When we last saw our heroes, George and Harold, they had been turned into evil zombie nerds doomed to roam a devastated, post-apocalyptic planet for all eternity. But why, you might ask, didn't the amazing Captain Underpants save the boys from this frightening fate? Because Tippy Tinkletrousers and his time-travelling hijinks prevented George and Harold from creating Captain Underpants in the first place! Now, having changed the course of human history...

"A brand-new graphic novel series by Dav Pilkey, the internationally bestselling author and illustrator of the Dog Man and Captain Underpants series. In Cat Kid Comic Club, Li'l Petey, Flippy, and Molly introduce twenty-one rambunctious, funny, and talented baby frogs to the art of comic making. As the story unwinds with mishaps and hilarity, readers get to see the progress, mistakes, and improvements that come with practice and persistence."--Provided...

Not so long ago, George and Harold created the greatest super-hero in the history of their school, and brought him to life by mistake. Meet Captain Underpants. Now the boys have accidently created an army of evil, vicious talking toilets.

Only Captain Underpants can stop the three evil space aliens who have invaded Jerome Horwitz Elementary School and turned everyone into lunchroom zombie nerds.

When a new sitter arrives and a movie star goes missing, Dog Man and Cat Kid investigate, but Petey, the world's most evil cat, complicates their case.

When Harold and George turn fourth-grade teacher Ms. Ribble into the evil Wedgie Woman, she gives the wedgie of doom to unsuspecting people who stand in her way--including principal-turned-superhero Captain Underpants.

Noseholes and elephants! A pet-eating monster interrupts a perfect playdate with Princess Sneezewort . . . but who is that new masked avenger? Princess Magnolia and Princess Sneezewort have plans . . . mysterious plans, like a princess playdate! They dress-up slam! They karaoke jam! They playhouse romp and snack-time stomp! But then a shout from outside Princess Sneezewort's castle interrupts their fun. It's a monster trying to eat someone's kitty!...

A sleepy Princess in Black takes a much-needed vacation and rides her bicycle to the seaside, where she plans to nap in a hammock, but her peace is disrupted by a roaring sea monster.

When a goo monster crashes the science fair, the Princess in Black is on the job, and with the help of the Princess in Blankets, sets out to save the science fair.

"The Princess in Black and her friends are enjoying a day of sun and sea on Princess Sneezewort's royal boat when a real, live mermaid princess emerges from the waves! Eeeeeee! Princess Posy needs their help protecting her very cute sea goats from being eaten by a very greedy kraken. But the princesses and the Goat Avenger quickly realize that fighting underwater can be tough for land dwellers, and only the mermaid Princess Posy can save the day....