While Petey the Cat has reevaluated what matters most in his life, Li'l Petey is struggling to find the good in the world.

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.

A paperboy and his dog enjoy the quiet of the early morning as they go about their rounds.

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

It's Ricky Ricotta's birthday, and as a special treat, his parents are taking him and his Mighty Robot to see dinosaurs at the museum. Too bad they've also invited Ricky's little cousin Lucy--she's a real pest! When they get to the museum, all the dinosaurs are missing their heads . . . because an evil spacebunny from Jupiter has used the dino DNA to create Jurassic Jack Rabbits! Now it's up to the entire Ricotta family, including Lucy, to stop them...

A monstrous mutt terrorizes the residents of Mousopolis.

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

When Professor Poopypants becomes their new science teacher, George and Harold almost cause the entire planet to be taken over by a maniacal, mad-scientist guy in a giant robot suit.

Whenever Dragon wakes up groggy, he always does everything wrong, like sweeping a hole in his dirt floor, or reading an egg and frying his newspaper.

George and Harold have created the greatest super-hero in the history of their school and now they're about to bring him to life. Meet Captain Underpants! His true identity is so secret, even he doesn't know who he is.