In "Deedeemensional", Dee Dee time-travels to save Dexter from a monster. In "Magmanamus", Monkey goes up against a l...

Monkey must defend the city from a giant underground lava monster, Magmanamus, who cannot sleep because of the noise ...

When his mother falls ill, Dexter creates a robot to do her chores. Dee Dee gets hold of its remote control and wreak...

Dexter is forced to play dodgeball by his P. E. teacher. Constantly failing, Dexter builds a robotic exoskeleton to d...

Intergalactic wrestling champion Rasslor challenges Earth's superheroes, including Monkey, with the planet's fate at ...

In need of an assistant to operate his latest invention, Dexter performs a brain transplant on Dee Dee to make her sm...

Mandark Astronomanov, a new student at Dexter's school, seems to be superior to Dexter academically. Mandark forces D...

Monkey encounters Simion, an intelligent anthropomorphic chimpanzee who seeks vengeance on humans for turning him int...

Banned from watching a late-night movie due to his young age, Dexter uses his technology to artificially grow into ad...

Dee Dee and her friends, Lee Lee and Mee Mee, enter Dexter's lab and wreak havoc. Dexter clones himself to stop them,...

Monkey's birthday party is interrupted by Barbequor an intergalactic villain who plans to eat the planets, and his si...

Rerun of "Dexter's Laboratory", the first "What a Cartoon!" pilot.

To clone a dinosaur with an incomplete DNA sequence, Dexter uses his dog's genetic code to fill in the gaps.

While on a date with Agent Honeydew, Monkey gets hypnotized by the music of the Organ Grindor who commands him to rob...

Due to overworking his brain, Dexter's mind shuts down, making him act idiotic.

After Dee Dee steals his critical invention, Dexter ventures into her room to find it.

Monkey encounters an alien hunter named Huntor and must fight him to save Agent Honeydew and Commander Chief.

Rerun of the second "What a Cartoon!" pilot.

Dexter and Dee Dee enter tryouts to become Major Glory's sidekick. When Dee Dee wins, Dexter realizes that fancy cost...

With only one television in their apartment, Major Glory, Krunk, and Valhallen disagree on what to watch: Major Glory...

Dexter and Dee Dee's father buys a video game for them to play, but the game sucks Dexter inside when he plugs in the...

Dexter has a crush on his teenage babysitter Lisa. When he finds out that she has a boyfriend, he sabotages their rel...

Valhallen loses his magic ax and starts turning into a nerd, forcing Major Glory and Krunk to enter his room to find it.

When Dexter's nightmares become frequent and problematic, he invents a machine that allows him to have nice dreams, a...

Suspicious that Dee Dee has not entered his lab even once on a particular day, Dexter shrinks himself and enters her ...

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

Dexter's new device allows him to study for the next day's French test while sleeping. It malfunctions, causing a sin...

Dee Dee teaches Dexter how to live life her way instead of being lonely and purely focused on science.

Major Glory forces Krunk and Valhallen to tidy up their apartment for his Uncle Sam, who is coming over for a visit.

To learn more about girls, Dexter camouflages himself and enters Dee Dee's room, where she is having a sleepover with...

To prevent himself from being taken away by aliens for experimentation, Dexter tricks Dee Dee into going instead, but...

To fix their apartment's plumbing, Krunk and Valhallen go to the basement, where they meet Ratman, a diminutive vigil...

Dexter's lab is threatened with repossession unless he can repay his debt to NASA. When Dee Dee wins the same amount ...

Major Glory, Krunk, and Valhallen try to rid their apartment of a bee.

Following the destruction of his lab by Dexter and Dee Dee (in the episode Dexter's Rival), Mandark turns to magic to...

Dee Dee inflates Dexter's hydro-plasmatic suit and constantly floats in the air, prompting Dexter to bring her down.

After fellow Justice Friend White Tiger helps Valhallen stop a super-villain, the latter invites him to spend the nig...

Not interested in hearing Dee Dee's long-winded story, Dexter gives her a silencing formula to keep her quiet, but it...