Dexter's Laboratory

Dexter's Laboratory

79 Episodes4 Seasons

Watch Dexter's Laboratory Show Online full episodes for Free. Stream cartoon Dexter's Laboratory Show series online with HQ high quality.

Sign in to save

Season 1

1

Dexter’s Laboratory Episode 1 DeeDeemensional / Magmanamus / Maternal Combat

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. Magmanamus: Monkey must defend the city from a giant underground lava monster, Magmanamus (Brad Garrett), 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.

22 min

2

Dexter’s Laboratory Episode 2 Dexter Dodgeball / Rasslor / Dexter’s Assistant

Dexter Dodgeball: Dexter is forced to play dodgeball by his P. E. teacher (Michael Pataki). Constantly failing, Dexter builds a robotic exoskeleton to defend himself. Rasslor: Intergalactic wrestling champion Rasslor ("Macho Man" Randy Savage) 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.

22 min

3

Dexter’s Laboratory Episode 3 Dexter’s Rival / Simion / Old Man Dexter

Dexter's Rival: Mandark Astronomanov, a new student at Dexter's grade school, seems to be superior to Dexter academically. Mandark compels Dexter to shut down his lab so that Mandark's lab can gain more power. Simion: Monkey encounters Simion (Maurice LaMarche), an intelligent anthropomorphic chimpanzee who seeks vengeance on humans for turning him into his current state. Old Man Dexter: After being banned by his parents from watching a late-night movie due to his youth, Dexter uses his technology to age into adulthood. Dee Dee tampers with his machine, causing Dexter to turn into an elderly version of himself.

22 min

4

Dexter’s Laboratory Episode 4 Double Trouble / Barbequor / Dexters Laboratory (Changes)

Double Trouble: Dee Dee and her friends, Lee Lee and Mee Mee, enter Dexter's lab and wreak havoc. When Dexter clones himself to stop them, the girls too make clones of themselves. Barbequor: 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). Dexters Laboratory (Changes): Rerun of "Dexter's Laboratory", the first What a Cartoon! pilot.

22 min

5

Dexter’s Laboratory Episode 5 Jurassic Pooch / Orgon Grindor / Dimwit Dexter

Jurassic Pooch: While attempting to clone a dinosaur with an incomplete DNA sequence, Dexter uses his dog's genetic code to fill in the gaps. Orgon Grindor: While on a date with Agent Honeydew, Monkey is hypnotized by the music of the Organ Grindor (Jim Cummings), who commands him to rob Fort Knox. Dimwit Dexter: Due to overworking his brain, Dexter's mind shuts down, thus making him act idiotic.

21 min

6

Dexter’s Laboratory Episode 6 Dee Dee’s Room / Huntor / The Big Sister

Dee Dee's Room: After Dee Dee steals his critical invention, Dexter ventures into her room to find it in a homage to Apocalypse Now. Huntor: Monkey encounters Huntor (Ed Gilbert), an extra-terrestrial hunter, and must fight him to save Agent Honeydew and Commander Chief. The Big Sister: Rerun of the second What a Cartoon! pilot.

21 min

7

Dexter’s Laboratory Episode 7 Star Spangled Sidekicks / TV Super Pals / Game Over

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. 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. Game Over: When Dexter and Dee Dee's father buys his children a video game, Dexter plugs in the cartridge and becomes trapped inside, and it is up to Dee Dee to bring him out.

22 min

8

Dexter’s Laboratory Episode 8 Babysitter Blues / Valhallen’s Room / Dream Machine

Babysitter Blues: Dexter has a crush on his teenage babysitter, Lisa (Kath Soucie). After learning that she has a boyfriend, Dexter sabotages their relationship by accelerating his age by ten years in an attempt to win her heart. Valhallen's Room: Valhallen loses his magic ax, which is the source of his superpowers. With no ax, Valhalen transforms into a nerd, forcing Major Glory and Krunk to enter his room to find it. Dream Machine: When Dexter's nightmares become frequent and problematic, he invents a machine that allows him to have nice dreams, but Dee Dee cannot operate it properly unless she is awake.

22 min

9

Dexter’s Laboratory Episode 9 Dollhouse Drama / Krunk’s Date / The Big Cheese

Dollhouse Drama: Suspicious that Dee Dee has not entered his lab on a particular day, Dexter shrinks himself and enters her room to spy on her. Dee Dee takes advantage of Dexter's small size, and he unwillingly becomes a character in Dee Dee's doll story, which he starts to believe to be real. Krunk's Date: While fighting Comrade Red and his gang, Krunk falls in love with his equivalent in their gang, She-Thing (Kath Soucie). The Big Cheese: Dexter's new invention allows him to study for the next day's French test during his sleep. A scratched record causes his device to repeat a single phrase, omelette du fromage, throughout the night, and Dexter wakes up with the inability to speak anything besides that phrase.

22 min

10

Dexter’s Laboratory Episode 10 Way of the Dee Dee / Say Uncle Sam / Tribe Called Girl

Way of the Dee Dee: Dee Dee teaches Dexter how to live carefree instead of being lonely and purely focused on science. 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. Tribe Called Girl: To learn more about girls, Dexter camouflages himself to enter Dee Dee's room during a slumber party with her friends Lee Lee and Mee Mee. When he is caught, he is forced to take part in the girls' activities.

22 min

11

Dexter’s Laboratory Episode 11 Spacecase / Ratman / Dexter’s Debt

Spacecase: To prevent himself from being abducted by aliens, Dexter tricks Dee Dee into going instead, but he regrets his decision after realizing how much he cares for her. Ratman : To fix their apartment's plumbing, Krunk and Valhallen venture to the basement, where they are met by Ratman (Maurice LaMarche), a diminutive vigilante raised by rats (a parody of Batman). Dexter's Debt: Dexter's laboratory is threatened with repossession unless he can repay his $200 million debt to NASA. When Dee Dee wins a sweepstakes prize equal to Dexter's debt, he decides to steal her money out of desperation.

22 min

12

Dexter’s Laboratory Episode 12 Dexter’s Rival / Bee Where? / Mandarker

Dexter's Rival: Bee Where?: Major Glory, Krunk, and Valhallen try to rid their apartment of a bee. 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.

22 min

13

Dexter’s Laboratory Episode 13 Inflata Dee Dee / Can’t Nap / Monstory

Inflata Dee Dee: Dee Dee inflates Dexter's hydro-plasmatic suit and constantly floats in the air, prompting Dexter to bring her down. 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. Monstory: Not interested in hearing Dee Dee's long-winded story, Dexter gives her a new formula to keep her quiet, but instead she is turned 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.

22 min

Season 2

1

Dexter’s Laboratory Season 2 Episode 1 Beard to Be Feared / Quackor the Fowl / Ant Pants

Beard to Be Feared: After watching an Action Hank movie on television, Dexter dons a synthetic beard to imitate his hero, but the police mistake him for Action Hank himself. Quackor the Fowl: Mandark brings his pet lab duck, Ducky, for show and tell to counter Dexter and his lab monkey, Monkey. Unbeknownst to Mandark, Ducky is the alter ego of supervillain Quackor the Fowl. Ant Pants: When Dexter catches Dee Dee exterminating ants, he shrinks her and himself to ant size to demonstrate how organized the ants are in a colony.

22 min

2

Dexter’s Laboratory Season 2 Episode 2 Mom and Jerry / Chubby Cheese / That Crazy Robot

Mom and Jerry: In a parody of Tom and Jerry, Dexter accidentally swaps his brain with a mouse's and must avoid his mother when she attacks him. Chubby Cheese: While at a pizza restaurant, Dexter slows down the "Whack the Weasel" machine to win a stuffed Monkey doll before Dee Dee does. Security captures him for tampering with the machine, and he falls into the hands of a mad scientist. That Crazy Robot: When Dee Dee frees one of Dexter's deactivated robots, it tries to destroy anyone who is mean to Dee Dee, including her friends, her mother, and Dexter.

22 min

3

Dexter’s Laboratory Season 2 Episode 3 D & DD / Hamhocks and Armlocks

D & DD: After becoming tired of his complicated traps and cheating while playing a tabletop role-playing game, Dexter's friends put Dee Dee in Dexter's place. She changes the style of play, which annoys Dexter but impresses his friends. Hamhocks and Armlocks: When Dexter sees Dad being challenged to an arm wrestling match by a man named Earl at a truck stop, Dexter attaches a robotic arm to Dad to enable him to win.

22 min

4

Dexter’s Laboratory Season 2 Episode 4 Hunger Strikes / The Koos Is Loose / Morning Stretch

Hunger Strikes: After his parents deny him dessert for not eating his vegetables, Dexter uses radiation therapy to enable himself to like vegetables, but a severe side effect turns him into an Incredible Hulk-like character if he goes too long without them. The Koos Is Loose: Dee Dee's imaginary friend Koosalagoopagoop (Dom DeLuise) suddenly comes to life and starts irritating Dexter. Morning Stretch: When Dexter oversleeps after staying up late in his lab, he awakes one minute before his school bus arrives. With no time to do his morning chores and homework, he pulls out a device that converts his last 30 seconds into 30 minutes.

22 min

5

Dexter’s Laboratory Season 2 Episode 5 Dee Dee Locks and the Ness Monster / Backfire / Book ‘Em

Dee Dee Locks and the Ness Monster: When Dexter's mother asks him to read a story to a sickly Dee Dee, Dee Dee becomes bored of Dexter's story and creates one of her own. Backfire: When Dexter uses anti-matter on the family car to shorten road trips, he accidentally fuses Dee Dee with the car. Book 'Em: When Dee Dee causes Dexter to mistakenly take home a library book without checking it out, they sneak into the library at night to return it.

22 min

6

Dexter’s Laboratory Season 2 Episode 6 Sister’s Got a Brand New Bag / Shoo, Shoe Gnomes / Lab of the Lost

Sister's Got a Brand New Bag: Dee Dee's new dance moves annoy Dexter to no end. Shoo, Shoe Gnomes: Dexter calls upon the "shoe gnomes" to repair his shoes, but he seeks out Dee Dee to rid himself of them afterwards. Lab of the Lost: Following a mishap in his lab, Dexter ends up in the old, long-abandoned part of the lab and discovers his early, neglected inventions.

22 min

7

Dexter’s Laboratory Season 2 Episode 7 Labels / Game Show / Fantastic Boyage

Labels: When Dee Dee claims that anything can be hers because Dexter "doesn't have his name on it", he invents a label-making gun. Game Show: Dexter and Dee Dee compete against each other on a game show. Fantastic Boyage: When Dexter attempts to inject himself into an ill Dee Dee to find a cure for the common cold, he inadvertently winds up inside his dog, believing that Dee Dee is infected with a dog virus.

22 min

8

Dexter’s Laboratory Season 2 Episode 8 Filet of Soul / Golden Diskette

Filet of Soul: When Dexter and Dee Dee refuse to flush their dead goldfish into the toilet, they are haunted by its spirit. Golden Diskette: Dee Dee wins a golden diskette, earning her a free trip to the laboratory of Professor Hawk (Tom Kenny), one of Dexter's favorite scientists.

23 min

9

Dexter’s Laboratory Season 2 Episode 9 Snowdown / Figure Not Included / Mock 5

Snowdown: When Dexter falls victim to Dee Dee's snowballs, Dad teaches Dexter to be the snowball terror that Dad once was in his youth. Figure Not Included: Dexter makes his own Major Glory action figure to join the neighborhood's Major Glory gang. Mock 5: Dexter participates in the "Annual Soapbox Derby down Volcano Mountain". While Dexter parodies Speed Racer and Dad parodies Pops Racer, Monkey parodies Chim-Chim and Dee Dee parodies both Racer-X and Spritle.

22 min

10

Dexter’s Laboratory Season 2 Episode 10 Ewww That’s Growth / Nuclear Confusion / Germ Warfare

Ewww That's Growth: Unable to ride in a roller coaster due to his height, Dexter invents a device to make himself taller. Nuclear Confusion: When Dee Dee hides the core of Dexter's nuclear power lamp, he must decipher her clues within one hour to find it. Germ Warfare: When his family is suffering from the flu, Dexter avoids contracting the illness, but his efforts are thwarted by a sickly Dee Dee.

22 min

11

Dexter’s Laboratory Season 2 Episode 11 A Hard Day’s Day / Road Rash / Ocean Commotion

A Hard Day's Day: Dexter struggles to understand why he is having a bad day, and Dee Dee inspires him with astrology. Road Rash: Dexter's parents buy him a bike for exercise, but he is unable to catch Dee Dee on her inline skates. Ocean Commotion: Dexter's family goes to the beach, where Dexter tries to communicate with whales. He must rescue Dee Dee (dressed as a mermaid), when she is captured by manic pirates.

22 min

12

Dexter’s Laboratory Season 2 Episode 12 The Bus Boy / Things That Go Bonk in the Night / Ol’ McDexter

The Bus Boy: After Dexter's pencil rolls to the back of the school bus, he goes to retrieve it, but legend says that no one has ever returned from the back of the bus. Things That Go Bonk in the Night: Krunk stays up watching a 24-hour marathon of TV Puppet Pals, and dreams of becoming part of the show. Ol' McDexter: Dexter is disappointed when he ends up at an Amish farm instead of a high-tech farm for summer camp. His attempts to modernize the Amish family do not go well.

22 min

13

Dexter’s Laboratory Season 2 Episode 13 Sassy Come Home / Photo Finish

Sassy Come Home: Dee Dee befriends a Sasquatch during a camping trip, but Dexter is determined to capture it. Photo Finish: When Dee Dee takes photographs of his lab, Dexter goes on an adventure to retrieve the photos before his parents see them.

22 min

14

Dexter’s Laboratory Season 2 Episode 14 Star Check Unconventional / Dexter Is Dirty / Ice Cream Scream

Star Check Unconventional: When Dexter and his friends go looking for a "Star Check" convention, they accidentally end up at a "Darbie" doll convention. Dexter Is Dirty: When Dexter is tired of bathing, he laminates himself to stay clean. Ice Cream Scream: When Dexter is tired of bathing, he laminates himself to stay clean.

22 min

15

Dexter’s Laboratory Season 2 Episode 15 Decode of Honor / World’s Greatest Mom / Ultrajerk 2000

Decode of Honor: Dexter and Dee Dee's secret decoder rings hold the keys to joining the Action Hank and Pony Puff fan clubs respectively, but they receive a strange list in order to do so. World's Greatest Mom: When Dexter accidentally hits his mother with a ray of energy, she gains superpowers. Ultrajerk 2000: When Dexter creates a robot to assist him, the robot starts controlling his lab and tries to destroy Dexter.

22 min

16

Dexter’s Laboratory Season 2 Episode 16 Techno Turtle / Surprise! / Got Your Goat

Techno Turtle: When Dee Dee befriends a turtle that gets severely injured, Dexter not only heals it, but gives it superpowers. Surprise!: On his birthday, Dexter makes himself invisible to learn whether his parents bought the Major Glory action figure he always wanted. Got Your Goat: Dexter and Dee Dee go to South America to catch the legendary chupacabra, which Dexter believes is an escaped lab experiment.

22 min

17

Dexter’s Laboratory Season 2 Episode 17 Dee Dee Be Deep / 911 / Down in the Dumps

Dee Dee Be Deep: When Dexter is tired of Dee Dee's bad singing, he inadvertently transforms her voice into a baritone (Kevin Michael Richardson). 911: When his television show is interrupted by the Emergency Broadcast System, Dexter sets about fixing any nearby emergencies to make the signal go away. Down in the Dumps: In a fit of rage, Dexter dumps Dee Dee's favorite teddy bear into the garbage. A traumatized Dee Dee begins to behave oddly, prompting Dexter to go to the garbage dump and get it back.

22 min

18

Dexter’s Laboratory Season 2 Episode 18 Unfortunate Cookie / The Muffin King

Unfortunate Cookie: Dexter and Dee Dee must travel to Chinatown to get their fingers unstuck from a Chinese finger trap. The Muffin King: Dexter and Dee Dee protect their mother's freshly baked muffins from their muffin-loving father while she is out shopping.

22 min

19

Dexter’s Laboratory Season 2 Episode 19 Picture Day / Now That’s a Stretch / Dexter Detention

Picture Day: Upset that Dee Dee is more photogenic than him, Dexter transforms his face into a handsome one for his next Picture Day. Now That's a Stretch: When Dexter cannot reach anything in his lab, he makes himself more flexible by combining himself with bubble gum. Dexter Detention: Dexter is given detention after accidentally shouting out the answer to a test question.

22 min

20

Dexter’s Laboratory Season 2 Episode 20 Don’t Be a Baby / Peltra / G.I.R.L. Squad

Don't Be a Baby: While trying to make himself and Dee Dee older to see an R-rated movie, Dexter accidentally makes everybody else babies instead. Peltra: Peltra wants to turn Monkey into a fur coat. G.I.R.L. Squad: After a crime prevention talk at school, Dee Dee, Lee Lee, and Mee Mee become crime fighters, protecting the neighborhood from a mysterious stranger.

22 min

21

Dexter’s Laboratory Season 2 Episode 21 Sports a Poppin / Koosalagoopagoop / Project Dee Dee

Sports a Poppin: When Dad tries to teach his son sports, he realizes that Dexter is not athletic. Koosalagoopagoop: Dee Dee enters the land of her imaginary friend Koosalagoopagoop. Project Dee Dee: When Dexter learns that Dee Dee is making a science project alone, he decides to help, but she does not want his help.

22 min

22

Dexter’s Laboratory Season 2 Episode 22 Topped Off / Dee Dee’s Tail / No Power Trip

Topped Off: Dexter and Dee Dee experiment with coffee after seeing how it energizes their parents in the morning. Dee Dee's Tail: After she expresses her desire to become a Pony Puff Princess, Dexter transforms Dee Dee into a horse. No Power Trip: Despite his computer's warnings, Dexter consumes too much power during experiments, causing his lab to shut down.

22 min

23

Dexter’s Laboratory Season 2 Episode 23 Sister Mom / The Laughing

Sister Mom: When Dexter is asked to bring his mother to school, he disguises Dee Dee in her place. The Laughing: After Dexter is bitten by a clown's dentures, he turns into a mad clown nightly, terrorizing the town with his mayhem.

22 min

24

Dexter’s Laboratory Season 2 Episode 24 Dexter’s Lab: A Story / Coupon for Craziness / Better Off Wet

Dexter's Lab: A Story: After Dexter finds a lost Labrador Retriever, he teaches the dog to speak English. Coupon for Craziness: Dexter finds a hyperactive boy who is like Dee Dee and has scientist parents who are like Dexter. Sensing to fit in, he switches places with the boy. Better Off Wet: Dexter, who cannot swim and is afraid of water, avoids being pushed into the family's new swimming pool by Dad.

22 min

25

Dexter’s Laboratory Season 2 Episode 25 Critical Gas / Let’s Save the World You Jerk! / Average Joe

Critical Gas: Dexter suffers severe stomach pains after eating a giant burrito. Following an experiment with a balloon, he assumes that he has only 30 minutes to live. Let's Save the World You Jerk!: Dexter and Mandark team up to fight metoroids that are hurdling towards the Earth. Average Joe: When an intelligence test mistakenly grades Dexter as "average", he shuts down his lab and tries to live like a normal child.

22 min

26

Dexter’s Laboratory Season 2 Episode 26 Rushmore Rumble / A Boy and His Bug / You Vegetabelieve It!

Rushmore Rumble: Dexter and Mandark bring the Abraham Lincoln and George Washington faces respectively on Mount Rushmore to life and make them fight each other. A Boy and His Bug: When Dexter neglects his metal-eating pet bug, it begins eating his lab. You Vegetabelieve It!: When Dee Dee uses Dexter's growth formula on the plants in the garden, the plants grow into enormous man-eating monsters.

22 min

27

Dexter’s Laboratory Season 2 Episode 27 Aye Aye Eyes / Dee Dee and the Man

Aye Aye Eyes: A little girl with big eyes falls in love with Dexter and follows him after he returns a toy she dropped earlier, much to his chagrin. Dee Dee and the Man: Dexter "fires" Dee Dee, only to realize that the chaos she causes has been helping him concentrate.

22 min

28

Dexter’s Laboratory Season 2 Episode 28 Old Flame / Don’t Be a Hero / My Favorite Martian

Old Flame: When Dexter brings the caveman who first discovered fire back from the past, the caveman acts like Dee Dee and starts smashing the lab. Don't Be a Hero: Dexter turns himself into a superhero, but he gives up after every power he tries backfires. My Favorite Martian: Dexter travels to Mars to find intelligent life, unaware that Dee Dee has stowed away in his space capsule. After Dee Dee gets covered in red dirt, Dexter mistakes her for a real-life Martian.

22 min

29

Dexter’s Laboratory Season 2 Episode 29 Paper Route Bout / The Old Switcharooms / Trick or Treehouse

Paper Route Bout: Dad trains Dee Dee to fight a gang of bicycle-riding rogues dressed as ninjas who target her paper route each morning. The Old Switcharooms: When Dad makes Dexter and Dee Dee switch rooms, Dexter becomes paranoid that Dee Dee is destroying his lab. Trick or Treehouse: Dee Dee builds a tree house and allows everyone inside except Dexter, in revenge for the times he kicked her out of his lab.

22 min

30

Dexter’s Laboratory Season 2 Episode 30 Quiet Riot / Accent You Hate / Catch of the Day

Quiet Riot: After working all night to create his latest invention, Dexter tries to sleep, but he is constantly interrupted by Dee Dee. Accent You Hate: Dexter and his friends are targeted at school by a bully for their multicultural accents. Catch of the Day: Dexter and Dad try to get to Dad's fishing spot before sunrise to start fishing before others arrive.

22 min

31

Dexter’s Laboratory Season 2 Episode 31 Dad Is Disturbed / Framed / That’s Using Your Head

Dad Is Disturbed: Dad tries to watch a golf tournament, but is constantly interrupted by his wife, Dexter, and Dee Dee. Framed: When Dexter's glasses break, he creates a new fad (wearing glasses with cracked lenses) and becomes extremely popular at his school. That's Using Your Head: Dexter thinks that a crazy homeless person balancing electronic devices on his head and muttering gibberish is a genius trying to contact aliens, so he takes him home.

22 min

32

Dexter’s Laboratory Season 2 Episode 32 DiM / Just an Old Fashioned Lab Song… / Repairanoid

DiM: In a mostly dialogue-free episode, Dexter makes a trip to the hardware store to buy a new light bulb for his lab. Just an Old Fashioned Lab Song...: Dexter reluctantly takes piano lessons from Professor Williams (Paul Williams), but when the Professor stumbles onto Dexter's lab, he discovers that Dexter has more musical talent than he thought. Repairanoid: When an electrician comes to Dexter's house to repair a blown-out fuse, he accidentally stumbles onto his laboratory, and Dexter enlists him to repair the lab.

22 min

33

Dexter’s Laboratory Season 2 Episode 33 Sdrawkcab / The Continuum of Cartoon Fools / Sun, Surf, and Science

Sdrawkcab: Dexter invents a belt whose wearer can do anything backwards, but mayhem occurs when Dee Dee gets hold of the belt's directional switch. The Continuum of Cartoon Fools: Dexter tries to figure out how Dee Dee keeps entering his lab every time he kicks her out and seals the entrance. Sun, Surf, and Science: Mandark enters a surfing contest and tries to cheat his way to victory to win Dee Dee's heart from another surfer.

22 min

34

Dexter’s Laboratory Season 2 Episode 34 Big Bots / Gooey Aliens That Control Your Mind / Misplaced in Space

Big Bots: Dee Dee dares Dexter into building her a giant robot similar to his Robo-Dexo 2000. They then team up to try to save an island's population from being destroyed by an erupting volcano using their giant robots. Gooey Aliens That Control Your Mind: Dexter's parents and Dee Dee have their minds taken over by an alien life form that escaped from Dexter's lab. Misplaced in Space: A teleporter malfunction sends Dexter to an alien prison, prompting Dee Dee to go on a mission to save Dexter.

22 min

35

Dexter’s Laboratory Season 2 Episode 35 Dee Dee’s Rival / Pslyghtly Psycho / Game for a Game

Dee Dee's Rival: Mandark's sister Olga Astronomonov (a.k.a. Lalavava) tries to upstage Dee Dee at dance school. Pslyghtly Psycho: On Mother's Day, Dexter's mother has her gloves taken by the family so that she can relax and not do housework, but she is unable to adjust to a life where she cannot keep the house clean. Game for a Game: After Dee Dee declares that she can beat Dexter in any game, Dexter challenges her to a series of games in his lab, though he prefers to win by cheating.

22 min

36

Dexter’s Laboratory Season 2 Episode 36 Blackfoot and Slim / Trapped with a Vengeance / The Parrot Trap

Blackfoot and Slim: A nature documentary team observes "Blackfoot" (Dexter) and "Slim" (Dee Dee) in their "natural habitat". Trapped with a Vengeance: In a parody of Die Hard, Dexter is trapped in his school by the janitor in revenge for making him work late everyday. The Parrot Trap: 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.

22 min

37

Dexter’s Laboratory Season 2 Episode 37 Dexter and Computress Get Mandark! / Pain in the Mouth / Dexter vs. Santa’s Claws

Dexter and Computress Get Mandark!: Created and narrated by a six-and-a-half-year-old boy named Tyler Samuel Lee, who sent a tape containing the episode's audio to Cartoon Network, the story follows Dexter and Mandark's robot "brother" Computress teaming up to make Mandark's head shrink. Pain in the Mouth: When Krunk gets a tortilla chip stuck in his tooth, Major Glory decides to fix it by pulling the tooth out himself against Valhallen's admonition to take him to the dentist as they have the tools to take the chip out properly. Dexter vs. Santa's Claws: Dexter tries to prove to Dee Dee that Santa Claus is not real.

22 min

38

Dexter’s Laboratory Season 2 Episode 38 Dyno-Might / LABretto

Dyno-Might: In this crossover with Dynomutt, Dog Wonder, Blue Falcon (Gary Owens) comes to Dexter's house and asks him to rebuild an injured Dynomutt. LABretto: Dexter's life story, from his birth to the creation of his secret laboratory, is retold as an opera.

22 min

39

Dexter’s Laboratory Season 2 Episode 39 Last But Not Beast

During a trip to Japan as part of a student exchange program, Dexter accidentally releases a giant monster with an axe-like head from a volcano, forcing him to enlist the aid of his family to defeat it.

24 min

Season 3

1

Dexter’s Laboratory Season 3 Episode 1 Streaky Clean / A Dad Cartoon / Sole Brother

Streaky Clean: 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. A Dad Cartoon: Dad decides to give the car a retouch, but keeps breaking things and saying he will fix it later. After having enough, he pushes the car over a cliff, and below it are other crushed cars, meaning this was not the first time. Sole Brother: Dexter accidentally becomes Dee Dee's foot when the two fuse together. Now, they have to wait 24 hours to reverse the fusion.

22 min

2

Dexter’s Laboratory Season 3 Episode 2 Mind Over Chatter / A Quakor Cartoon / Momdark

Mind Over Chatter: Dexter accidentally gives himself telepathy that he cannot shut off when trying to overhear his father's thoughts to figure out what he got for his birthday, causing everyone to accidentally read his own mind. A Quakor Cartoon: Quackor returns to battle Monkey in Dexter's Lab until Quackor lays an egg; then the two fall in love. Momdark: Mandark disguises himself as Dexter's mom to get into Dexter's Lab. Unfortunately for Mandark, he now has to deal with Dexter, Dad, and Dee Dee's requests, which are too much for him.

22 min

3

Dexter’s Laboratory Season 3 Episode 3 Copping an Aptitude / A Failed Lab Experiment / The Grand-Daddy of All Inventions

Copping an Aptitude: Dexter's school and parents decide to send him to college. He ignores his fellow students, who prefer to "party now, study later", until his mind finally snaps from the workload. A Failed Lab Experiment: When Dexter's new device, made to help him see through solid objects, fails to work as expected, he ends up seeing through people's clothes, which puts him in an uncomfortable situation. The Grand-Daddy of All Inventions: During a trip to his grandfather's house, Dexter learns that the outwardly boring old man has a lab just like his own.

22 min

4

Dexter’s Laboratory Season 3 Episode 4 Poppa Wheely / A Mom Cartoon / The Mock Side of the Moon

Poppa Wheely: It is Career Day, and because Dexter is ashamed of his father, he creates a better father for himself. However, he soon discovers that his real father is much cooler. A Mom Cartoon: Dexter's mom fights another woman at the supermarket for some new latex gloves. The Mock Side of the Moon: Dexter travels to the moon and finds that aliens are planning an invasion on Earth, and he uses his Robo-Dexo 2000 to stop them. It turns out that they only were interested in purchasing sweaters for the winter.

22 min

5

Dexter’s Laboratory Season 3 Episode 5 If Memory Serves / A Mandark Cartoon / Tele Trauma

If Memory Serves: To keep himself from forgetting anything important, Dexter uses a device to copy his memories, which causes a mayhem in his own head. A Mandark Cartoon: Mandark plans another scheme to get rid of Dexter. Everything in this cartoon is to the tune of Mandark's trademark laugh. Tele Trauma: Since his studying is interrupting his favorite TV shows, Dexter creates a helmet to absorb the shows directly. However, the plan backfires when he randomly snaps into television-based outrages.

22 min

6

Dexter’s Laboratory Season 3 Episode 6 A Boy Named Sue / Lab on the Run

A Boy Named Sue: Mandark's birth and origins as the child of hippies are revealed, as is the beginning of his rivalry with Dexter and the cause of his villainy. Lab on the Run: Two robots (Martin Mull and Fred Willard) escape from Dexter's lab in order to have a better life and avoid Dexter's totalitarian rule.

22 min

7

Dexter’s Laboratory Season 3 Episode 7 Dos Boot / A Dee Dee Cartoon / Would You Like That in the Can

Dos Boot: Mandark gets inside Dexter's computer system and creates a computer virus, so Dexter must follow him inside and kick him out from cyberspace. However, Dee Dee has other plans in mind. A Dee Dee Cartoon: Dee Dee goes and plays in her own "lab" after being kicked out of Dexter's. Would You Like That in the Can: Dexter and his friend Douglas Mordecai must enter the girls' bathroom to retrieve Dexter's lunchbox, which was put in there by another student.

22 min

8

Dexter’s Laboratory Season 3 Episode 8 That Magic Moment / A Silent Cartoon / Opposites Attract

That Magic Moment: Dexter's Magic Uncle Fergel O'Reilly (Mark Hamill) pays a visit to the family. A Silent Cartoon: Parodying The Pink Panther, Dexter is trying to paint his lab blue, but Dee Dee wants to make it pink. Opposites Attract: Dexter creates a magnetic field to keep Dee Dee away from him, but it malfunctions, causing them to stick together.

22 min

9

Dexter’s Laboratory Season 3 Episode 9 Comic Relief / A Third Dad Cartoon / Robo Dexo 3000

Comic Relief: Dexter creates a device to make a lifelike superhero comic, with his sister villain "Deestructa". A Third Dad Cartoon: Dexter's father plays golf with his kids. Robo Dexo 3000: Dexter creates the ultimate robot to replace his Robo-Dexo 2000.

21 min

10

Dexter’s Laboratory Season 3 Episode 10 Glove at First Sight / A Mom & Dad Cartoon / Smells Like Victory

Glove at First Sight: Dexter's parents remember their first date and dance together. A Mom & Dad Cartoon: Dexter and Dee Dee listen in on their parents' conversation; they are playing Scrabble, but the way they talk makes it sound like Dad was cheating on Mom. Smells Like Victory: 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.

22 min

11

Dexter’s Laboratory Season 3 Episode 11 Oh, Brother / Another Dad Cartoon / Bar Exam

Oh, Brother: Dexter turns Dee Dee into a boy, but is disappointed when "he" is not a genius as Dexter would like it. Another Dad Cartoon: With everyone out of the house, Dexter's father decides to spend the time dancing. Bar Exam: Dexter's parents discover that he is making false excuses to get out of physical education and now Dexter must pass a physical exam if he wants to pass P.E. and move up a few grades.

22 min

12

Dexter’s Laboratory Season 3 Episode 12 Jeepers, Creepers, Where Is Peepers / Go, Dexter Family! Go!

Jeepers, Creepers, Where Is Peepers: 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. Go, Dexter Family! Go!: Dexter's family must rescue him from aliens.

22 min

13

Dexter’s Laboratory Season 3 Episode 13 Scare Tactics / A Mom Cartoon / My Dad Vs. Your Dad

Scare Tactics: After watching a horror film, Dexter and his father become easily frightened. A Mom Cartoon: Dexter's mom fights another woman at the supermarket for some new latex gloves. My Dad Vs. Your Dad: Dexter and Mandark's fathers become embroiled in a conflict after trying to defuse one between their sons.

22 min

Season 4

1

Dexter’s Laboratory Season 4 Episode 1 Beau Tie / Remember Me? / Overlabbing

Beau Tie: When Dexter discovers that Beau, Dee Dee's new boyfriend, has similar interests as him, Dexter tries to steal Beau's attention from Dee Dee. Remember Me?: When Dexter gets amnesia, Dee Dee decides to play tricks on him by creating a whole new identity for him in her image. Overlabbing: Dexter and Mandark drill underground to expand their labs, but end up running into each other's work. So they agree to share the lab, inducing chaos.

22 min

2

Dexter’s Laboratory Season 4 Episode 2 Sis-Tem Error / Bad Cable Manners / Dexter’s Library

Sis-Tem Error: Dee Dee accidentally shuts down Dexter's lab, and he has to power it back. In the process, Dee Dee attempts to keep Dexter from finding out what she really did. Bad Cable Manners: Dexter pirates cable for his father. Dexter's Library: Dexter becomes the stern administrator of his local library.

21 min

3

Dexter’s Laboratory Season 4 Episode 3 The Scrying Game / Monstrosi-Dee Dee / Dad Man Walking

The Scrying Game: Dee Dee learns a new game that can predict the future events. Monstrosi-Dee Dee: When Dee Dee eats a contaminated apple, she turns into a monster every time when she tells Dexter what to do. Dad Man Walking: Dexter's father sleepwalks into Dexter's lab. Dexter discovers this, and now has to escort him out of the lab without waking him up, which proves more difficult than thought.

21 min

4

Dexter’s Laboratory Season 4 Episode 4 Dexter’s Little Dilemma / Faux Chapeau / D2

Dexter's Little Dilemma: Dexter shrinks his parents and puts them into a model of their house for observation. Faux Chapeau: Dexter's newest invention looks like a hat, so Dee Dee takes it and wears it around town. D2: Dexter and Dee Dee realize that they make a good team, so they decide to do stuff together, but doing so makes things worse.

22 min

5

Dexter’s Laboratory Season 4 Episode 5 Head Band / Stuffed Animal House / Used Ink

Head Band: Dee Dee gets a song stuck in her head, which is actually a virus. Dexter and Mom soon catch it, and Dexter has to reverse the effects of this. He succeeds at the end, not knowing that Dad also caught it. Stuffed Animal House: Dee Dee's stuffed animals come to life and roam the house when Dee Dee uses a formula that brings inanimate objects to life, which delights Dee Dee, much to his dismay. Used Ink: Dexter creates a new type of ink that lets him command people to do whatever he wants. However, when Mandark gets his hands on it, Dexter is the one that becomes commanded.

22 min

6

Dexter’s Laboratory Season 4 Episode 6 School Girl Crushed / Chess Mom / Father Knows Least

School Girl Crushed: Dexter and Mandark are both outperformed by a new girl at school, so they reluctantly team up to get rid of her. Chess Mom: Dexter's mother attempts to support him during a chess tournament but does nothing but embarrass him. Father Knows Least: Dexter's father is left to watch the kids while his wife visits her sister.

22 min

7

Dexter’s Laboratory Season 4 Episode 7 Dexter The Barbarian / Tuber Time / Sore Eyes

Dexter The Barbarian: Dexter tries to emulate the barbarian hero of his favorite comic book. Tuber Time: Dexter studies the potato, and when he is fascinated by its power to light up a light bulb, he tries to use it as an energy source. Sore Eyes: Dexter tries to improve his eyesight by giving himself laser eye surgery, but goes too far in doing so.

22 min

8

Dexter’s Laboratory Season 4 Episode 8 Babe Sitter / Mountain Mandark / 2Geniuses 2Gether 4Ever

Babe Sitter: Dee Dee is hired by Mandark's parents to babysit him. Mountain Mandark: Mandark gets in touch with nature. 2Geniuses 2Gether 4Ever: Dexter decides to work with Mandark, but finds himself doing all of the work. In the end, Mandark tries to press the button when Dexter connects the plug in the outlet to bring his show title back.

21 min

9

Dexter’s Laboratory Season 4 Episode 9 Height Unseen / Bygone Errors / Folly Calls

Height Unseen: Again tired of being short, but mindful of his past failures, Dexter decides to make everyone shorter than himself. Bygone Errors: Old Dexter And Old Dee Dee's talks about the glory days, and his sister is still there to inject her opinions, telling him what really happened. Folly Calls: When Dee Dee tries to cut off a piece of her hair, she accidentally cuts off one of her pigtails. Dexter gives her a potion to make her missing hair grow back. However, Dee Dee squirts too much of it in her hair, and Dexter must return Dee Dee's hair back to normal.

21 min

10

Dexter’s Laboratory Season 4 Episode 10 Voice Over / The Blonde Leading the Blonde / Comic Stripper

Voice Over: When Dexter's computer gets laryngitis, Dexter must find a replacement voice. The Blonde Leading the Blonde: Dexter refuses to admit that blondes have more fun, so Dee Dee secretly dyes his hair blond to prove it to him. Comic Stripper: Dexter finds out that all of Mandark's plans are taken from a comic book.

22 min

11

Dexter’s Laboratory Season 4 Episode 11 Tee Party / Dexter’s Wacky Races

Tee Party: Dexter and his father enter a golf tournament, but Dexter's father proves inept at the sport. Dexter's Wacky Races: Dexter, Monkey, Agent Honeydew, the Justice Friends, Dee Dee, her imaginary friend Koosalagoopagoop, Mandark, his parents, and Dexter's parents participate in a cross-country race a la Wacky Races.

22 min

12

Dexter’s Laboratory Season 4 Episode 12 The Lab of Tomorrow / Chicken Scratch / Garage Sale

The Lab of Tomorrow: Monkey narrates a documentary of the future of laboratories and sciences. 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. Dexter completely restrains himself so that he will not have to scratch it; unfortunately, he is unable to resist and his nonstop scratching eventually does just that. Garage Sale: Dexter creates a device that turns people into hideous blobs. His parents then sell the device in a garage sale, where it ends up in Mandark's hands.

22 min

13

Dexter’s Laboratory Season 4 Episode 13 They Got Chops / Poetic Injustice / Comedy of Feathers

They Got Chops: When Dee Dee's Judo skills prove too much for Dexter, Dexter learns how to fight back at the same dojo she went to. Poetic Injustice: Dexter falls in love with a new girl at his school, but he cannot win her heart until Dee Dee helps him with poetry Comedy of Feathers: Dexter is forced to take Dee Dee to the zoo. There, she ends up trying to save an ostrich with disastrous results. Dee Dee and the ostrich switches their places.

21 min

About Dexter's Laboratory