The Bailey School kids believe that the new pizza place, with its medieval theme and a man dressed as a knight, has a fire-breathing dragon as its cook.
Every class has to come up with an idea for a booth at the school carnival. Too bad your class has chosen your idea: a dunking booth and they want you to be the one who gets dunked!
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.
When his teacher requires that everyone in class take part in the talent show, a boy asks his mother for suggestions and she insists he start taking piano lessons.
Enjoying a special luau at Camp Lone Wolf, the kids are convinced that one of the hula dancers is the legendary wolfman! Harry Groto has yellow eyes, long fingernails, and a scary growl--he even gets hungry when the Moon is full.
Eddie and his friends are having a blast at the spring carnival. But a tiny woman who sells t-shirts is scaring some of them away--she's got bright red hair, pointy ears, a squeaky voice, and yells at the kids--just like a mean troll.
Stuart makes a magical cape out of some old ties and has a series of adventures, and then he wears the cape to his first day of third grade at his new school, in the hope that it will help him.