History Recap / DextersLaboratory

This is a list of episodes from the series ''WesternAnimation/DextersLaboratory,'' which aired from April 28, 1996 to November 20, 2003 with 78 episodes in total.

[[folder:Season One (April 28, 1996 to January 1, 1997)]]

[[folder:Season Two (July 16, 1997 to June 15, 1998)]]

[[folder:Special (December 10, 1999)]]

[[folder:Season Three (November 18, 2001 to September 20, 2002)]]
# "[[Recap/DextersLaboratoryS3EP1 Streaky Clean / A Dad Cartoon / Sole Brother]]": Dexter makes a KillSat for the sole purpose of cleaning his clothes, but it malfunctions; Dexter's dad tries to fix his car; Dexter becomes fused to Dee Dee's foot. '''November 18, 2001'''
# "[[Recap/DextersLaboratoryS3EP2 Mind Over Chatter / A Quackor Cartoon / Momdark]]": Dexter tries to give himself the ability to read minds, but mistakenly allows everyone to read ''his'' mind instead; Quackor attempts revenge on Monkey; Mandark kidnaps Dexter's mom and then disguises himself as her in an attempt to sneak into Dexter's lab. '''November 18, 2001'''
# "[[Recap/DextersLaboratoryS3EP3 Copping an Aptitude / A Failed Lab Experiment / The Grand-Daddy of All Inventions]]": Dexter goes to college and finds it's not how he expected; Dexter creates goggles that allow him to see through solid objects, but things go wrong; Dexter learns his grandfather has a laboratory too. '''November 30, 2001'''
# "[[Recap/DextersLaboratoryS3EP4 Poppa Wheelie / A Mom Cartoon / The Mock Side of the Moon]]": It's Career Day at school, but Dexter is ashamed of his dad; Dexter's mom fights another woman at the supermarket over the last pack of rubber gloves; Dexter travels to the moon and finds an alien fleet prepared to go to Earth. '''January 18, 2002 (produced in 2001)'''
# "[[Recap/DextersLaboratoryS3EP5 If Memory Serves / A Mandark Cartoon / Tele-Trauma]]": Dexter creates a device to retrieve and record his memories, which Mandark tries to steal; Mandark goes through a typical day while scheming to defeat Dexter; Dexter creates a device that beams TV shows directly into his head. '''February 22, 2002 (produced in 2001)'''
# "[[Recap/DextersLaboratoryS3EP6 A Boy Named Sue / Lab on the Run]]": Mandark relates the story of his origin; Two robots (voiced by Fred Willard and Martin Mull) escape from Dexter's lab and try to live in the outside world. '''March 29, 2002 (produced in 2001)'''
# "[[Recap/DextersLaboratoryS3EP7 Dos Boot / A Dee Dee Cartoon / Would You Like That in the Can?]]": Mandark enters Dexter's computer through cyberspace, so Dexter enters cyberspace himself to defeat him; Dee Dee plays in her own "lab"; Dexter and his friend Douglas sneak into the girl's bathroom to retrieve Dexter's lunchbox after another student picked it up by mistake. '''June 7, 2002 (produced in 2001)'''
# "[[Recap/DextersLaboratoryS3EP8 That Magic Moment / A Silent Cartoon / Opposites Attract]]": Dexter's uncle Fergel O'Reilly (voiced by Creator/MarkHamill) visits the family; Dee Dee paints the lab pink; a magnetic field causes Dexter and Dee Dee to get stuck together. '''June 14, 2002 (produced in 2001)'''
# "[[Recap/DextersLaboratoryS3EP9 Comic Relief / A Third Dad Cartoon / RoboDexo3000]]": Dexter makes a lifelike superhero comic, with Dee Dee as the villainess "Deestructa"; Dexter's dad plays golf with his kids; Dexter creates the ultimate robot to replace his previous one. '''June 21, 2002 (produced in 2001)'''
# "[[Recap/DextersLaboratoryS3EP10 Glove at First Sight / A Mom and Dad Cartoon / Smells Like Victory]]": We learn how Dexter's parents met in the 80s; Dexter and Dee Dee eavesdrop on their parents and mistakenly conclude that they are breaking up; the U.S. army discovers Dexter's lab and believes it is a base for alien invaders. '''June 28, 2002 (produced in 2001)'''
# "[[Recap/DextersLaboratoryS3EP11 Oh, Brother / Another Dad Cartoon / Bar Exam]]": Dexter travels to another universe where he has a brother instead of a sister; while home alone, Dexter's dad cuts loose; Dexter must pass P.E. or else he'll be held back a grade. '''July 5, 2002 (produced in 2001)'''
# "[[Recap/DextersLaboratoryS3EP12 Jeepers, Creepers, Where is Peepers? / Go, Dexter Family! Go!]]": Dexter and Koos must rescue Koos' friend Peepers and the land of imagination from an invader; Dexter's family teams up to rescue him from aliens. '''July 12, 2002 (produced in 2001)'''
# "[[Recap/DextersLaboratoryS3EP13 Scare Tactics / A Mom Cartoon / My Dad vs. Your Dad]]": Dexter and his dad both become rattled by a scary movie; Dexter's mom fights another woman at the supermarket over the last pack of rubber gloves[[note]]A rerun of an earlier episode.[[/note]]; Dexter and Mandark's fathers meet each other and eventually start fighting. '''September 20, 2002 (produced in 2001)'''

[[folder:Season Four (November 22, 2002 to November 20, 2003)]]
# "[[Recap/DextersLaboratoryS4EP1 Beau Tie / Remember Me / Overlabbing]]": Dee Dee's new boyfriend likes science, so Dexter tries to talk to him and show him his work; Dexter gets amnesia, so Dee Dee attempts to mold him in her image; Dexter and Mandark drill underground to expand their labs and end up butting heads. '''November 22, 2002'''
# "[[Recap/DextersLaboratoryS4EP2 Sis-Tem Error / Bad Cable Manners / Dexter's Library]]": Dee Dee accidentally shuts down the lab and tries to prevent Dexter from finding out she was responsible; Dexter helps his dad get cable TV; Dexter becomes the stern new administrator of the local library. '''April 25, 2003 (produced in 2002)'''
# "[[Recap/DextersLaboratoryS4EP3 The Scrying Game / Monstrosi-Dee Dee / Dad Man Walking]]": Dee Dee tries to predict Dexter's future; Dee Dee eats an apple that turns her into a monster; Dexter's dad sleepwalks into the lab. '''May 2, 2003 (produced in 2002)'''
# "[[Recap/DextersLaboratoryS4EP4 Dexter's Little Dilemma / Faux Chapeau / D2]]": Dexter attempts to study his parents by shrinking them and placing them in a model of the house without their knowledge; Dee Dee wears Dexter's invention around town because it looks like a hat; Dexter and Dee Dee decide they make a good team and start doing everything together. '''May 9, 2003 (produced in 2002)'''
# "[[Recap/DextersLaboratoryS4EP5 Head Band / Stuffed Animal House / Used Ink]]": A song that gets stuck in people's heads is actually a virus; Dexter accidentally brings Dee Dee's stuffed animals to life; Dexter creates a special ink that can control people when used to write commands. '''May 16, 2003 (produced in 2002)'''
# "[[Recap/DextersLaboratoryS4EP6 School Girl Crushed / Chess Mom / Father Knows Least]]": Dexter and Mandark reluctantly team up when a new girl at school starts outdoing them; Dexter's mom repeatedly embarrasses him while he's competing in a chess tournament; Dexter's dad has to watch the kids while his wife is visiting her sister. '''May 23, 2003 (produced in 2002)'''
# "[[Recap/DextersLaboratoryS4EP7 Dexter the Barbarian / Tuber Time / Sore Eyes]]": Dexter tries to emulate a BarbarianHero; Dexter studies potatoes and their ability to generate electricity; Dexter gives himself laser eye surgery, but his new vision works a little too well. '''May 30, 2003 (produced in 2002)'''
# "[[Recap/DextersLaboratoryS4EP8 Babe Sitter / Mountain Mandark / 2Geniuses 2Gether 4Ever]]": Mandark's parents hire Dee Dee to babysit him; Mandark gets in touch with nature; Dexter and Mandark team up, but Dexter finds himself doing all the work. '''September 5, 2003'''
# "[[Recap/DextersLaboratoryS4EP9 Height Unseen / Bygone Errors / Folly Calls]]": Dexter tries to make everyone shorter than him; in the future, an elderly Dexter talks about the GloryDays, but Dee Dee interrupts him and explains what really happened; When Dee Dee accidentally cuts off her pigtail, Dexter gives her a formula to grow it back, but she uses too much and her hair grows out of control. '''September 12, 2003'''
# "[[Recap/DextersLaboratoryS4EP10 Voice Over / Blonde Leading the Blonde / Comic Stripper]]": Dexter tries to fix his computer's voice module; Dee Dee secretly dyes Dexter's hair blonde; Dexter finds out that all of Mandark's plans are taken from a comic book. '''September 19, 2003'''
# "[[Recap/DextersLaboratoryS4EP11 Tee Party / Dexter's Wacky Races]]": Dexter and his dad enter a golf tournament, but dad is inept at it; 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. '''September 26, 2003'''
# "[[Recap/DextersLaboratoryS4EP12 The Lab of Tomorrow / Chicken Scratch / Garage Sale]]": A documentary on the future of laboratories; When Dexter gets the chicken pox, Dee Dee tells him scratching himself will make him turn into a chicken, and he believes her; Dexter's parents get one of Dexter's inventions and sells it at a garage sale. '''November 4, 2003'''
# "[[Recap/DextersLaboratoryS4EP13 They Got Chops / Poetic Injustice / Comedy of Feathers]]": Dexter and Dee Dee both learn martial arts; Dexter falls in love with a new girl at school and desperately tries to win her heart; Dee Dee tries to save an ostrich at the zoo. '''November 20, 2003'''

[[folder:Lost Episode]]
# "[[Recap/DextersLaboratoryRudeRemoval Rude Removal]]": Dexter accidentally creates foul-mouthed, rude versions of himself and Dee Dee.

# "[[Recap/DextersLaboratoryS2EP22 Topped Off / Dee Dee's Tail / No Power Trip]]]]": Dexter and Dee Dee become coffee addicts; Dexter turns Dee Dee into a horse, but she finds being an equine isn't all fun and frolic; When the power shuts down in his lab, Dexter tries to restore it. '''January 14, 1998 (produced in 1997)'''

# "[[Recap/DextersLaboratoryS2EP34 Big Bots / Gooey Aliens That Control Your Mind / Misplaced in Space]]": Dexter and Dee Dee try to save an island with giant robots; Dexter's parents and Dee Dee are mind controlled by an alien parasite; Dexter is accidentally transported to an extraterrestrial prison. '''April 8, 1998'''

# "[[Recap/DextersLaboratoryS2EP36 Blackfoot and Slim / Trapped with a Vengeance / The Parrot Trap]]": A nature documentary team observe Dexter and Dee Dee in their natural habitat; Dexter is trapped in the school by a disgruntled janitor; Dexter makes a robotic parrot. '''April 22, 1998'''

# "[[Recap/DextersLaboratoryS2EP37 Dexter and Computress Get Mandark / Pain in the Mouth / Dexter vs. Santa's Claws]]": In this episode written by a 6-year-old boy, Dexter and Computress plot to get Mandark; Major Glory and Valhallen try to cure Krunk's toothache without going to the dentist; Dexter is hellbent on proving that Santa isn't real. '''April 29, 1998'''

# "[[Recap/DextersLaboratoryS3EP13 Scare Tactics / A Mom Cartoon / My Dad vs. Your Dad]]": Dexter and his dad both become rattled by a scary movie; Dexter's mom fights another woman at the supermarket over the last pack of rubber gloves[[note]]A rerun of an earlier episode.[[/note]]; Dexter and Mandark's fathers meet each other and eventually start fighting. '''September 20, 2002 (produced in 2001)'''

# "[[Recap/DextersLaboratoryS2EP33 sdrawckaB / The Continuum of Cartoon Fools / Sun, Surf and Science]]": Dexter invents a belt that allows people to do things backwards; Dexter tries to figure how Dee Dee keeps entering his lab; Mandark enters a surfing contest to win Dee Dee's heart. '''April 1, 1998'''
# "[[Recap/DextersLaboratoryS2EP34 Big Bots / Gooey Aliens That Control Your Mind / Misplaced in Space]]": Dexter and Dee Dee try to save an island with giant robots; Dexter's parents and Dee Dee are mind controlled by an alien parasite; Dexter is accidentally transported to an extraterrestrial prison. '''April 8, 1998'''

# "[[Recap/DextersLaboratoryS2EP36 Blackfoot and Slim / Trapped with a Vengeance / The Parrot Trap]]": A nature documentary team observe Dexter and Dee Dee in their natural habitat; Dexter is trapped in the school by a disgruntled janitor; Dexter makes a robotic parrot. '''April 22, 1998'''
# "[[Recap/DextersLaboratoryS2EP37 Dexter and Computress Get Mandark / Pain in the Mouth / Dexter vs. Santa's Claws]]": In this episode written by a 6-year-old boy, Dexter and Computress plot to get Mandark; Major Glory and Valhallen try to cure Krunk's toothache without going to the dentist; Dexter is hellbent on proving that Santa isn't real. '''April 29, 1998'''

# "[[Recap/DextersLaboratoryS3EP13 Scare Tactics / A Mom Cartoon / My Dad vs. Your Dad]]": Dexter and his dad both become rattled by a scary movie; Dexter's mom fights another woman at the supermarket over the last pack of rubber gloves[[note]]A rerun of an earlier episode.[[/note]]; Dexter and Mandark's fathers meet each other and eventually start fighting. '''September 20, 2002 (produced in 2001)'''

# "[[Recap/DextersLaboratoryS1EP8 Babysitter Blues / Valhallen's Room / Dream Machine": Dexter develops a crush on his babysitter; Valhallen loses his magic axe and Major Glory and Krunk must find it in his room; Dexter creates a machine to help him deal with a reoccurring nightmare. '''November 27, 1996'''

# [[Recap/DextersLaboratoryS1EP1 [=DeeDeemensional=] / Magmanamus / Maternal Combat]]: When one of Dexter's inventions goes wrong, Dee Dee must go back in time to save him; Monkey has to defeat the lava monster Magmanamus, who just wants the noisy city-dwelling humans to pipe down and let him sleep; Dexter creates a mom-bot when his mother falls sick, but Dee Dee steals it. '''April 28, 1996'''
# Dexter Dodgeball / Rasslor / Dexter's Assistant: When Dexter's attempt to get out of dodgeball is foiled, he must use science to stand up for himself; An intergalactic wrestler (voiced by Wrestling/RandySavage) challenges the heroes of Earth, including Monkey; Dexter makes Dee Dee smart, which he soon regrets, since she proves to be smarter than him. '''May 5, 1996'''
# Dexter's Rival / Simion / Old Man Dexter: Mandark, the new kid at school, shows Dexter up on everything he was best in; Monkey fights the superintelligent supervillain chimp Simion; Dexter creates an aging machine to make him an adult, but Dee Dee's tampering turns Dexter into an old man [[note]]One of the original four ''WesternAnimation/WhatACartoonShow'' pilots.[[/note]]. '''May 12, 1996'''
# Double Trouble / Barbequor / Dexter's Laboratory: Dexter clones himself to prevent Dee Dee and her friends Mimi and Lee Lee from causing more mayhem; Monkey must stop Barbequor and Silver Spooner from devouring Earth; Dexter creates an invention that turns people into animals [[note]]One of the original four ''WesternAnimation/WhatACartoonShow'' pilots.[[/note]]. '''May 19, 1996'''
# Jurassic Pooch / Orgon Grindor / Dimwit Dexter: Dexter creates a pet dinosaur, but thanks to using DNA borrowed from a household pet it acts more like a dog; Monkey is hypnotized by an alien invader into doing evil; Dexter temporarily becomes an idiot from overworking himself [[note]]One of the original four ''WesternAnimation/WhatACartoonShow'' pilots.[[/note]]. '''May 26, 1996'''
# Dee Dee's Room / Huntor / The Big Sister: Dexter must retrieve a critical invention from Dee Dee's room; Monkey becomes the target of an alien hunter; Dexter accidentally turns Dee Dee into a giant [[note]]One of the original four ''WesternAnimation/WhatACartoonShow'' pilots.[[/note]]. '''June 2, 1996'''
# Star Spangled Sidekicks / TV Super Pals / Game Over: Dexter and Dee Dee enter Major Glory's sidekick tryouts; Glory, Krunk, and Valhallen cannot decide what to watch on TV; Dexter gets trapped in a video game. '''November 20, 1996'''
# Babysitter Blues / Valhallen's Room / Dream Machine: Dexter develops a crush on his babysitter; Valhallen loses his magic axe and Major Glory and Krunk must find it in his room; Dexter creates a machine to help him deal with a reoccurring nightmare. '''November 27, 1996'''
# Dollhouse Drama / Krunk's Date / The Big Cheese: Dexter shrinks himself to doll-size in order to spy on Dee Dee, but a side-effect of his shrinking machine causes him to get swept up in Dee Dee's toy soap opera; Krunk falls in love with a member of Comrade Red's gang, She-Thing; Dexter creates a machine to help him learn French, but it malfunctions, and all he's able to say is "omelette du fromage." '''December 4, 1996'''
# Way of the Dee Dee / Say Uncle Sam / Tribe Called Girl: Dee Dee teaches Dexter how to be carefree; Major Glory's uncle plans on visiting him, so he needs to clean up both the apartment and his room-mates; Dexter decides to learn more about the opposite sex by observing Dee Dee's slumber party, naturalist-style. '''December 11, 1996'''
# Space Case / Ratman / Dexter's Debt: Dexter gives Dee Dee away to aliens; Krunk and Valhallen meet an eccentric vigilante living in their apartment building's basement; Dexter owes two hundred million dollars to NASA. '''December 18, 1996'''
# Dexter's Rival / Bee Where? / Mandarker: Mandark, the new kid at school, shows Dexter up on everything he was best in [[note]] A rerun of an earlier episode. [[/note]]; The Justice Friends try to get rid of a bee; Mandark tries to beat Dexter with magic. '''December 25, 1996'''
# [[Recap/DextersLaboratoryS1EP13 Inflata-Dee Dee / Can't Nap / Monstory]]: When Dee Dee hijacks his inflatable hydro-plasmatic suit, Dexter tries to get his now-buoyant sister down; Valhallen invites White Tiger to stay at the apartment overnight, but Major Glory has allergies; Dexter's silencing formula turns Dee Dee into a giant monster. '''January 1, 1997 (produced in 1996)'''

# Beard to Be Feared / Quackor the Fowl / Ant Pants: Dexter gives himself a beard in order to be "rugged" like his hero Action Hank; Mandark is unaware that his lab duck is a supervillain named Quackor; Dexter and Dee Dee shrink themselves to visit an ant colony. '''July 16, 1997'''
# Mom and Jerry / Chubby Cheese / That Crazy Robot: Dexter switches his brain with a mouse's, leading to his mother chasing him around the house; Dexter tries to win a toy at the local SuckECheeses; One of Dexter's robots becomes a servant for Dee Dee. '''July 23, 1997'''
# D & DD / Hamhocks and Armlocks: Dexter's friends make Dee Dee the Game Master of their game of [[MagicAmpersand Monsters and Mazes]]; Dexter has to help his dad beat a hulking trucker at arm-wrestling. '''July 30, 1997'''
# Hunger Strikes / The Koos is Loose / Morning Stretch: Dexter creates an invention that will make him enjoy vegetables, but accidentally turns him into a veggie-crazed monster; Dee Dee's imaginary friend Koosalagoopagoop comes to life and pesters Dexter; Dexter creates a machine to turn 30 seconds into 30 minutes so he can get his morning routine done in time. '''August 6, 1997'''
# Dee Dee Locks and the Ness Monster / Backfire / Book 'Em: Dee Dee creates her own bedtime story; Dexter's latest improvement to the family car causes Dee Dee to fuse with it; Dexter must return a library book. '''August 13, 1997'''
# Sister's Got a Brand New Bag / Shoo, Shoe Gnomes / Lab of the Lost: Dee Dee gets some new dance moves and wants to show Dexter; Dexter finds a band of shoe gnomes have moved into his laboratory; Dexter comes across an abandoned part of his lab. '''August 20, 1997'''
# Labels / Game Show / Fantastic Boyage: Dexter creates a labeling gun to help him win an argument with Dee Dee; Dexter and Dee Dee compete on a game show; Dexter tries to cure Dee Dee's common cold, but accidentally winds up in the family dog. '''August 27, 1997'''
# Filet of Soul / Golden Diskette: Dexter and Dee Dee are haunted by the ghost of a goldfish that wasn't flushed down the toilet; Dee Dee wins a free trip to the lab of Professor Hawk in this parody of ''Film/WillyWonkaAndTheChocolateFactory''. '''September 3, 1997'''
# Snowdown / Figure Not Included / Mock 5: Dexter's dad coaches him in the art of snowball throwing; Dexter makes his own Major Glory action figure to fit in with some local kids; Dexter enters a soapbox derby in this ''Anime/SpeedRacer'' parody. '''September 10, 1997'''
# Ewww That's Growth / Nuclear Confusion / Germ Warfare: Dexter increases his height so he can go on a roller-coaster; Dexter must follow Dee Dee's clues in order to get back an unstable isotope; Dexter tries to avoid getting the flu. '''September 17, 1997'''
# A Hard Day's Day / Road Rash / Ocean Commotion: Dexter tries to get to the root of an unlucky day; Dexter's parents get him a bike, leading to a showdown against Dee Dee's roller-skates; Dexter's family goes to the beach, where Dexter helps Dee Dee save a baby whale from poaching pirates. '''September 24, 1997'''
# The Bus Boy / Things That Go Bonk in the Night / Ol' [=McDexter=]: Dexter tries to get his lucky pencil out of the back of the bus, even though the other kids dissuade him with terrifying stories about what lies there; Krunk dreams about spending the day with the TV Puppet Pals; Dexter gets sent to an Amish "farm camp" for the summer and tries to modernize them. '''October 1, 1997'''
# Sassy Come Home / Photo Finish: Dee Dee befriends a sasquatch while Dexter tries to catch it; Dexter must stop Dee Dee from showing photos of his lab to their parents and goes on a ''Film/JamesBond''-esque adventure to keep them from being developed. '''October 8, 1997'''
# Star Check Unconventional / Dexter is Dirty / Ice Cream Scream: Dexter and his friends get stuck at a "Darbie" doll convention while trying to go to a "Star Check" convention; Dexter laminates himself in an effort to stay clean; Dexter tries to catch the ice cream truck. '''October 15, 1997'''
# Decode of Honor / World's Greatest Mom / Ultrajerk 2000: Dexter and Dee Dee accidentally switch the coded messages in their cereal boxes; Dexter's mom gets hit by a ray and develops superpowers; Dexter's new robot proves to be a megalomaniacal jerk. '''October 22, 1997'''
# Techno Turtle / Surprise / Got Your Goat: Dexter gives a wounded turtle various enhancements; Dexter turns himself invisible on his birthday; Dexter and Dee Dee go to South America to catch the chupacabra. '''October 29, 1997'''
# Dee Dee Be Deep / 911 / Down in the Dumps: Dexter gives Dee Dee a deep bass voice trying to stop her annoying singing; Dexter decides to solve emergencies for his neighborhood when the Emergency Broadcast System interrupts Action Hank; Dexter must get Dee Dee's favorite teddy bear back when he throws it out. '''November 5, 1997'''
# Unfortunate Cookie / The Muffin King: Dexter and Dee Dee get their fingers stuck in a Chinese finger trap; Dexter and Dee Dee have to stop their father from eating their mother's freshly made muffins. '''November 12, 1997'''
# Picture Day / Now That's a Stretch / Dexter Detention: Dexter makes himself more photogenic for school picture day; Dexter improves his flexibility to ease his life; Dexter tries to escape detention. '''November 19, 1997'''
# Don't Be a Baby / Peltra / G.I.R.L. Squad: Dexter accidentally turns everyone but Dee Dee and himself into babies; The villainess Peltra wants to turn Monkey into a fur coat; Dee Dee and her friends are inspired by a school assembly to become crime fighters. '''November 26, 1997'''
# Sports a Poppin' / Koosalagoopagoop / Project Dee Dee: Dexter's dad tries to teach his son sports; Koos returns and tells Dee Dee that he is the king of Dee Dee's imaginary world; Dexter tries to helps Dee Dee with her science project. '''December 3, 1997'''
# [[Recap/DextersLaboratoryS2EP22 Topped Off / Dee Dee's Tail / No Power Trip]]: Dexter and Dee Dee become coffee addicts; Dexter turns Dee Dee into a horse, but she finds being an equine isn't all fun and frolic; When the power shuts down in his lab, Dexter tries to restore it. '''January 14, 1998 (produced in 1997)'''
# Sister Mom / The Laughing: Dexter disguises Dee Dee as his mother to go to a meeting with the principal; After being bitten by a party clown, Dexter becomes a "were-clown" and terrorizes the town whenever he has a laughing fit. '''January 21, 1998 (produced in 1997)'''
# Dexter's Lab: A Story / Coupon for Craziness / Better Off Wet: Dexter teaches a dog to speak - and finds he doesn't really have anything to say; Dexter switches places with a hyperactive boy with scientist parents; Dexter tries to avoid being pushed into the family's new swimming pool. '''January 28, 1998 (produced in 1997)'''
# Critical Gas / Let's Save the World You Jerk! / Average Joe: After Dexter eats a burrito, he mistakes his intestinal rumblings as his imminent death; Dexter and Mandark reluctantly team up to save the world from a comet; Dexter changes his life when an aptitude test makes him think he's not really a genius. '''February 4, 1998 (produced in 1997)'''
# Rushmore Rumble / A Boy and His Bug / You Vegetabelieve It!: Dexter and Mandark fight each other with giant-sized versions of George Washington and Abraham Lincoln; Dexter creates a metal-eating termite; Dee Dee accidentally creates gigantic garden plants with the growth formula she borrowed from Dexter. '''February 11, 1998 (produced in 1997)'''
# [[Recap/DextersLaboratoryS2E27AyeAyeEyesDeeDeeAndTheMan Aye Aye Eyes / Dee Dee and the Man]]: A little girl with huge eyes falls in love with Dexter; Dexter "fires" Dee Dee, but soon begins to miss her. '''February 18, 1998 (produced in 1997)'''
# Old Flame / Don't Be a Hero / My Favorite Martian: Dexter finds the caveman who invented fire in the past and takes him on a tour of his lab; Dexter tries to become a superhero, but all the powers he gives himself end up backfiring on him; Dexter goes to Mars to find intelligent life, and finds an alien who's really Dee Dee (who stowed away on his trip) in disguise. '''February 25, 1998'''

# Quiet Riot / Accent You Hate / Catch of the Day: Dexter tries to get some sleep; A bully starts harassing Dexter for his accent; Dexter and his father try to be the first to reach the fishing grounds. '''March 11, 1998'''
# Dad is Disturbed / Framed / That's Using Your Head: Dexter's dad tries to watch a golf game, but is constantly interrupted; Broken glasses become the newest fad at Dexter's school; Dexter mistakes a crazy hobo for someone trying to contact aliens. '''March 18, 1998'''
# [=DiM=] / Just an Old Fashioned Lab Song / Repairanoid: In this largely-silent episode, Dexter goes to buy a lightbulb; Dexter takes piano lessons against his will from Professor Williams; An electrician discovers Dexter's lab. '''March 25, 1998'''
# sdrawckaB / The Continuum of Cartoon Fools / Sun, Surf and Science: Dexter invents a belt that allows people to do things backwards; Dexter tries to figure how Dee Dee keeps entering his lab; Mandark enters a surfing contest to win Dee Dee's heart. '''April 1, 1998'''
# Big Bots / Gooey Aliens That Control Your Mind / Misplaced in Space: Dexter and Dee Dee try to save an island with giant robots; Dexter's parents and Dee Dee are mind controlled by an alien parasite; Dexter is accidentally transported to an extraterrestrial prison. '''April 8, 1998'''
# Dee Dee's Rival / Pslightly Psycho / Game for a Game: Mandark's sister tries to outdo Dee Dee at dance school; Dexter's family forces NeatFreak Mom to take a break from chores for Mother's Day; Dexter decides to prove to Dee Dee that she cannot beat him at every game. '''April 15, 1998'''
# Blackfoot and Slim / Trapped with a Vengeance / The Parrot Trap: A nature documentary team observe Dexter and Dee Dee in their natural habitat; Dexter is trapped in the school by a disgruntled janitor; Dexter makes a robotic parrot. '''April 22, 1998'''
# Dexter and Computress Get Mandark / Pain in the Mouth / Dexter vs. Santa's Claws: In this episode written by a 6-year-old boy, Dexter and Computress plot to get Mandark; Major Glory and Valhallen try to cure Krunk's toothache without going to the dentist; Dexter is hellbent on proving that Santa isn't real. '''April 29, 1998'''
# Dyno-Might / [=LABretto=]: [[WesternAnimation/DynomuttDogWonder The Blue Falcon]] comes to Dexter's lab to have Dynomutt fixed, and Dexter gives him a new and improved Dynomutt - who turns out to be too good; In this mini-opera, we see the story of how Dexter became who he is. '''May 6, 1998'''
# Last But Not Beast: During a trip to Japan, Dexter accidentally releases a {{Kaiju}}, and he, his family, the Justice Friends, and Monkey team up to fight it. '''June 15, 1998'''

# Streaky Clean / A Dad Cartoon / Sole Brother: Dexter makes a KillSat for the sole purpose of cleaning his clothes, but it malfunctions; Dexter's dad tries to fix his car; Dexter becomes fused to Dee Dee's foot. '''November 18, 2001'''
# Mind Over Chatter / A Quackor Cartoon / Momdark: Dexter tries to give himself the ability to read minds, but mistakenly allows everyone to read ''his'' mind instead; Quackor attempts revenge on Monkey; Mandark kidnaps Dexter's mom and then disguises himself as her in an attempt to sneak into Dexter's lab. '''November 18, 2001'''
# Copping an Aptitude / A Failed Lab Experiment / The Grand-Daddy of All Inventions: Dexter goes to college and finds it's not how he expected; Dexter creates goggles that allow him to see through solid objects, but things go wrong; Dexter learns his grandfather has a laboratory too. '''November 30, 2001'''
# Poppa Wheelie / A Mom Cartoon / The Mock Side of the Moon: It's Career Day at school, but Dexter is ashamed of his dad; Dexter's mom fights another woman at the supermarket over the last pack of rubber gloves; Dexter travels to the moon and finds an alien fleet prepared to go to Earth. '''January 18, 2002 (produced in 2001)'''
# If Memory Serves / A Mandark Cartoon / Tele-Trauma: Dexter creates a device to retrieve and record his memories, which Mandark tries to steal; Mandark goes through a typical day while scheming to defeat Dexter; Dexter creates a device that beams TV shows directly into his head. '''February 22, 2002 (produced in 2001)'''
# A Boy Named Sue / Lab on the Run: Mandark relates the story of his origin; Two robots (voiced by Fred Willard and Martin Mull) escape from Dexter's lab and try to live in the outside world. '''March 29, 2002 (produced in 2001)'''
# Dos Boot / A Dee Dee Cartoon / Would You Like That in the Can?: Mandark enters Dexter's computer through cyberspace, so Dexter enters cyberspace himself to defeat him; Dee Dee plays in her own "lab"; Dexter and his friend Douglas sneak into the girl's bathroom to retrieve Dexter's lunchbox after another student picked it up by mistake. '''June 7, 2002 (produced in 2001)'''
# That Magic Moment / A Silent Cartoon / Opposites Attract: Dexter's uncle Fergel O'Reilly (voiced by Creator/MarkHamill) visits the family; Dee Dee paints the lab pink; a magnetic field causes Dexter and Dee Dee to get stuck together. '''June 14, 2002 (produced in 2001)'''
# Comic Relief / A Third Dad Cartoon / [=RoboDexo3000=]: Dexter makes a lifelike superhero comic, with Dee Dee as the villainess "Deestructa"; Dexter's dad plays golf with his kids; Dexter creates the ultimate robot to replace his previous one. '''June 21, 2002 (produced in 2001)'''
# Glove at First Sight / A Mom and Dad Cartoon / Smells Like Victory: We learn how Dexter's parents met in the 80s; Dexter and Dee Dee eavesdrop on their parents and mistakenly conclude that they are breaking up; the U.S. army discovers Dexter's lab and believes it is a base for alien invaders. '''June 28, 2002 (produced in 2001)'''
# Oh, Brother / Another Dad Cartoon / Bar Exam: Dexter travels to another universe where he has a brother instead of a sister; while home alone, Dexter's dad cuts loose; Dexter must pass P.E. or else he'll be held back a grade. '''July 5, 2002 (produced in 2001)'''
# Jeepers, Creepers, Where is Peepers? / Go, Dexter Family! Go!: Dexter and Koos must rescue Koos' friend Peepers and the land of imagination from an invader; Dexter's family teams up to rescue him from aliens. '''July 12, 2002 (produced in 2001)'''
# Scare Tactics / A Mom Cartoon / My Dad vs. Your Dad: Dexter and his dad both become rattled by a scary movie; Dexter's mom fights another woman at the supermarket over the last pack of rubber gloves[[note]]A rerun of an earlier episode.[[/note]]; Dexter and Mandark's fathers meet each other and eventually start fighting. '''September 20, 2002 (produced in 2001)'''

# Beau Tie / Remember Me / Overlabbing: Dee Dee's new boyfriend likes science, so Dexter tries to talk to him and show him his work; Dexter gets amnesia, so Dee Dee attempts to mold him in her image; Dexter and Mandark drill underground to expand their labs and end up butting heads. '''November 22, 2002'''
# Sis-Tem Error / Bad Cable Manners / Dexter's Library: Dee Dee accidentally shuts down the lab and tries to prevent Dexter from finding out she was responsible; Dexter helps his dad get cable TV; Dexter becomes the stern new administrator of the local library. '''April 25, 2003 (produced in 2002)'''
# The Scrying Game / Monstrosi-Dee Dee / Dad Man Walking: Dee Dee tries to predict Dexter's future; Dee Dee eats an apple that turns her into a monster; Dexter's dad sleepwalks into the lab. '''May 2, 2003 (produced in 2002)'''
# Dexter's Little Dilemma / Faux Chapeau / D2: Dexter attempts to study his parents by shrinking them and placing them in a model of the house without their knowledge; Dee Dee wears Dexter's invention around town because it looks like a hat; Dexter and Dee Dee decide they make a good team and start doing everything together. '''May 9, 2003 (produced in 2002)'''
# Head Band / Stuffed Animal House / Used Ink: A song that gets stuck in people's heads is actually a virus; Dexter accidentally brings Dee Dee's stuffed animals to life; Dexter creates a special ink that can control people when used to write commands. '''May 16, 2003 (produced in 2002)'''
# School Girl Crushed / Chess Mom / Father Knows Least: Dexter and Mandark reluctantly team up when a new girl at school starts outdoing them; Dexter's mom repeatedly embarrasses him while he's competing in a chess tournament; Dexter's dad has to watch the kids while his wife is visiting her sister. '''May 23, 2003 (produced in 2002)'''
# Dexter the Barbarian / Tuber Time / Sore Eyes: Dexter tries to emulate a BarbarianHero; Dexter studies potatoes and their ability to generate electricity; Dexter gives himself laser eye surgery, but his new vision works a little too well. '''May 30, 2003 (produced in 2002)'''
# Babe Sitter / Mountain Mandark / 2Geniuses 2Gether 4Ever: Mandark's parents hire Dee Dee to babysit him; Mandark gets in touch with nature; Dexter and Mandark team up, but Dexter finds himself doing all the work. '''September 5, 2003'''
# Height Unseen / Bygone Errors / Folly Calls: Dexter tries to make everyone shorter than him; in the future, an elderly Dexter talks about the GloryDays, but Dee Dee interrupts him and explains what really happened; When Dee Dee accidentally cuts off her pigtail, Dexter gives her a formula to grow it back, but she uses too much and her hair grows out of control. '''September 12, 2003'''
# Voice Over / Blonde Leading the Blonde / Comic Stripper: Dexter tries to fix his computer's voice module; Dee Dee secretly dyes Dexter's hair blonde; Dexter finds out that all of Mandark's plans are taken from a comic book. '''September 19, 2003'''
# Tee Party / Dexter's Wacky Races: Dexter and his dad enter a golf tournament, but dad is inept at it; 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. '''September 26, 2003'''
# The Lab of Tomorrow / Chicken Scratch / Garage Sale: A documentary on the future of laboratories; When Dexter gets the chicken pox, Dee Dee tells him scratching himself will make him turn into a chicken, and he believes her; Dexter's parents get one of Dexter's inventions and sells it at a garage sale. '''November 4, 2003'''
# They Got Chops / Poetic Injustice / Comedy of Feathers: Dexter and Dee Dee both learn martial arts; Dexter falls in love with a new girl at school and desperately tries to win her heart; Dee Dee tries to save an ostrich at the zoo. '''November 20, 2003'''

# Rude Removal: Dexter accidentally creates foul-mouthed, rude versions of himself and Dee Dee.

[[/index]]

# [[Recap/DextersLaboratoryS1EP1 [=DeeDeemensional=] / Magmanamus / Maternal Combat:]] When one of Dexter's inventions goes wrong, Dee Dee must go back in time to save him; Monkey has to defeat the lava monster Magmanamus, who just wants the noisy city-dwelling humans to pipe down and let him sleep; Dexter creates a mom-bot when his mother falls sick, but Dee Dee steals it. '''April 28, 1996'''

# Topped Off / Dee Dee's Tail / No Power Trip: Dexter and Dee Dee become coffee addicts; Dexter turns Dee Dee into a horse, but she finds being an equine isn't all fun and frolic; When the power shuts down in his lab, Dexter tries to restore it. '''January 14, 1998 (produced in 1997)'''

# Dexter's Wacky Racez

# Dexter's Rival / Simion / Old Man Dexter: Mandark, the new kid at school, shows Dexter up on everything he was best in; Monkey fights the superintelligent supervillain chimp Simion; Dexter creates an aging machine to make him an adult, but Dee Dee's tampering turns Dexter into an old man [[note]] One of the original four ''WesternAnimation/WhatACartoonShow'' pilots. [[/note]]. '''May 12, 1996'''
# Double Trouble / Barbequor / Dexter's Laboratory: Dexter clones himself to prevent Dee Dee and her friends Mimi and Lee Lee from causing more mayhem; Monkey must stop Barbequor and Silver Spooner from devouring Earth; Dexter creates an invention that turns people into animals [[note]] One of the original four ''WesternAnimation/WhatACartoonShow'' pilots. [[/note]]. '''May 19, 1996'''
# Jurassic Pooch / Orgon Grindor / Dimwit Dexter: Dexter creates a pet dinosaur, but thanks to using DNA borrowed from a household pet it acts more like a dog; Monkey is hypnotized by an alien invader into doing evil; Dexter temporarily becomes an idiot from overworking himself [[note]] One of the original four ''WesternAnimation/WhatACartoonShow'' pilots. [[/note]]. '''May 26, 1996'''
# Dee Dee's Room / Huntor / The Big Sister: Dexter must retrieve a critical invention from Dee Dee's room; Monkey becomes the target of an alien hunter; Dexter accidentally turns Dee Dee into a giant [[note]] One of the original four ''WesternAnimation/WhatACartoonShow'' pilots. [[/note]]. '''June 2, 1996'''

# [[Recap/DextersLaboratoryS1EP1 [=DeeDeemensional=] / Magmanamus / Maternal Combat:]] When one of Dexter's inventions goes wrong, Dee Dee must go back in time to save him; Monkey has to defeat the lava monster Magmanamus, who just wants the noisy city-dwelling humans to pipe down and let him sleep; Dexter creates a mom-bot when his mother falls sick, but Dee Dee steals it. '''April 28, 1996'''[[/index]]

[[index]]

[[/index]]

[[/folder]]

# Inflata-Dee Dee / Can't Nap / Monstory: When Dee Dee hijacks his inflatable hydro-plasmatic suit, Dexter tries to get his now-buoyant sister down; Valhallen invites White Tiger to stay at the apartment overnight, but Major Glory has allergies; Dexter's silencing formula turns Dee Dee into a giant monster. '''January 1, 1997 (produced in 1996)'''

# Dad is Disturbed / Framed / That's Using Your Head: Dexter's dad tries to watch TV, but something always gets in the way; Broken glasses become the newest fad at Dexter's school; Dexter mistakes a crazy hobo for someone trying to contact aliens. '''March 18, 1998'''

[[index]]
# ''WesternAnimation/EgoTrip'': When an army of robots invade his lab through a time machine, Dexter travels to the future to find out what happened. '''December 10, 1999''' [[/index]]

[[folder:Special (December 10, 1999)]]

# ''WesternAnimation/EgoTrip'': When an army of robots invade his lab through a time machine, Dexter travels to the future to find out what happened. '''December 10, 1999'''

[[/index]]

[[index]]

[[/folder]]

# [[Recap/DextersLaboratoryS1EP1 [=DeeDeemensional=] / Magmanamus / Maternal Combat:]] When one of Dexter's inventions goes wrong, Dee Dee must go back in time to save him; Monkey has to defeat the lava monster Magmanamus, who just wants the noisy city-dwelling humans to pipe down and let him sleep; Dexter creates a mom-bot when his mother falls sick, but Dee Dee steals it. '''April 28, 1996'''

# Dexter and Computress Get Mandark / Pain in the Mouth / Dexter vs. Santa's Claws: In this episode written by a 6-year-old boy, [[ExactlyWhatItSaysOnTheTin Dexter and Computress plot to get Mandark]]; Major Glory and Valhallen try to cure Krunk's toothache without going to the dentist; Dexter is hellbent on proving that Santa isn't real. '''April 29, 1998'''

[[/folder]]

[[/index]]

# Star Check Unconventional / Dexter is Dirty / Ice Cream Scream: Dexter and his friends get stuck at a "Darbie" doll convention; Dexter laminates himself in an effort to stay clean; Dexter tries to catch the ice cream truck. '''October 15, 1997'''

# Star Check Unconventional / Dexter is Dirty / Ice Cream Scream: Dexter and his friends get stuck at a "Darbie" doll convention; Dexter laminates himself in an effor to stay clean; Dexter tries to catch the ice cream truck. '''October 15, 1997'''

# Big Bots / Gooey Aliens That Control Your Mind / Misplaced in Space: Dexter and Dee Dee try to save an island with giant robots; Dexter's parents and Dee Dee are mind controlled by an alien; Dexter accidentally teleports himself to an extraterrestrial prison. '''April 8, 1998'''
# Dee Dee's Rival / Pslightly Psycho / Game for a Game: Mandark's sister tries to outdo Dee Dee at dance school; Dexter's family gives mom a break from chores for Mother's Day; Dexter decides to prove to Dee Dee that she cannot beat him at every game. '''April 15, 1998'''
# Blackfoot and Slim / Trapped with a Vengeance / The Parrot Trap: A nature documentary team observe Dexter and Dee Dee in their natural habitat; Dexter is trapped in the school by the angry janitor; Dexter makes a robotic parrot. '''April 22, 1998'''
# Dexter and Computress Get Mandark / Pain in the Mouth / Dexter vs. Santa's Claws: In this episode written by a 6-year-old boy, Dexter and Computress, well, get Mandark; Major Glory and Valhallen try to cure Krunk's toothache without going to the dentist; Dexter is hellbent on proving that Santa isn't real. '''April 29, 1998'''
# Dyno-Might / [=LABretto=]: [[WesternAnimation/DynomuttDogWonder The Blue Falcon]] comes to Dexter's lab to have Dynomutt fixed, and Dexter gives him a new and improved Dynomutt - which turns out to be too good; In this mini-opera, we see the story of how Dexter became who he is. '''May 6, 1998'''

# Poppa Wheelie / A Mom Cartoon / The Mock Side of the Moon: It's Career Day at school, but Dexter is ashamed of his dad; Dexter's mom fights another woman at the supermarket; Dexter travels to the moon and finds an alien fleet prepared to go to Earth. '''January 18, 2002 (produced in 2001)'''
# If Memory Serves / A Mandark Cartoon / Tele-Trauma: Dexter creates a device to retrieve and record his memories; Mandark goes through a typical day while scheming to defeat Dexter; Dexter creates a device that beams TV shows directly into his head. '''February 22, 2002 (produced in 2001)'''

# Dos Boot / A Dee Dee Cartoon / Would You Like That in the Can?: Mandark enters Dexter's computer through cyberspace, so Dexter enters cyberspace himself to defeat him; Dee Dee plays in her own "lab"; Dexter and his friend Douglass Mordecai sneak into the girl's bathroom to retrieve Dexter's lunchbox after another student picked it up by mistake. '''June 7, 2002 (produced in 2001)'''

# Oh, Brother / Another Dad Cartoon / Bar Exam: Dexter turns Dee Dee into a boy; while home alone, Dexter's dad dances through the house; Dexter must pass P.E. or else he'll be held back a grade. '''July 5, 2002 (produced in 2001)'''

# Scare Tactics / A Mom Cartoon / My Dad vs. Your Dad: Dexter and his dad both become rattled by a scary movie; Dexter's mom fights another woman at the supermarket [[note]]A rerun of an earlier episode.[[/note]]; Dexter and Mandark's parents meet each other and eventually start fighting. '''September 20, 2002 (produced in 2001)'''

# Beau Tie / Remember Me / Overlabbing: Dee Dee's new boyfriend likes science, so Dexter tries to talk to him and show him his work; Dexter gets amnesia, so Dee Dee attempts to mold him in her image; Dexter and Mandark drill underground to expand their labs and meet each other. '''November 22, 2002'''
# Sis-Tem Error / Bad Cable Manners / Dexter's Library: Dee Dee accidentally shuts down the lab and tries to prevent Dexter from finding out she was responsible; Dexter helps his dad get cable TV; Dexter becomes the stern administrator of the local library. '''April 25, 2003 (produced in 2002)'''
# The Scrying Game / Monstrosi-Dee Dee / Dad Man Walking: Dee Dee learns of a game that can predict the future; Dee Dee eats an apple that turns her into a monster; Dexter's dad sleepwalks into the lab. '''May 2, 2003 (produced in 2002)'''

# Dexter the Barbarian / Tuber Time / Sore Eyes: Dexter tries to emulate a BarbarianHero; Dexter studies potatoes and their ability to generate electricity; Dexter gives himself laser eye surgery. '''May 30, 2003 (produced in 2002)'''
# Babe Sitter / Mountain Mandark / 2Geniuses 2Gether 4Ever: Mandarks parents hire Dee Dee to babysit him; Mandark gets in touch with nature; Dexter and Mandark team up, but Dexter finds himself doing all the work. '''September 5, 2003'''

# [[Recap/DextersLaboratoryS1EP1 [=DeeDeemensional=] / Magmanamus / Maternal Combat:]] When one of Dexter's inventions goes wrong, Dee Dee must go back in time to save him; Monkey has to defeat the noisy lava monster Magmanamus, who just wants to sleep; Dexter creates a mom-bot when his mother falls sick, but Dee Dee steals it. '''April 28, 1996'''
# Dexter Dodgeball / Rasslor / Dexter's Assistant: Dexter builds a robot exoskeleton for dodgeball; An intergalactic wrestler (voiced by Wrestling/RandySavage) challenges Monkey; Dexter makes Dee Dee smart, which he soon regrets, since she proves to be smarter than him. '''May 5, 1996'''

# Double Trouble / Barbequor / Dexter's Laboratory: Dexter clones himself to prevent Dee Dee and her friends from causing more mayhem; Monkey must stop Barbequor and Silver Spooner from devouring Earth; Dexter creates an invention that turns people into animals [[note]] One of the original four ''WesternAnimation/WhatACartoonShow'' pilots. [[/note]]. '''May 19, 1996'''
# Jurassic Pooch / Orgon Grindor / Dimwit Dexter: Dexter creates a pet dinosaur, but it acts like a dog; Monkey is hypnotized by an alien invader into doing evil; Dexter becomes an idiot from lab-related stress [[note]] One of the original four ''WesternAnimation/WhatACartoonShow'' pilots. [[/note]]. '''May 26, 1996'''
# Dee Dee's Room / Huntor / The Big Sister: Dexter must retrieve a critical invention from Dee Dee's room; Monkey encounters an alien hunter; Dexter accidentally turns Dee Dee into a giant [[note]] One of the original four ''WesternAnimation/WhatACartoonShow'' pilots. [[/note]]. '''June 2, 1996'''

# Babysitter Blues / Valhallen's Room / Dream Machine: Dexter develops a crush on his babysitter; Valhallen loses his magic axe and Major Glory and Krunk must find it in his room; Dexter creates a good dream machine. '''November 27, 1996'''
# Dollhouse Drama / Krunk's Date / The Big Cheese: When Dexter becomes suspicious of Dee Dee's lack of interference, he infiltrates her room by shrinking himself to doll size; Krunk falls in love with a member of Comrade Red's gang: She-Thing; Dexter creates a machine that will let him speak French, but it malfunctions, and all he's able to say is "omelette du fromage." '''December 4, 1996'''
# Way of the Dee Dee / Say Uncle Sam / Tribe Called Girl: Dee Dee teaches Dexter how to be carefree; Major Glory's uncle plans on visiting him, so he needs the apartment cleaned up; Dexter decides to learn more about the opposite sex by observing them, naturalist-style. '''December 11, 1996'''
# Space Case / Ratman / Dexter's Debt: Dexter gives Dee Dee away to aliens; Krunk and Valhallen meet Ratman in the basement; Dexter needs to repay two hundred million dollars to NASA. '''December 18, 1996'''

# Inflata-Dee Dee / Can't Nap / Monstory: Dee Dee inflates Dexter's hydro-plasmatic suit and now can't get on the ground; Valhallen invites White Tiger to stay at the apartment overnight, but Major Glory has allergies; Dexter's silencing formula turns Dee Dee into a giant monster. '''January 1, 1997 (produced in 1996)'''

# Beard to Be Feared / Quackor the Fowl / Ant Pants: Dexter gives himself a beard; Mandark is unaware that his lab duck Quackor is a supervillain; Dexter and Dee Dee shrink themselves to visit an ant colony. '''July 16, 1997'''
# Mom and Jerry / Chubby Cheese / That Crazy Robot: Dexter switches his brain with a mouse's; Dexter tries to win a toy at the local SuckECheeses; One of Dexter's robots becomes a servant for Dee Dee. '''July 23, 1997'''
# D & DD / Hamhocks and Armlocks: Dexter's friends make Dee Dee the Game Master of their ''TabletopGame/DungeonsAndDragons'' game; Dexter gives his dad a robotic arm. '''July 30, 1997'''
# Hunger Strikes / The Koos is Loose / Morning Stretch: Dexter creates an invention that will make him enjoy his vegetables; Dee Dee's imaginary friend Koosalagoopagoop comes to life; Dexter creates a machine to turn 30 seconds into 30 minutes. '''August 6, 1997'''
# Dee Dee Locks and the Ness Monster / Backfire / Book 'Em: Dee Dee creates her own bedtime story; Dexter's latest improvement to the family car goes wrong; Dexter must return a library book. '''August 13, 1997'''
# Sister's Got a Brand New Bag / Shoo, Shoe Gnomes / Lab of the Lost: Dee Dee gets some new dance moves; Dexter and Dee Dee try to find shoe gnomes; Dexter comes across an abandoned part of his lab. '''August 20, 1997'''
# Labels / Game Show / Fantastic Boyage: Dexter creates a labeling gun; Dexter and Dee Dee compete on a game show; Dexter tries to cure Dee Dee's common cold, but many mistakes are made on the way. '''August 27, 1997'''

# Snowdown / Figure Not Included / Mock 5: Dexter's dad teaches him the art of snowball throwing; Dexter makes his own Major Glory action figure to join a Major Glory gang; Dexter enters a soapbox derby in this ''Anime/SpeedRacer'' parody. '''September 10, 1997'''
# Ewww That's Growth / Nuclear Confusion / Germ Warfare: Dexter increases his height to go on a roller-coaster; Dexter must find the hidden core of his nuclear lamp; Dexter tries to avoid getting the flu. '''September 17, 1997'''
# A Hard Day's Day / Road Rash / Ocean Commotion: Dexter tries to move his lab to the Moon; Dexter's parents get him a bike so he tries to outrun Dee Dee's roller-skates; Dexter's family goes to the beach. '''September 24, 1997'''
# The Bus Boy / Things That Go Bonk in the Night / Ol' [=McDexter=]: Dexter tries to get his pencil out of the back of the bus, even though the other kids dissuade him with terrifying stories about what lies there; Krunk dreams about the Puppet Pals on TV; Dexter gets sent to an Amish camp for the summer and tries to modernize them. '''October 1, 1997'''

# Star Check Unconventional / Dexter is Dirty / Ice Cream Scream: Dexter and his friends get stuck at a "Darbie" doll convention; Dexter laminates himself; Dexter tries to catch the ice cream truck. '''October 15, 1997'''

# Techno Turtle / Surprise / Got Your Goat: Dexter gives a turtle various enhancements; Dexter turns himself invisible on his birthday; Dexter and Dee Dee go to South America to catch the chupacabra. '''October 29, 1997'''
# Dee Dee Be Deep / 911 / Down in the Dumps: Dexter gives Dee Dee a deep bass voice trying to stop her annoying singing; Dexter decides to solve emergencies for his neighbourhood when the Emergency Broadcast System interrupts Action Hank; Dexter must get Dee Dee's favourite teddy bear back when he throws it out. '''November 5, 1997'''

# Picture Day / Now That's a Stretch / Dexter Detention: Dexter makes himself more photogenic; Dexter improves his flexibility to ease his life; Dexter tries to escape detention. '''November 19, 1997'''
# Don't Be a Baby / Peltra / G.I.R.L. Squad: Dexter accidentally turns everyone but Dee Dee and himself into babies; Peltra wants to turn Monkey into a fur coat; Dee Dee and her friends become crime fighters. '''November 26, 1997'''
# Sports a Poppin' / Koosalagoopagoop / Project Dee Dee: Dexter's dad tries to teach his son sports; Koos returns and tells Dee Dee that he is the king of Dee Dee's imagination world; Dexter tries to helps Dee Dee with her science project. '''December 3, 1997'''
# Topped Off / Dee Dee's Tail / No Power Trip: Dexter and Dee Dee become coffee addicts; Dexter turns Dee Dee into a horse; When the power shuts down in his lab, Dexter tries to restore it. '''January 14, 1998 (produced in 1997)'''
# Sister Mom / The Laughing: Dexter disguises Dee Dee as his mother to go to a meeting with the principal; When he is bitten by a clown, Dexter becomes one every night and goes about terrorizing the town. '''January 21, 1998 (produced in 1997)'''

# Critical Gas / Let's Save the World You Jerk! / Average Joe: After Dexter eats a burrito, he mistakes his intestinal rumblings as his imminent death; Dexter and Mandark reluctantly team up to save the world from a comet; Dexter changes his life when a fake test makes him think he's not really a genius. '''February 4, 1998 (produced in 1997)'''
# Rushmore Rumble / A Boy and His Bug / You Vegetabelieve It!: Dexter and Mandark fight each other with giant-sized versions of George Washington and Abraham Lincoln; Dexter creates a metal-eating termite; Dexter creates gigantic garden plants. '''February 11, 1998 (produced in 1997)'''

# Old Flame / Don't Be a Hero / My Favorite Martian: Dexter finds the caveman who invented fire in the past and takes him on a tour of his lab; Dexter tries to become a superhero, but all the ways he tries end up backfiring on him; Dexter goes to Mars to find intelligent life, and finds an alien who's really Dee Dee (who stowed away on his trip) in disguise. '''February 25, 1998'''

[[/folder]]

# [[https://tvtropes.org/pmwiki/pmwiki.php/Recap/DextersLaboratoryS1EP1 [=DeeDeemensional=] / Magmanamus / Maternal Combat:]] When one of Dexter's inventions goes wrong, Dee Dee must go back in time to save him; Monkey has to defeat the noisy lava monster Magmanamus, who just wants to sleep; Dexter creates a mom-bot when his mother falls sick, but Dee Dee steals it. '''April 28, 1996'''

[[folder:Season Three]]
# Streaky Clean / A Dad Cartoon / Sole Brother: Dexter makes a KillSat for the sole purpose of cleaning his clothes, but it malfunctions; Dexter's dad tries to fix his car; Dexter becomes fused to Dee Dee's foot.
# Mind Over Chatter / A Quackor Cartoon / Momdark: Dexter tries to give himself the ability to read minds, but mistakenly allows everyone to read ''his'' mind instead; Quackor attempts revenge on Monkey; Mandark kidnaps Dexter's mom and then disguises himself as her in an attempt to sneak into Dexter's lab.
# Copping an Aptitude / A Failed Lab Experiment / The Grand-Daddy of All Inventions: Dexter goes to college and finds it's not how he expected; Dexter creates goggles that allow him to see through solid objects, but things go wrong; Dexter learns his grandfather has a laboratory too.
# Poppa Wheelie / A Mom Cartoon / The Mock Side of the Moon: It's Career Day at school, but Dexter is ashamed of his dad; Dexter's mom fights another woman at the supermarket; Dexter travels to the moon and finds an alien fleet prepared to go to Earth.
# If Memory Serves / A Mandark Cartoon / Tele-Trauma: Dexter creates a device to retrieve and record his memories; Mandark goes through a typical day while scheming to defeat Dexter; Dexter creates a device that beams TV shows directly into his head.
# A Boy Named Sue / Lab on the Run: Mandark relates the story of his origin; Two robots (voiced by Fred Willard and Martin Mull) escape from Dexter's lab and try to live in the outside world.
# Dos Boot / A Dee Dee Cartoon / Would You Like That in the Can?: Mandark enters Dexter's computer through cyberspace, so Dexter enters cyberspace himself to defeat him; Dee Dee plays in her own "lab"; Dexter and his friend Douglass Mordecai sneak into the girl's bathroom to retrieve Dexter's lunchbox after another student picked it up by mistake.
# That Magic Moment / A Silent Cartoon / Opposites Attract: Dexter's uncle Fergel O'Reilly (voiced by Creator/MarkHamill) visits the family; Dee Dee paints the lab pink; a magnetic field causes Dexter and Dee Dee to get stuck together.
# Comic Relief / A Third Dad Cartoon / [=RoboDexo3000=]: Dexter makes a lifelike superhero comic, with Dee Dee as the villainess "Deestructa"; Dexter's dad plays golf with his kids; Dexter creates the ultimate robot to replace his previous one.
# Glove at First Sight / A Mom and Dad Cartoon / Smells Like Victory: We learn how Dexter's parents met in the 80s; Dexter and Dee Dee eavesdrop on their parents and mistakenly conclude that they are breaking up; the U.S. army discovers Dexter's lab and believes it is a base for alien invaders.
# Oh, Brother / Another Dad Cartoon / Bar Exam: Dexter turns Dee Dee into a boy; while home alone, Dexter's dad dances through the house; Dexter must pass P.E. or else he'll be held back a grade.
# Jeepers, Creepers, Where is Peepers? / Go, Dexter Family! Go!: Dexter and Koos must rescue Koos' friend Peepers and the land of imagination from an invader; Dexter's family teams up to rescue him from aliens.
# Scare Tactics / A Mom Cartoon / My Dad vs. Your Dad: Dexter and his dad both become rattled by a scary movie; Dexter's mom fights another woman at the supermarket [[note]]A rerun of an earlier episode.[[/note]]; Dexter and Mandark's parents meet each other and eventually start fighting.

[[folder:Season Four]]
# Beau Tie / Remember Me / Overlabbing: Dee Dee's new boyfriend likes science, so Dexter tries to talk to him and show him his work; Dexter gets amnesia, so Dee Dee attempts to mold him in her image; Dexter and Mandark drill underground to expand their labs and meet each other.
# Sis-Tem Error / Bad Cable Manners / Dexter's Library: Dee Dee accidentally shuts down the lab and tries to prevent Dexter from finding out she was responsible; Dexter helps his dad get cable TV; Dexter becomes the stern administrator of the local library.
# The Scrying Game / Monstrosi-Dee Dee / Dad Man Walking: Dee Dee learns of a game that can predict the future; Dee Dee eats an apple that turns her into a monster; Dexter's dad sleepwalks into the lab.
# Dexter's Little Dilemma / Faux Chapeau / D2: Dexter attempts to study his parents by shrinking them and placing them in a model of the house without their knowledge; Dee Dee wears Dexter's invention around town because it looks like a hat; Dexter and Dee Dee decide they make a good team and start doing everything together.
# Head Band / Stuffed Animal House / Used Ink: A song that gets stuck in people's heads is actually a virus; Dexter accidentally brings Dee Dee's stuffed animals to life; Dexter creates a special ink that can control people when used to write commands.
# School Girl Crushed / Chess Mom / Father Knows Least: Dexter and Mandark reluctantly team up when a new girl at school starts outdoing them; Dexter's mom repeatedly embarrasses him while he's competing in a chess tournament; Dexter's dad has to watch the kids while his wife is visiting her sister.
# Dexter the Barbarian / Tuber Time / Sore Eyes: Dexter tries to emulate a BarbarianHero; Dexter studies potatoes and their ability to generate electricity; Dexter gives himself laser eye surgery.
# Babe Sitter / Mountain Mandark / 2Geniuses 2Gether 4Ever: Mandarks parents hire Dee Dee to babysit him; Mandark gets in touch with nature; Dexter and Mandark team up, but Dexter finds himself doing all the work.
# Height Unseen / Bygone Errors / Folly Calls: Dexter tries to make everyone shorter than him; in the future, an elderly Dexter talks about the GloryDays, but Dee Dee interrupts him and explains what really happened; When Dee Dee accidentally cuts off her pigtail, Dexter gives her a formula to grow it back, but she uses too much and her hair grows out of control.
# Voice Over / Blonde Leading the Blonde / Comic Stripper: Dexter tries to fix his computer's voice module; Dee Dee secretly dyes Dexter's hair blonde; Dexter finds out that all of Mandark's plans are taken from a comic book.
# Tee Party / Dexter's Wacky Races: Dexter and his dad enter a golf tournament, but dad is inept at it; 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.
# The Lab of Tomorrow / Chicken Scratch / Garage Sale: A documentary on the future of laboratories; When Dexter gets the chicken pox, Dee Dee tells him scratching himself will make him turn into a chicken, and he believes her; Dexter's parents get one of Dexter's inventions and sells it at a garage sale.
# They Got Chops / Poetic Injustice / Comedy of Feathers: Dexter and Dee Dee both learn martial arts; Dexter falls in love with a new girl at school and desperately tries to win her heart; Dee Dee tries to save an ostrich at the zoo.

# Inflata-Dee Dee / Can't Nap / Monstory: Dee Dee inflates Dexter's hydro-plasmatic suit and now can't get on the ground; Valhallen invites White Tiger to stay at the apartment overnight, but Major Glory has allergies; Dexter's silencing formula turns Dee Dee into a giant monster. '''January 1, 1997'''

[[folder:Season Two]]
# Beard to Be Feared / Quackor the Fowl / Ant Pants: Dexter gives himself a beard; Mandark is unaware that his lab duck Quackor is a supervillain; Dexter and Dee Dee shrink themselves to visit an ant colony.
# Mom and Jerry / Chubby Cheese / That Crazy Robot: Dexter switches his brain with a mouse's; Dexter tries to win a toy at the local SuckECheeses; One of Dexter's robots becomes a servant for Dee Dee.
# D & DD / Hamhocks and Armlocks: Dexter's friends make Dee Dee the Game Master of their ''TabletopGame/DungeonsAndDragons'' game; Dexter gives his dad a robotic arm.
# Hunger Strikes / The Koos is Loose / Morning Stretch: Dexter creates an invention that will make him enjoy his vegetables; Dee Dee's imaginary friend Koosalagoopagoop comes to life; Dexter creates a machine to turn 30 seconds into 30 minutes.
# Dee Dee Locks and the Ness Monster / Backfire / Book 'Em: Dee Dee creates her own bedtime story; Dexter's latest improvement to the family car goes wrong; Dexter must return a library book.
# Sister's Got a Brand New Bag / Shoo, Shoe Gnomes / Lab of the Lost: Dee Dee gets some new dance moves; Dexter and Dee Dee try to find shoe gnomes; Dexter comes across an abandoned part of his lab.
# Labels / Game Show / Fantastic Boyage: Dexter creates a labeling gun; Dexter and Dee Dee compete on a game show; Dexter tries to cure Dee Dee's common cold, but many mistakes are made on the way.
# Filet of Soul / Golden Diskette: Dexter and Dee Dee are haunted by the ghost of a goldfish that wasn't flushed down the toilet; Dee Dee wins a free trip to the lab of Professor Hawk in this parody of ''Film/WillyWonkaAndTheChocolateFactory''.
# Snowdown / Figure Not Included / Mock 5: Dexter's dad teaches him the art of snowball throwing; Dexter makes his own Major Glory action figure to join a Major Glory gang; Dexter enters a soapbox derby in this ''Anime/SpeedRacer'' parody.
# Ewww That's Growth / Nuclear Confusion / Germ Warfare: Dexter increases his height to go on a roller-coaster; Dexter must find the hidden core of his nuclear lamp; Dexter tries to avoid getting the flu.
# A Hard Day's Day / Road Rash / Ocean Commotion: Dexter tries to move his lab to the Moon; Dexter's parents get him a bike so he tries to outrun Dee Dee's roller-skates; Dexter's family goes to the beach.
# The Bus Boy / Things That Go Bonk in the Night / Ol' [=McDexter=]: Dexter tries to get his pencil out of the back of the bus, even though the other kids dissuade him with terrifying stories about what lies there; Krunk dreams about the Puppet Pals on TV; Dexter gets sent to an Amish camp for the summer and tries to modernize them.
# Sassy Come Home / Photo Finish: Dee Dee befriends a sasquatch while Dexter tries to catch it; Dexter must stop Dee Dee from showing photos of his lab to their parents and goes on a ''Film/JamesBond''-esque adventure to keep them from being developed.
# Star Check Unconventional / Dexter is Dirty / Ice Cream Scream: Dexter and his friends get stuck at a "Darbie" doll convention; Dexter laminates himself; Dexter tries to catch the ice cream truck.
# Decode of Honor / World's Greatest Mom / Ultrajerk 2000: Dexter and Dee Dee accidentally switch the coded messages in their cereal boxes; Dexter's mom gets hit by a ray and develops superpowers; Dexter's new robot proves to be a megalomaniacal jerk.
# Techno Turtle / Surprise / Got Your Goat: Dexter gives a turtle various enhancements; Dexter turns himself invisible on his birthday; Dexter and Dee Dee go to South America to catch the chupacabra.
# Dee Dee Be Deep / 911 / Down in the Dumps: Dexter gives Dee Dee a deep bass voice trying to stop her annoying singing; Dexter decides to solve emergencies for his neighbourhood when the Emergency Broadcast System interrupts Action Hank; Dexter must get Dee Dee's favourite teddy bear back when he throws it out.
# Unfortunate Cookie / The Muffin King: Dexter and Dee Dee get their fingers stuck in a Chinese finger trap; Dexter and Dee Dee have to stop their father from eating their mother's freshly made muffins.
# Picture Day / Now That's a Stretch / Dexter Detention: Dexter makes himself more photogenic; Dexter improves his flexibility to ease his life; Dexter tries to escape detention.
# Don't Be a Baby / Peltra / G.I.R.L. Squad: Dexter accidentally turns everyone but Dee Dee and himself into babies; Peltra wants to turn Monkey into a fur coat; Dee Dee and her friends become crime fighters.
# Sports a Poppin' / Koosalagoopagoop / Project Dee Dee: Dexter's dad tries to teach his son sports; Koos returns and tells Dee Dee that he is the king of Dee Dee's imagination world; Dexter tries to helps Dee Dee with her science project.
# Topped Off / Dee Dee's Tail / No Power Trip: Dexter and Dee Dee become coffee addicts; Dexter turns Dee Dee into a horse; When the power shuts down in his lab, Dexter tries to restore it.
# Sister Mom / The Laughing: Dexter disguises Dee Dee as his mother to go to a meeting with the principal; When he is bitten by a clown, Dexter becomes one every night and goes about terrorizing the town.
# Dexter's Lab: A Story / Coupon for Craziness / Better Off Wet: Dexter teaches a dog to speak - and finds he doesn't really have anything to say; Dexter switches places with a hyperactive boy with scientist parents; Dexter tries to avoid being pushed into the family's new swimming pool.
# Critical Gas / Let's Save the World You Jerk! / Average Joe: After Dexter eats a burrito, he mistakes his intestinal rumblings as his imminent death; Dexter and Mandark reluctantly team up to save the world from a comet; Dexter changes his life when a fake test makes him think he's not really a genius.
# Rushmore Rumble / A Boy and His Bug / You Vegetabelieve It!: Dexter and Mandark fight each other with giant-sized versions of George Washington and Abraham Lincoln; Dexter creates a metal-eating termite; Dexter creates gigantic garden plants.
# [[Recap/DextersLaboratoryS2E27AyeAyeEyesDeeDeeAndTheMan Aye Aye Eyes / Dee Dee and the Man]]: A little girl with huge eyes falls in love with Dexter; Dexter "fires" Dee Dee, but soon begins to miss her.
# Old Flame / Don't Be a Hero / My Favorite Martian: Dexter finds the caveman who invented fire in the past and takes him on a tour of his lab; Dexter tries to become a superhero, but all the ways he tries end up backfiring on him; Dexter goes to Mars to find intelligent life, and finds an alien who's really Dee Dee (who stowed away on his trip) in disguise.
# "[[Recap/DextersLaboratoryS2E29PaperRouteBoutTheOlSwitcheroomsTrickOrTreeHouse Paper Route Bout / The Ol' Switcherooms / Trick or Tree House]]": Dad trains Dee Dee to fight off the ninja bikers who target her paper route every morning; Dexter and Dee Dee are forced to stay in each other's rooms as punishment; Dee Dee will not let Dexter into her new treehouse.
# Quiet Riot / Accent You Hate / Catch of the Day: Dexter tries to get some sleep; A bully starts harassing Dexter for his accent; Dexter and his father try to be the first to reach the fishing grounds.
# Dad is Disturbed / Framed / That's Using Your Head: Dexter's dad tries to watch TV, but something always gets in the way; Broken glasses become the newest fad at Dexter's school; Dexter mistakes a crazy hobo for someone trying to contact aliens.
# [=DiM=] / Just an Old Fashioned Lab Song / Repairanoid: In this largely-silent episode, Dexter goes to buy a lightbulb; Dexter takes piano lessons against his will from Professor Williams; An electrician discovers Dexter's lab.
# sdrawckaB / The Continuum of Cartoon Fools / Sun, Surf and Science: Dexter invents a belt that allows people to do things backwards; Dexter tries to figure how Dee Dee keeps entering his lab; Mandark enters a surfing contest to win Dee Dee's heart.
# Big Bots / Gooey Aliens That Control Your Mind / Misplaced in Space: Dexter and Dee Dee try to save an island with giant robots; Dexter's parents and Dee Dee are mind controlled by an alien; Dexter accidentally teleports himself to an extraterrestrial prison.
# Dee Dee's Rival / Pslightly Psycho / Game for a Game: Mandark's sister tries to outdo Dee Dee at dance school; Dexter's family gives mom a break from chores for Mother's Day; Dexter decides to prove to Dee Dee that she cannot beat him at every game.
# Blackfoot and Slim / Trapped with a Vengeance / The Parrot Trap: A nature documentary team observe Dexter and Dee Dee in their natural habitat; Dexter is trapped in the school by the angry janitor; Dexter makes a robotic parrot.
# Dexter and Computress Get Mandark / Pain in the Mouth / Dexter vs. Santa's Claws: In this episode written by a 6-year-old boy, Dexter and Computress, well, get Mandark; Major Glory and Valhallen try to cure Krunk's toothache without going to the dentist; Dexter is hellbent on proving that Santa isn't real.
# Dyno-Might / [=LABretto=]: [[WesternAnimation/DynomuttDogWonder The Blue Falcon]] comes to Dexter's lab to have Dynomutt fixed, and Dexter gives him a new and improved Dynomutt - which turns out to be too good; In this mini-opera, we see the story of how Dexter became who he is.
# Last But Not Beast: During a trip to Japan, Dexter accidentally releases a {{Kaiju}}, and he, his family, the Justice Friends, and Monkey team up to fight it.

[[folder:Special]]
# ''WesternAnimation/EgoTrip'': When an army of robots invade his lab through a time machine, Dexter travels to the future to find out what happened.