Maggie devises a new game for her little brother Pupert to play so he can beat Aldrin at something, but when Aldrin starts to get the hang of the game things take an unexpected turn for the worse.
Maggie and Rayna try to get their science partners who are really smart to do all the work for an assignment, but when it comes time to present the projects something unexpected happens.
Maggie wants a slumber party with Rayna, but her parents tell her she's much too young to have a sleepover without them around. But Maggie decides to have the party anyway.
Maggie's favorite spelling team, The Spelling Bees, are holding auditions for a new speller. But the newcomer has to be a bee. Maggie disguises herself as a bee and miraculously, gets accepted. But is it too good to be true?
Maggie's, Eugene's, Wendell's, Rayna's, Gym Shorts Kid's and the Stinkbug's school records are sabotaged when Dawn becomes office assistant, giving her access to the school records department.
The gang heads to the human world to go trick-or-treating but Pubert gets a little high on sugar and Maggie gets a little high on trying to get more candy then Aldrin.
Maggie volunteers to become a child's mentor, but has some regrets about the decision when she's matched up with a cranky cocoon. But it's all worth it in the end.
Maggie joins Principal Peststrip's crusade to stop an anonymous kid DJ who was gained unauthorized access to the school's radio station, a job that Maggie really wanted.