While her teacher Miss Splinter is lecturing her second-grade class about the exotic animals, clowns, and other performers they are watching at the circus, Emeline accidentally becomes part of the show.
The entries in the journals of two sixth grade students reveal much about their personal feelings, family lives, and a growing interest in poetry sparked by their new substitute teacher.
When her substitute teacher realizes she is struggling in math, Judy is sent to a math tutor at the local college and soon is completely into the spirit of college life.
The Bailey School kids set out to discover whether Eddie's new math tutor (who is also a juggler for the Bailey City Summer Festival) is really a sea serpent.
When her substitute teacher realizes she is struggling in math, Judy is sent to a math tutor at the local college and soon is completely into the spirit of college life.
After learning that her favorite teacher will be leaving for a trip to Egypt and will be absent for the remainder of the year, Clementine devises a plan to get rid of the substitute and get Mr. D'Matz to stay.
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.
When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper, where they must defeat his evil robot henchmen.
When a struggling student teacher assigns a group project, seven-year-old Just Grace gets so involved in working with Grace W. and Grace F. that she fails to understand why she and her best friend, Mimi, are drifting apart.
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.
