...
He skips grades. She just skips
Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her out, as well as his arch-rival and neighbor, Mandark.
Dee-Dee has a new boyfriend who also likes science and Einstein, and soon the boy finds himself caught in a vicious tug of war...
Dexter is hit by a wrench while working on a device, and suffers amnesia, Dee Dee decides to mess with his head
Dexter and Mandark drill underground to expand their labs, but end up overlapping each other's work. They secretly devise a plan to destroy each other.
Dee Dee accidentally breaks down Dexter's lab, and she tries to not and let him know its broken.
Dad wants cable really bad, so Dexter illegally pirates cable for him.
When Dexter becomes the head of a library, he inforces the rules really hard, driving everyone crazy.
Dee Dee learns a new game that can ""predict peoples futures"". She uses it on Dexter, and finds out that the game REALLY DOES predict peoples futures...
A Monster starts roaming Dexter's lab, although Dexter doesnt know its just Dee Dee, who ate an apple in a failed lab experiment.
Dexte'rs father begins to sleepwalk, and accidently stumbles into Dexter's Lab
Dexter accidentally shrinks his parents, and puts them into a model of there house. Although the house isnt completed, so Dexter must find a way to reverse it before they know the truth.
Dexter creates a new invention and wears it on his head. It suddenly becomes the latest fashion craze at Huber elementry.
Dexter and Dee Dee realise when they work together, they make a pretty good team.
Dee Dee has a song stuck in her head. Literally.
Dee Dee's stuffed animals come to life and roam the house. Dee Dee and Dexter must get them before Mom and Dad find out.
Dexter creates an ink in which lets him command them to do whatever he wants them to do. Although when Mandark gets a hold of it, Dexter is the one being the slave.
Decxter and Mandark are both outperformed by a new girl attending the school, jealous, they become allies to deal with her.
Mom thinks she should spend quality time and watch Dexter in his chess comatition. Although, she really embarasses Dexter while hes there...
Dad gets fired from his job, and has to do the same job Mom does. He realises it isnt as easy as it looks.
Dexter goes on a quest. His quest is to reach the bathroom before he explodes.
When Dexter realises the power of the potato, he redesigns his lab to work on it.
