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...

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Dexter is hit by a wrench while working on a device, and suffers amnesia, Dee Dee decides to mess with his head

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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.

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Dee Dee accidentally breaks down Dexter's lab, and she tries to not and let him know its broken.

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Dad wants cable really bad, so Dexter illegally pirates cable for him.

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When Dexter becomes the head of a library, he inforces the rules really hard, driving everyone crazy.

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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...

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A Monster starts roaming Dexter's lab, although Dexter doesnt know its just Dee Dee, who ate an apple in a failed lab experiment.

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Dexte'rs father begins to sleepwalk, and accidently stumbles into Dexter's Lab

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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.

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Dexter creates a new invention and wears it on his head. It suddenly becomes the latest fashion craze at Huber elementry.

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Dexter and Dee Dee realise when they work together, they make a pretty good team.

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Dee Dee has a song stuck in her head. Literally.

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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.

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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.

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Decxter and Mandark are both outperformed by a new girl attending the school, jealous, they become allies to deal with her.

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Mom thinks she should spend quality time and watch Dexter in his chess comatition. Although, she really embarasses Dexter while hes there...

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Dad gets fired from his job, and has to do the same job Mom does. He realises it isnt as easy as it looks.

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Dexter goes on a quest. His quest is to reach the bathroom before he explodes.

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When Dexter realises the power of the potato, he redesigns his lab to work on it.

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Dexter is tired of wearing glasses, so he uses laser surgery on his eyes to make him have 1/20 vision. Although, he learns than no human should be able to see THIS well...

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Dee Dee goes over to Mandark's house to baby sit him, and Mandark likes that idea.

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Mandark drops technology and starts being more in touch with nature.

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Dexter decides its better if him and Mandark work together, although in the end Dexter does all the work while Mandark does nothing

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Dexter is tired of being short, since his old plan of growing himself didnt work, he decides to make everyone shorter than him.

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This takes place in the future, where Old Man Dexter tells about his ""glory days"". And Old lady Dee Dee keeps on adding her opinions as well...

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When Dee Dee accidentally chops off her pigtail, Dexter gives her some hair growth potion. Although when she uses it, her hair floods the entire house.

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When Dexter's Computer gets Laryngitus, Dexter must find a replacement voice for her.

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Dexter refuses to see that blonde's have more fun, so he dyes Dee Dee's hair to prove it.

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Dexter finds out that all of Mandark's plans are taken from a comic book. This way, he can get ready.

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Dexter and his dad enter a Golf tournament, with Dad eager to get his hands on the Trophy, but there is one problem: he is hopeless at Golf, so Dexter decides to help with a remote controlled Golf ball

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Dexter, Monkey, The Justice Freinds, Dee-Dee, her imaginary freind Coosie, Mandark, his parents, and Dexter's Parents participate in a cross-country race

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Monkey narrates a documentry of the future of Laboratories and sciences.

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Dexter catches the chicken pox, and Dee Dee tells him a ridiculous tale that if he keeps scratching them, he will turn into an evil chicken. His nonstop scratching eventually does just that.

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Dexters parents accidentally sell Dexter's latest invention, and it is bought by Mandark.

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Dee Dee starts layin' down the Judo on Dexter, then Dexter learns how to fight back.

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Dexter falls in love with a new girl at his school, but decides to impress her with poetry rather than science.

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When Dee Dee sees an Ostrage at the Zoo, she wants one of her own as a pet.

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