Dexter meets a bum at an appliance store with a strange device on his head.

Dexter creates a belt that can have its wearer do everything backwards, only to get in trouble when Dee Dee manages to get control of the time directional switch.

After a failed mutation experiment, Dexter becomes Dee Dee's foot.

Dexter's mom takes him to his grandpa's house. At first he thinks it's going to be a boring day until he discovers that his grandpa has a secret lab!

Dexter travels to the moon and finds aliens that are planning to come to Earth to take everything.

Dexter creates a special device that lets him create his own life-like superhero comic... along with his sister villian ""Deestructa"".

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.

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

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

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...

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