When a villain turns buildings into monsters that can eat anything in their path, Petey the cat's clone L'il Petey steps in to save the day, while Dog Man works to remain the top crimefighter in the city.

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.

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

George and Harold create a new comic book hero in Dog Man, a crimefighter with the head of a police dog and the body of a policeman, who faces off against his archnemesis Petey the cat.

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.

"The comic club is going in all different directions! Naomi, Melvin, and siblings are each trying to find their purpose. Naomi has an idea to get rich quick that causes a lot of commotion and emotion. And when faced with rejections, the friends try and try again to stay true to their vision. To top it off, a surprise visitor comes to class to stir things up. Will a desire for money and power cloud Naomi's purpose? Is it quitting time? Will the club...

"Flippy, Molly, Li'l Petey, and twenty-one baby frogs each have something to say. Naomi and Melvin don't see eye to eye and Poppy perceives the world differently than her siblings. Will the baby frogs figure out how to work together and appreciate one another's point of view -- both inside and outside the classroom?"--