They sound like bad guys, they look like bad guys ... and they even smell like bad guys. But Mr. Wolf, Mr. Piranha, Mr. Snake, and Mr. Shark are tired of being the villains. Mr. Wolf has a daring plan for the Bad Guys' first good mission. They are going to break two hundred dogs out of the Maximum Security City Dog Pound. Will Operation Dog Pound go smoothly? Will the Bad Guys become the Good Guys? And will Mr. Snake please stop swallowing Mr. Piranha?!...

After being sent to jail for the rest of their lives, George and Harold are taken on a trip back in time by Tippy Tinkletrousers, back to their kindergarten days and they must deal with their bully without the help of Captain Underpants -- Publisher.

When fifteen-year-old Will is rejected by battleschool, he becomes the reluctant apprentice to the mysterious Ranger Halt, and winds up protecting the kingdom from danger.

"April 8th. According to the hideous driver's license my father, Zeus, saddled me with when he changed me from the awesome god Apollo to the pathetic mortal Lester, that's my new birthday. The same day the emperors Caligula and Commodus plan to attack Camp Jupiter, the training ground for Roman demigods. Oh, and did I mention it's also the blood moon, when an evil king intends to unleash his army of the undead upon us, too? And the guest of honor...

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.

ThunderClan's darkest hour is upon them and Fireheart, the warrior cat, must protect his clan from a threat unlike any the forest has ever seen, as the time comes for prophecies to unfold and heroes to rise.

Infuriated by the declaration that Pluto is no longer a planet, President Penguin and his penguins invade Earth and it is up to Ricky and his robot pal to defeat them--with some help from Ricky's cousin Lucy and her pets.

All the other dogs make fun of Oscar the dachshund until one Halloween when, dressed as a hot dog, Oscar bravely rescues the others.

A mouse named Ricky Ricotta and his giant flying robot attempt to save the world from an invasion of massive mutant mosquitoes from Mercury.

Evil Uncle Unicorn attempts to dominate earth by using a Ladybot to trick Mighty Robot. Learn how to draw Ricky, Ricky's Robot, Uncle Unicorn, a uranium unicorn, and Ladybot.