Big Dog and Little Dog are canine companions who stick together through thick and thin. In this, their first adventure, Big Dog and Little Dog are hungry! And as any good dog knows, friends who chow down together nap together. With simple text, graphic illustrations, and tongue-in-cheek humor, Dog Man creator Dav Pilkey taps into the joys of childhood friendships through his tales of two lovable dog pals.

George and Harold are forced to contemplate a world without Captain Underpants.

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

Ricky Ricotta, a small mouse, saves a giant robot from his evil creator, Dr. Stinky, and in turn, the robot protects Ricky from the bullies at school and it saves the city from Dr. Stinky's plan to destroy it.

"When best friends Big Dog and Little Dog go out for a walk, they run into a sticky situation. How dirty can two dogs get on one short walk? Very!" "Cuandao Perrazo y Perrito, dos grandes amigos, salen a pasear, se ven en una situación pegajosa. ¿Se pueden ensuciar tanto en un paseo tan corto? ¡Parece que sí!"

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. By flipping the pages, the reader may view animated illustrations.

George, Harold, Captain Underpants, and Sulu the bionic hamster battle the three ridiculous Robo-Boogers in an attempt to turn the Bionic Booger Boy back into Melvin Sneedly.

The monstrous Turbo Toilet 2000 is determined to take revenge on George, Harold, and Captain Underpants.

Hot diggity dog! Dog Man is back -- and this time he's not alone. 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?

George and Harold have really done it this time--they've created a monster! She's faster, smarter, and more evil than anything the world has seen before--she's Wedgie Woman! With the help of her horrible robots and her horrendous hairdo, 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--including Captain Underpants.