Dexter's Laboratory

DeeDeemensional

Dexter falls victim to one of his own inventions and sends Dee Dee back in time to warn his past self about the consequences, but the past Dexter proves hard to convince.

Dial M for Monkey: Magmanamus

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

Maternal Combat

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 Dodgeball

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

Dial M for Monkey: Rasslor

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

Dexter's Assistant

In need of an assistant to operate his latest invention, Dexter performs a brain transplant on Dee Dee to make her smart enough to fulfill the role. With her new brain, Dee Dee proves to be more intelligent than Dexter.

Dexter's Rival

Mandark Astronomanov, a new student at Dexter's school, seems to be superior to Dexter academically. Mandark forces Dexter to shut down his lab so that Mandark's lab can gain more power. However, with the help of Dee Dee, Dexter manages to destroy Mandark's lab.

Dial M for Monkey: Simion

Monkey encounters Simion, an intelligent anthropomorphic chimpanzee who seeks vengeance on humans for turning him into his current state.

Old Man Dexter

Banned from watching a late-night movie due to his young age, Dexter uses his technology to artificially grow into adulthood, but Dee Dee tampers with his machine, causing Dexter to turn into an old man.

Double Trouble

Dee Dee and her friends, Lee Lee and Mee Mee, enter Dexter's lab and wreak havoc. Dexter clones himself to stop them, but the girls too make clones of themselves.

Dial M for Monkey: Barbequor

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

Changes

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

Jurassic Pooch

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

Beard To Be Feared

After a fright from Dee Dee, Dexter lays down in the beard growing machine and tries to grow a beard like his hero, Action Hank. Unfortunately, everyone thinks he's a hero.

Quackor The Fowl

Mandark doesn't know that his pet duck is really Quackor the Fowl, Monkey's rival. Quackor overhears Mandark talking in his sleep about destroying Dexter's lab and tries to do it, unaware that Monkey is Dexter's pet.

Ant Pants

Dexter prevents Dee Dee from destroying some ants. In order to teach her about ants, Dexter and Dee enter Dexter's ant farm. The ants think Dexter is a criminal and has him fight to the death with a stronger ant.

Mom and Jerry

Dexter switches his brain with a mouse, and must avoid his mother when she decides to exterminate him. A Parody of Tom and Jerry.

Chubby Cheese

At the Chubby Cheese pizza restaurant, Dexter wears a Chubby Cheese hat and tries to slow down the Whack The Weasel machine to win a stuffed Monkey doll before Dee Dee does.

That Crazy Robot

One of Dexter's robots becomes Dee Dee's servant when she removes a wrench that froze him up, but the robot is willing to destroy anyone who is mean to her or scolds her, including Dexter.

D & DD

When Dexter's friends tire of the complicated traps he sets up as Dungeon Master (he has their character's killed every time), they put Dee Dee in charge for a change of pace.

Hamhocks and Armlocks

Dexter's father gets challenged to an arm wrestling match against a local champion at a truck stop, when he causes the champion to lose for the first time, but refuses to do so even when he trashes the family car. He finally accepts the challenge when he slams the door in Mom's face. Dee Dee knows he'll get creamed, so Dexter builds him a robotic arm to help him win the match.

Hunger Strikes

Dexter uses radiation therapy so he can like vegetables, it actually causes him to only eat vegetables, also, the therapy has consequences if Dexter goes too long without them. He turns into a Parody of The Incredible Hulk without vegetables.

The Koos is Loose

Dee Dee's imaginary friend comes to life and annoys Dexter. Dexter ends up wishing him away, then he realizes he made a terrible mistake.

Morning Stretch

Dexter oversleeps and still has to finish his homework along with getting ready for school and eating breakfast, so he creates a helmet that expands thirty seconds into thirty minutes, but realizes that slowing down time is more detrimental than helpful. When he gets everything done, the helmet shuts off. But Dee Dee blocks his door causing him to miss the bus. When Dexter asks Dee Dee why, she replies "Snow Day, school's canceled!". Dexter realizes he did all that rushing around for nothing!

Dee Dee Locks and the Ness Monster

Dee Dee Locks and the Ness Monster—Dexter's mother forces Dexter to read to Dee Dee when she's sick, but she makes up her own story after being bored by Dexter's story (which was actually a science article). The story is completely mixed up and makes no sense. Dexter ends up catching Dee Dee's illness.

Backfire

Dexter fuses Dee Dee with the family car by accident, causing mayhem. A Parody of Herbie the Love Bug.

Book 'Em

Dexter accidentally takes a library book without checking it out, so he and Dee Dee try to put it back without being caught.

Sister's Got a Brand New Bag

Dee Dee's new dance annoys Dexter to no end.

Shoo, Shoe Gnomes

Dexter calls upon the "shoe gnomes" to repair his boots, but can't rid himself of them afterwards. The only way to get rid of them, according to Dee Dee, is to kick them in the butt. Dexter gets rid of the last one with his boot, but it's damaged again.

Lab of The Lost

Dexter ends up in the "old part of the lab" where his earliest inventions, long since forgotten, are not too happy to see him. They are mad at him for saying they were his greatest inventions, then moved on to another great invention.

Labels

Dexter and Dee Dee label everything in the house. When their parents get home, they mistake Dexter for Dee Dee (he had a Dee Dee label on his forehead), but he already blamed Dee Dee for the chaos.

Game Show

Dexter and Dee Dee compete against each other on a game show. Where Dexter can't seem to win.

Fantastic Boyage

Dexter tries to inject himself into Dee Dee to find a cure to the common cold, but ends up inside his dog. He believes Dee Dee has been infected with a dog virus. He is then mistaken for the first human virus to infect a dog by the vet.

Filet of Soul

When Dee Dee refuses to flush their gold fish down the toilet, the ghost of the fish haunts them.

Golden Diskette

Dee Dee and Dexter win a free pass to Professor Hawk's magic factory after finding the golden diskette.

Snowdown

Dad encourages Dexter to become the king of snow, as he was in his early days, until someone beated him.

*Figure Not Included

In an attempt to be popular with his ""friends"", Dexter makes his own Mayor Glory Action Figure.

Mock 5

In a whole parody of ""Speed Racer"", Dexter and Mandark compete on a race.

Ewww That's Growth

Dexter can't get into a roller coaster because he's too small so he makes himself taller.

Nuclear Confusion

Dee Dee steals the nuclear atom that Dexter needs to make his invention work, but she doesn't know that it will explode if Dexter doesn't find it on time.

Germ Warfare

Everybody except Dexter gets sick, so he makes himself a plastic bubble to get germ protection.

A Hard Day's Day

It's not a great day for science when Dexter has bad luck due to the position of the stars.

Road Rash

Mom makes Dexter go outside and ride a bike, thing that turns into a Dexter-Dee Dee chase.

Ocean Commotion

While at the beach, Dee Dee (who's wearing a mermaid swimsuit) gets captured by a maniac sailor so Dexter must rescue her.

The Bus Boy

Dexter must go to the back of the school bus to retrieve his pencil, where another kid got lost years ago.

The Justice Friends: Things That Go Bonk in the Night

Krunk stays awake all night watching The Puppet Pals Show Marathon, so his brain starts playing him tricks.

Ol' McDexter

Dexter is sent to summer camp, in a place far away from civilization.

Sassy Come Home

While the family is at the woods, Dexter goes searching for the Mighty Bigfoot, if Dee Dee doesn't find him first.

Photo Finish

Dexter must stop Dee Dee from showing some pictures (that she took earlier in Dexter's lab) to Mom.

Star Check Unconventional

Dexter and two friends go to the Star Check Convention, but certain confusion might send them to a different one.

Dexter is Dirty

To avoid the bath, Dexter decides to laminate himself.

Ice Cream Scream

Dexter will do anything to make the ice cream vendor stop to get some ice cream.

Streaky Clean

Dexter creates a device to keep his clothes clean.

A Dad Cartoon

Dad decides to give the car a retouch.

Sole Brother

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

Mind Over Chatter

Dexter uses a device to listen to what Dad is thinking, but the experiment backfires and everyone else can hear what Dexter is thinking.

A Quackor Cartoon

Quackor returns to battle Monkey in Dexter's Lab.

Momdark

Mandark disguises as Mom in order to get into Dexter's Lab.

Copping an Attitude

Because of his exceptional grades Dexter's school and parents have decided that he can go to college. At first Dexter is happy to be there so he can fill his mind with college knowledge, but in the end the students influence on Dexter allows him to do college pranks sending him a one way ticket back to Huber Elementary School.

A Failed Lab Experiment

Dexter creates a device taht doesn't work the way he wanted.

The Grand Daddy Of All Inventions

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!

Poppa Wheely

It's career day and Dexter is ashamed of his Dad so he creates a Dad that looks more like him.

A Mom Cartoon

Mom spends a day at the supermarket.

The Mock Side Of The Moon

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

If Memory Serves

Fearing that his memory might be limited, Dexter uses a device to save all his memories.

Beau Tie

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...

Remember Me

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

Overlabbing

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.

Sis-Tem Error

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

Bad Cable Manners

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

Dexter's Library

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

The Scrying Game

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...

Monstrosi-Dee Dee

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

Dad Man Walking

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

Dexter's Little Dilemma

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.

Faux Chapeau

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

D²

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

Head Band

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