Dexter creates the ultimate robot to replace his Robo-Dexo 2000.

Dexter accidentally becomes Dee Dee’s foot when the two fuse together. Now, they have to wait 24 hours to reverse the fusion.

When Dee Dee eats a contaminated apple, she turns into a monster every time when she tells Dexter what to do.

When Dexter and his friends go looking for a “Star Check” convention, they accidentally end up at a “Darbie” doll convention.

Following a mishap in his lab, Dexter ends up in the old, long-abandoned part of the lab, and discovers his early, neglected inventions.

Peltra wants to turn Monkey into a fur coat.

The U.S. army invades Dexter’s lab under the mistaken impression that aliens are using it as a base of operations on Earth, and Dexter must convince them that this is actually his lab, and also has to keep this a secret from Dee Dee.

While fighting Comrade Red and his gang, Krunk falls in love with his equivalent in their gang, She-Thing (Kath Soucie).

After she expresses her desire to become a Pony Puff Princess, Dexter transforms Dee Dee into a horse with pink fur, and a yellow tail and mane.

A little girl with big eyes falls in love with Dexter and follows him everywhere after he returns a toy she dropped earlier, much to his chagrin.

When his mother falls ill, Dexter creates a robot to do her chores. Dee Dee gets hold of its remote control and wreaks havoc, forcing Dexter to create a second robot to counter Dee Dee’s.

Dexter and Mandark team up to fight asteroids that are heading towards the Earth.

To prevent himself from being taken away by aliens for experimentation, Dexter tricks Dee Dee into going instead, but he regrets his decision after realizing how much he cares for her.

Monkey’s birthday party is interrupted by Barbequor (Robert Ridgely), an intergalactic villain who plans to eat the planets, and his sidekick, the Silver Spooner (Rob Paulsen).

When Dee Dee claims that anything can be hers because Dexter “doesn’t have his name on it”, he invents a label-making gun.

Dexter tries to move the Moon, which is blocking Saturn and its “science waves” (which is what makes it a “good day for science”).

When Dexter cannot get the ice cream truck to stop for him, he creates a series of obstacles to do so.

When Dexter’s glasses break, he creates a new fad (wearing broken glasses) and becomes extremely popular at his school.

When Dexter cannot reach anything in his lab, he makes himself more flexible by combining himself with bubble gum.

Dexter’s father tries to watch a golf tournament, but is constantly interrupted by his wife, Dexter, and Dee Dee.

Dexter and Koos must save Peepers to keep the land of Kooz from disappearing. However, they must contend with a villain who is determined to make the land of Kooz disappear forever.

Dexter creates a satellite to clean stains off of his clothes, but it goes horribly wrong when Mir space station hits the satellite that Dexter created and the satellite becomes damaged, causing the fabric beneath each stain to be eliminated as well.

Dexter invents a robot parrot that happily repeats self-congratulatory comments he makes, but when it starts repeating things about his lab and escapes, he sets out to destroy it before it tattles to his parents.

Dexter and his friend Douglas Mordecai must enter the girls’ bathroom to retrieve Dexter’s lunchbox, which was put in there by another student.