Pilkey, Dav

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

A snotty situation ensues when Melvin Sneedley, an academically-gifted student, turns into the Bionic Booger Boy and must be stopped by George, Harold, and Captain Underpants.

Captain Underpants and his friends, having dispatched Melvin Sneedley, the Bionic Booger Boy, must join the fray again when they realize they have forgotten about Sneedley's sidekicks, the Robo-Boogers.

"When Dog Man is sent to the pound for a crime he didn't commit, his friends work to prove his innocence"--OCLC.

Crackers and Sulu, the Bionic Hamster, finds themselves in a backwards universe where George and Harold's own evil twins rule the school with the help of the wicked Captain Blunderpants.

"The Supa Buddies bamboozled the baddies, but all's not right in the world. Dog Man has a new problem to pound, and he's going to need his entire pack to help him. Will he go barking up the wrong tree?"--OCLC.

When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper, where they must defeat his evil robot henchmen.

"Dog Man has been working hard to overcome his bad habits, but when his obsessions turn to fears, he finds himself the target of an all-new supervillain, while Petey the Cat, who was just released from jail, starts a new life with Li'l Petey"--OCLC.

"When a new bunch of baddies bust up the town, Dog Man is called into action--and this time he isn't alone. With a cute kitten and a remarkable robot by his side, our heroes must save the day by joining forces with an unlikely ally: Petey, the World's Most Evil Cat. But can the villainous Petey avoid vengeance and venture into virtue?"--OCLC.

"Dog Man, ... the heroic hound with a real nose for justice, now has a furry feline sidekick, and together they have a mystery to sniff out! When a new kitty sitter arrives and a glamorous movie starlet goes missing, it's up to Dog Man and Cat Kid to save the day! Will these heroes stay hot on the trail, or will Petey the world's most evil cat send them barking up the wrong tree?"--Provided by publisher.