Mrs. Meyer from the local fire department comes to Ella Mentry School to teach the kids about fire safety, but Mrs. Meyer likes fire just a little too much.

A.J. and his friends get a Personal Digital Assistant named Miss Porter as a substitute teacher, who can order pizza and tell endless jokes, but grows power-hungry when her system is changed and tries to take over Ella Mentary School.

When Mr. Will, the local ice cream man, brings treats to the students at Ella Mentry School, Dr. Carbies will stop at nothing to ensure no one breaks his latest rule banning desserts.

A.J. and the Ella Mentry School gang learn some unusual self-defense moves from a wacky teacher who thinks he is an action hero -- Publisher.

When Ella Mentry School invites a local dentist to speak on National Dessert Day, A.J. and his friends uncover the dentist's secret plot to promote cavities for more business.

A local college professor comes to Ella Mentry School to help students learn basic history and improve their scores on a standardized test, using some very unusual techniques.

Miss Daisy's unusual teaching methods surprise her second grade students, especially reluctant learner A.J.

Ella Mentry School counselor Dr. Brad believes wisecracking A.J. may be a genius and subjects him to some very weird tests to find out for sure.

When the students of Ella Mentry School receive a million-dollar donation and vote to create an in-school, state-of-the-art TV station so the morning announcements can be broadcast to all the classes, A.J. and the gang wonder about the agenda of their new teacher, Ms. Cuddy, who decides the announcement ratings are too low and has some quirky ideas about how to increase the station's popularity.

Ella Mentry School's newest teacher, Mrs. Lizzy, has some very strange ideas about learning during recess.