct hit on school brainiac Melvin, he decides to get even! But in the blink of an eye -- and the sneeze of a nose -- the Bionic Booger Boy is born! Can Captain Underpants clean up this catastrophe, or will the mucous monster make a mess of things?

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.

Harold and George's crazy creation is back! Captain Underpants defeated Dr Nappy and terminated the terrible talking toilets. But is he ready to take on three massive space aliens in disguise? And has he finally met his match in a battle with the Giant Man-Eating Dandelion of Doom?

When their alien spaceship lands on the roof of Jerome Horwitz Elementary School, Zorx, Klax, and Jennifer plan to take over the Earth, using school children as their zombie nerd henchmen.