Library - TV Shows - Dexter's Laboratory
Dexter's Laboratory
Episode List
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0x1 - Dexter's Laboratory
Dexter and Dee Dee test his latest invention: a device that turns people into animals, which yields crazy results.
0x5 - Ego Trip
When Dexter is attacked by Robots hunting "The one who saved the future", he becomes fascinated by the possibility of what he will be in several years time, taking the Time Machine. Dexter arrives in the future where he finds many things have changed...and that his greatest invention holds the key to total tranquility around the world, but in the hands of evil, also holds the key to total domination of the world
0x6 - Rude Removal
Dexter invents the Rude Removal System, a machine to remove the rudeness from Dee Dee.
0x8 - Secret Formula
1x1 - DeeDeemensional
In "Deedeemensional", Dee Dee time-travels to save Dexter from a monster. In "Magmanamus", Monkey goes up against a lava being that dislikes human-caused noise. In "Maternal Combat", when his mother falls, Dexter creates a robot mom to substitute for her.
1x2 - 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.
1x3 - 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.
1x4 - Dexter Dodgeball
Dexter is forced to play dodgeball by his P. E. teacher. Constantly failing, Dexter builds a robotic exoskeleton to defend himself.
1x5 - Dial M for Monkey: Rasslor
Intergalactic wrestling champion Rasslor challenges Earth's superheroes, including Monkey, with the planet's fate at stake.
1x6 - 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.
1x7 - 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.
1x8 - Dial M for Monkey: Simion
Monkey encounters Simion, an intelligent anthropomorphic chimpanzee who seeks vengeance on humans for turning him into his current state.
1x9 - 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.
1x9 - 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.
1x10 - 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.
1x10 - 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.
1x11 - 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.
1x11 - 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.
1x12 - Changes
Rerun of "Dexter's Laboratory", the first "What a Cartoon!" pilot.
1x13 - Jurassic Pooch
To clone a dinosaur with an incomplete DNA sequence, Dexter uses his dog's genetic code to fill in the gaps.
1x14 - Dial M For Monkey: Orgon Grindor
While on a date with Agent Honeydew, Monkey gets hypnotized by the music of the Organ Grindor who commands him to rob Fort Knox.
1x15 - Dimwit Dexter
Due to overworking his brain, Dexter's mind shuts down, making him act idiotic.
1x16 - Dee Dee's Room
After Dee Dee steals his critical invention, Dexter ventures into her room to find it.
1x17 - Dial M For Monkey: Huntor
Monkey encounters an alien hunter named Huntor and must fight him to save Agent Honeydew and Commander Chief.
1x18 - The Big Sister
Rerun of the second "What a Cartoon!" pilot.
1x19 - Star Spangled Sidekicks
Dexter and Dee Dee enter tryouts to become Major Glory's sidekick. When Dee Dee wins, Dexter realizes that fancy costumes are not the only criterion to become a superhero.
1x20 - The Justice Friends: TV Super Pals
With only one television in their apartment, Major Glory, Krunk, and Valhallen disagree on what to watch: Major Glory's televised capture of the Disgruntled Postman, TV Puppet Pals, or the monster truck pull.
1x21 - Game Over
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 cartridge, and it is up to Dee Dee to bring him out.
1x22 - Babysitter Blues
Dexter has a crush on his teenage babysitter Lisa. When he finds out that she has a boyfriend, he sabotages their relationship and accelerates his age by ten years in an attempt to win her heart.
1x23 - The Justice Friends: Valhallen's Room
Valhallen loses his magic ax and starts turning into a nerd, forcing Major Glory and Krunk to enter his room to find it.
1x24 - Dream Machine
When Dexter's nightmares become frequent and problematic, he invents a machine that allows him to have nice dreams, as long as Dee Dee can operate it properly while she is awake.
1x25 - Dollhouse Drama
Suspicious that Dee Dee has not entered his lab even once on a particular day, Dexter shrinks himself and enters her room to spy on her. He soon becomes an unwilling character in Dee Dee's doll story, but he believes the story to be real.
1x26 - The Justice Friends: Krunk's Date
While fighting Comrade Red and his gang, Krunk falls in love with his equivalent in their gang, She-Thing.
1x27 - The Big Cheese
Dexter's new device allows him to study for the next day's French test while sleeping. It malfunctions, causing a single phrase -omelette du fromage- to repeat throughout the night, causing Dexter to wake up the next morning speaking nothing else except "omelette du fromage".
1x28 - Way of the Dee Dee
Dee Dee teaches Dexter how to live life her way instead of being lonely and purely focused on science.
1x29 - The Justice Friends: Say Uncle Sam
Major Glory forces Krunk and Valhallen to tidy up their apartment for his Uncle Sam, who is coming over for a visit.
1x30 - Tribe Called Girl
To learn more about girls, Dexter camouflages himself and enters Dee Dee's room, where she is having a sleepover with her friends Lee Lee and Mee Mee. He gets caught by the girls, who force him to take part in their activities.
1x31 - Spacecase
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.
1x32 - The Justice Friends: Ratman
To fix their apartment's plumbing, Krunk and Valhallen go to the basement, where they meet Ratman, a diminutive vigilante raised by rats (a parody of Batman).
1x33 - Dexter's Debt
Dexter's lab is threatened with repossession unless he can repay his debt to NASA. When Dee Dee wins the same amount in a lottery, he decides to steal her money out of desperation.
1x34 - The Justice Friends: Bee Where?
Major Glory, Krunk, and Valhallen try to rid their apartment of a bee.
1x35 - Mandarker
Following the destruction of his lab by Dexter and Dee Dee (in the episode Dexter's Rival), Mandark turns to magic to beat Dexter at the science fair.
1x36 - Inflata Dee Dee
Dee Dee inflates Dexter's hydro-plasmatic suit and constantly floats in the air, prompting Dexter to bring her down.
1x37 - The Justice Friends: Can't Nap
After fellow Justice Friend White Tiger helps Valhallen stop a super-villain, the latter invites him to spend the night in his apartment, forgetting that Major Glory is allergic to cats.
1x38 - Monstory
Not interested in hearing Dee Dee's long-winded story, Dexter gives her a silencing formula to keep her quiet, but it instead turns her into a giant monster still bent on telling her story. When he realizes that nothing can make her quiet, he becomes a giant monster himself.
1x39 - Monstory RCVR
2x1 - 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.
2x2 - 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.
2x3 - 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.
2x4 - 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.
2x5 - 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.
2x6 - 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.
2x7 - 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.
2x8 - 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.
2x9 - 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.
2x10 - 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.
2x11 - 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!
2x12 - 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.
2x13 - Backfire
Dexter fuses Dee Dee with the family car by accident, causing mayhem. A Parody of Herbie the Love Bug.
2x14 - 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.
2x15 - Sister's Got a Brand New Bag
Dee Dee's new dance annoys Dexter to no end.
2x17 - 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.
2x18 - 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.
2x19 - Game Show
Dexter and Dee Dee compete against each other on a game show. Where Dexter can't seem to win.
2x20 - 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.
2x21 - Filet of Soul
When Dee Dee refuses to flush their gold fish down the toilet, the ghost of the fish haunts them.
2x22 - Golden Diskette
Dee Dee and Dexter win a free pass to Professor Hawk's magic factory after finding the golden diskette.
2x23 - Snowdown
Dad encourages Dexter to become the king of snow, as he was in his early days, until someone beated him.
2x24 - *Figure Not Included
In an attempt to be popular with his ""friends"", Dexter makes his own Mayor Glory Action Figure.
2x25 - Mock 5
In a whole parody of ""Speed Racer"", Dexter and Mandark compete on a race.
2x26 - Ewww That's Growth
Dexter can't get into a roller coaster because he's too small so he makes himself taller.
2x27 - 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.
2x28 - Germ Warfare
Everybody except Dexter gets sick, so he makes himself a plastic bubble to get germ protection.
2x29 - 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.
2x30 - Road Rash
Mom makes Dexter go outside and ride a bike, thing that turns into a Dexter-Dee Dee chase.
2x31 - 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.
2x32 - The Bus Boy
Dexter must go to the back of the school bus to retrieve his pencil, where another kid got lost years ago.
2x33 - 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.
2x34 - Ol' McDexter
Dexter is sent to summer camp, in a place far away from civilization.
2x35 - 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.
2x36 - Photo Finish
Dee Dee photographs Dexter's secret lab.
2x37 - Star Check Unconventional
Dexter and two friends go to the Star Check Convention, but certain confusion might send them to a different one.
2x38 - Dexter is Dirty
To avoid the bath, Dexter decides to laminate himself.
2x39 - Ice Cream Scream
Dexter will do anything to make the ice cream vendor stop to get some ice cream.
2x40 - Decode of Honor
Dexter and Dee Dee get their Action Hank and Pony Puff Secret Codes mixed up.
2x41 - World's Greatest Mom
Dexter newest creation gives Mom super powers.
2x42 - Ultrajerk 2000
Dexter's robot takes over his lab.
2x43 - Techno Turtle
Dexter heals a turtle by giving him loads of modern, techno stuff.
2x44 - Surprise!
Dexter makes himself invisible to make sure Mom and Dad give him what he wants for his birthday, the Ultimate Mayor Glory Action Figure.
2x45 - Got Your Goat
Dexter and Dee Dee go to South America in order to find the chupacabras, an animal that Dexter created.
2x46 - Dee Dee Be Deep
Dee Dee, who's not exactly good at singing, gets Dexter's help on getting a better voice, but not the voice Dexter was expecting.
2x47 - 911
When Dexter's favorite show gets interrupted by an emergency, he searches all town trying to find it and solve so regular broadcast returns.
2x48 - Down in the Dumps
Dexter and Dee Dee go to the dumps to retrieve Dee Dee's lost teddy bear.
2x49 - Unfortunate Cookie
Dexter and Dee Dee get trapped with a Finger trap.
2x50 - The Muffin King
Dexter and Dee Dee must stop Dad from eating Mom's muffins.
2x51 - Picture Day
Dexter finds out he's ugly, so he transforms his face to look better for the school photo.
2x52 - Now That's a Stretch
Dexter combines himself with bubble gum to become more stretchable.
2x53 - Dexter Detention
Dexter is send to detention after a confusion during a test.
2x54 - Don't Be a Baby
Dexter and Dee Dee want to become older, but instead they make everyone else a baby.
2x55 - Dial M For Monkey: Peltra
A new female villian named Peltra wants Monkey's Coat.
2x56 - G.I.R.L. Squad
Dee Dee, LeeLee and MeeMee become crimefighters, but of course they will not actually fight crime.
2x57 - Sports a Poppin'
Dad wants to show Dexter the joy of sports.
2x58 - Koos a la Goop a Goop
Koosy tells Dee Dee that he is the king of the land of Koos, but when Dee Dee goes there...
2x59 - Project Dee Dee
Dee-Dee refuses any kind of help from Dexter on her science project, when Dee-Dee shows Dexter her show-and-tell product, he criticises it heavily and offers his own..contributions
2x60 - Topped Off
Surprised of the results coffee causes on Mom and Dad, Dexter and Dee Dee decide to try it themselves.
2x61 - Dee Dee's Tail
Dexter uses his science to turn Dee Dee into a horse.
2x62 - No Power Trip
Dexter overloads the energy of the laboratory, so he makes numerous tries to reload it.
2x63 - Sister Mom
After Dexter did something really bad at school, he gets her mother called, so to not ruin his reputation, he turns Dee Dee into Mom.
2x64 - The Laughing
After Dexter gets bitten by a clown, he turns into one every night.
2x65 - Dexter's Lab: A Story
On his way home, Dexter gets followed by a labrador, when he teaches him to speak, the dog becomes even more annoying.
2x66 - Coupon For Craziness
A confusion at the supermarket makes Dexter go home with a different, yet extremely scientific, family; but who is home with his real family?
2x67 - Better Off Wet
Dexter is afraid of taking a dive at the pool because Dad always pushes him.
2x68 - Critical Gas
After Dexter eats a giant burrito he believes he's going to die, so he makes a list of everything he must do before that time comes. (Including, make Mom and Dad happy, do dishes, free Robots, make World Peace, end World's hunger, learn to dance, make Dee Dee happy, shut down the Main System... and tell Mom and Dad about the secret laboratory).
2x69 - Let's Save the World You Jerk!
Dexter and Mandark must team up in order to save the Earth from a meteor rain.
2x70 - Average Joe
After an I.Q. test defines Dexter as ""average"", he decides to live an average life hanging out with an average boy of last name Smith.
2x71 - Rushmore Rumble
Dexter and Mandark mechanize the giant figures of Lincoln and Washington from the Mount Rushmore statues and wreak havoc with them.
2x72 - A Boy and His Bug
Dexter creates a small bug that eats all the scrap metal caused by Dee Dee's destruction.
2x73 - You Vegetabelieve It!
Dexter's untested formula causes all plants in the garden to become dangerous.
2x74 - Aye Aye Eyes
After Dexter returns a bunny to a little girl with big round eyes, she starts following Dexter everywhere.
2x75 - Dee Dee and the Man
After Dexter ""fires"" Dee Dee, he realizes that his lab needs chaos.
2x76 - Old Flame
Dexter travels to the past to meet the caveman that discovered fire.
2x77 - Don't Be a Hero
Dexter attempts to make numerous accidents to get super powers.
2x78 - My Favorite Martian
Dexter goes to Mars to find alien life forms.
2x79 - Paper Route Bout
Dee Dee and the Ninja Clan battle for who delivers the newspapers in the neighborhood.
2x80 - The Old Switcharooms
After Dexter and Dee Dee destroy Dad's bowling trophy, they are sent to each other's room.
2x81 - Trick or Treehouse
Dee Dee builds a treehouse in the garden and Dexter can't stop wondering what's up there.
2x82 - Quiet Riot
Dexter worked all night on his inventions so all he wants is some sleep, but Dee Dee will make sure that that doesn't happen.
2x83 - Accent You Hate
Dexter and his friends Lucky and Pierre(¿?) are victims of a bully that hates kids with funny accents.
2x84 - Catch of the Day
Numerous factors like getting up early, being the first ones there, fishing clothes and other accesories, will not allow Dexter and his Dad to go on a fishing trip.
2x85 - Dad is Disturbed
Constant interruptions by Dexter, Dee Dee and Mom will not let Dad watch his golf game.
2x86 - Framed
After Dexter breaks his glasses, he starts a new fashion at school.
2x87 - That's Using Your Head
Dexter meets a bum at an appliance store with a strange device on his head.
2x88 - DiM
Dexter goes to the appliance store to buy a lightbulb for his lab.
2x89 - Just an Old Fashioned Lab Song...
Dexter takes piano classes from a man that looks a lot like Paul Williams.
2x90 - Repairanoid
When an electricist comes to repair the house, Dexter discovers that if he repairs the lab it will function perfectly.
2x91 - Sdrawkcab
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.
2x92 - The Continuum of Cartoon Fools
Dee Dee keeps getting into Dexter's lab even though Dexter keeps throwing her out.
2x93 - Sun, Surf, and Science
Mandark tries to impress Dee Dee by getting into a surfing contest.
2x94 - Big Bots
Dexter makes Dee Dee a robot for herself, at the same time a volcano is going to burst on an island in the middle of the ocean.
2x95 - Gooey Aliens That Control Your Mind
Dexter must save his family after they get possesed by aliens.
2x96 - Misplaced in Space
Dee Dee must save Dexter who is a slave in a distant galaxy.
2x97 - Dee Dee's Rival
Dee Dee and Lalavava (Mandark's sister), compete on a ballet contest.
2x98 - Pslyghtly Psycho
It's Mother's Day and Mom can't take that Dad, Dee Dee and Dexter do all the housework.
2x99 - Game For a Game
Dexter and Dee Dee compete in various games chosen by Dexter.
2x100 - Blackfoot and Slim
A documentary shows the secret lives of Dexter and Dee Dee, also known as Blackfoot and Slim.
2x101 - Trapped With a Vengeance
Dexter stays at school too much, forcing the janitor to stay as well, so he waits for a day in which Dexter has to leave early for an emergency, as he plans his revenge...
2x102 - The Parrot Trap
Dexter must stop his mechanical parrot before his imitations reveal the secret of his lab.
2x103 - Dexter and Computress Get Mandark!
Dexter and Computress team up in order to shrink Mandark's head.
2x104 - The Justice Friends: Pain in the Mouth
Krunk gets a nacho stuck in his tooth and Mayor Glory wants to take it out himself while Valhallens insists on taking Krunk to the dentist.
2x105 - Dexter Vs. Santa's Claws
Dexter must prove to Dee Dee that Santa Claus doesn't exist.
2x106 - Dyno-Might
When Blue Falcon appears with a destroyed Dynomutt, Dexter decides to build a new one.
2x107 - LABretto
The story of how Dexter was born and how he built his lab, in the style of a musical.
2x108 - Last But Not Beast
Dexter must save Japan from being destroyed by a monster, but his robot must be controlled by four people to function correctly, so Dexter must tell Dee Dee... and his parents.
3x1 - Streaky Clean
Dexter creates a device to keep his clothes clean.
3x2 - A Dad Cartoon
Dad decides to give the car a retouch.
3x3 - Sole Brother
After a failed mutation experiment, Dexter becomes Dee Dee's foot.
3x4 - 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.
3x5 - A Quackor Cartoon
Quackor returns to battle Monkey in Dexter's Lab.
3x6 - Momdark
Mandark disguises as Mom in order to get into Dexter's Lab.
3x7 - 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.
3x8 - A Failed Lab Experiment
Dexter creates a device taht doesn't work the way he wanted.
3x9 - 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!
3x10 - Poppa Wheely
It's career day and Dexter is ashamed of his Dad so he creates a Dad that looks more like him.
3x11 - A Mom Cartoon
Mom spends a day at the supermarket.
3x12 - The Mock Side of the Moon
Dexter travels to the moon and finds aliens that are planning to come to Earth to take everything.
3x13 - If Memory Serves
Fearing that his memory might be limited, Dexter uses a device to save all his memories.
3x14 - A Mandark Cartoon
Mandark plans another scheme to get rid of Dexter.
3x15 - Tele Trauma
Tired of missing his favorite TV shows because of studying, Dexter creates a special helmet that absorbs all the TV info.
3x16 - A Boy Named Sue
How did a young child called Susan became the being now known as Mandark? Born to free spirits, and with a passionate determination to harness the forces of science for his own ends, this is his story...
3x17 - Lab on the Run
Two robots escape from Dexter's lab in order to have a better life.
3x18 - Dos Boot
Mandark gets in Dexters computer raving havok, so Dexter must stop him.
3x19 - A Dee Dee Cartoon
After being kicked out of Dexter's Lab (AGAIN) She goes and plays in her ""lab"".
3x20 - Would You Like That In The Can
A girl accidentally takes Dexter's lunchbox, so Dexter and his friend must go into the girls bathroom to get it.
3x21 - That Magic Moment
Dexter's Magic Uncle Ferger 'O Reiley pays a visit.
3x22 - A Silent Cartoon
Dexter is trying to build his lab blue, but Dee Dee keeps making it pink.
3x23 - Opposites Attract
Dexter creates a magnetic field to keep Dee Dee away from him.
3x24 - Comic Relief
Dexter creates a special device that lets him create his own life-like superhero comic... along with his sister villian ""Deestructa"".
3x25 - A Third Dad Cartoon
Dad goes with the kids to play some golf.
3x26 - RoboDexo 3000
Dexter creates the ultimate robot (RoboDexo 3000) to replace his previous 200 model.
3x27 - Glove at First Sight
Mom and Dad recall the moments that got them together.
3x28 - A Mom & Dad Cartoon
Mom and Dad are having a discussion while playing scrabble, a discussion that Dexter and Dee Dee don't interpretate the right way.
3x29 - Smells Like Victory
The U.S. army invades Dexter's lab and Dexter fights them, each side thinking the other is a troop of aliens.
3x30 - Oh, Brother
Dexter uses his newest creation to turn Dee Dee into a boy, but the male version of Dee Dee (Doo Dee) is not as cool as Dexter it would.
3x31 - Another Dad Cartoon
While Mom, Dexter and Dee Dee are out shopping, Dad decides to spend the afternoon dancing... like Tom Cruise in Risky Business.
3x32 - Bar Exam
Dexter must pass a physical bar exam if he wants to pass P.E.
3x33 - Jeepers, Creepers, Where is Peepers?
Dexter and Koosy must save Peepers, otherwise the whole land of Koz will disappear.
3x34 - Go, Dexter Family, Go!
Dexter and his family are kidnapped by aliens, Dexter leads his family in an escape attempt, but when Dexter is captured once more, Mom, Dad, and Dee-Dee attempt to save him.
3x35 - Scare Tactics
Dexter and Dad watch a late night horror movie and spend a scary night in their house.
3x36 - My Dad vs. Your Dad
Both Dexter and Mandark's fathers intercede during another of Dexter and Mandark's petty squabbles, but their effort to get along with one another backfire, and the two also soon engage in a heated fight.
3x37 - My Dad vs Your Dad RCVR
4x1 - 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...
4x2 - Remember Me?
Dexter is hit by a wrench while working on a device, and suffers amnesia, Dee Dee decides to mess with his head
4x3 - 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.
4x4 - Sis-Tem Error
Dee Dee accidentally breaks down Dexter's lab, and she tries to not and let him know its broken.
4x5 - Bad Cable Manners
Dad wants cable really bad, so Dexter illegally pirates cable for him.
4x6 - Dexter's Library
When Dexter becomes the head of a library, he inforces the rules really hard, driving everyone crazy.
4x7 - 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...
4x8 - 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.
4x9 - Dad Man Walking
Dexte'rs father begins to sleepwalk, and accidently stumbles into Dexter's Lab
4x10 - 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.
4x11 - Faux Chapeau
Dexter creates a new invention and wears it on his head. It suddenly becomes the latest fashion craze at Huber elementry.
4x12 - D²
Dexter and Dee Dee realise when they work together, they make a pretty good team.
4x13 - Head Band
Dee Dee has a song stuck in her head. Literally.
4x14 - Stuffed Animal House
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.
4x15 - Used Ink
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.
4x16 - School Girl Crushed
Decxter and Mandark are both outperformed by a new girl attending the school, jealous, they become allies to deal with her.
4x17 - Chess Mom
Mom thinks she should spend quality time and watch Dexter in his chess comatition. Although, she really embarasses Dexter while hes there...
4x18 - Father Knows Least
Dad gets fired from his job, and has to do the same job Mom does. He realises it isnt as easy as it looks.
4x19 - Dexter the Barbarian
Dexter goes on a quest. His quest is to reach the bathroom before he explodes.
4x20 - Tuber Time
When Dexter realises the power of the potato, he redesigns his lab to work on it.
4x21 - Sore Eyes
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...
4x22 - Babe Sitter
Dee Dee goes over to Mandark's house to baby sit him, and Mandark likes that idea.
4x23 - Mountain Mandark
Mandark drops technology and starts being more in touch with nature.
4x24 - 2Geniuses 2Gether 4Ever
Dexter decides its better if him and Mandark work together, although in the end Dexter does all the work while Mandark does nothing
4x25 - Height Unseen
Dexter is tired of being short, since his old plan of growing himself didnt work, he decides to make everyone shorter than him.
4x26 - Bygone Errors
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...
4x27 - Folly Calls
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.
4x28 - Voice Over
When Dexter's Computer gets Laryngitus, Dexter must find a replacement voice for her.
4x29 - The Blonde Leading the Blonde
Dexter refuses to see that blonde's have more fun, so he dyes Dee Dee's hair to prove it.
4x30 - Comic Stripper
Dexter finds out that all of Mandark's plans are taken from a comic book. This way, he can get ready.
4x31 - Tee Party
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
4x32 - Dexter's Wacky Races
Dexter, Monkey, The Justice Freinds, Dee-Dee, her imaginary freind Coosie, Mandark, his parents, and Dexter's Parents participate in a cross-country race
4x33 - The Lab of Tomorrow
Monkey narrates a documentry of the future of Laboratories and sciences.
4x34 - Chicken Scratch
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.
4x35 - Garage Sale
Dexters parents accidentally sell Dexter's latest invention, and it is bought by Mandark.
4x36 - They Got Chops
Dee Dee starts layin' down the Judo on Dexter, then Dexter learns how to fight back.
4x37 - Poetic Injustice
Dexter falls in love with a new girl at his school, but decides to impress her with poetry rather than science.
4x38 - Comedy of Feathers
When Dee Dee sees an Ostrage at the Zoo, she wants one of her own as a pet.