When A.J. and his friends sign up for Beaver Scouts, they find that their scout leader, Miss Blake, is only interested in preparing them for emergency disasters.
Second-grade graduate A.J. and his family rent a beach house, but summer vacation is ruined when annoying Andrea shows up and develops a crush on the lifeguard.
When boring Mr. Loring retires, A.J.'s class gets a new music teacher who raps, break-dances, and thinks he has what it takes to become a famous musician.
A.J. and his classmates are convinced that new school librarian, Mrs. Roopy, has multiple personality disorder because she keeps pretending to be famous people.
On picture day at Ella Mentry School, the strange new photographer wants to turn A.J. into a supermodel and the Picture Day Zombie makes an appearance.
Mr. Docker, a new science teacher, is a crazy inventor who blows things up, uses potatoes for power, and has A.J. and his friends wondering whether science is for nerds or is the coolest subject ever.
A.J. and his friends are in for a wild adventure when their school bus gets a flat tire and their driver, Mrs. Kormel, gets lost in the middle of nowhere.
Even though people say Mrs. Patty, the school secretary, is a witch and her husband is a ghost, A.J. decides to take the risk and trick or treat at their house because they are known to give out the best Halloween candy in town.
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.
The new lunch lady at Ella Mentry School, Ms. LaGrange, writes secret messages in the mashed potatoes and tries her best to get A.J. and the other students to eat healthy foods.
When peanut butter and jelly sandwiches start disappearing from the Ella Mentry School cafeteria, the security guard, Officer Spence, goes too far when he starts arresting people and applying lie-detector tests to find the thief.
A.J. is planning a big birthday to celebrate turning 9 and his parents even hire a party planner named Mr. Marty. Mr. Marty orders some weird stuff to celebrate though.