List of Dexter's Laboratory episodes

Dexter's Laboratory is an American animated television series created by Genndy Tartakovsky for Cartoon Network. Initially debuting on February 26, 1995 as a seven-minute World Premiere Toons pilot, it was expanded into a full series after gaining network approval. The first season, which consists of 13 episodes divided into three segments each, premiered on TNT on April 27, 1996,[1] and on TBS and Cartoon Network the following day.[2] A second season that consists of 39 episodes premiered in 1997. In this season, Allison Moore, the voice actor for Dee Dee during the first season, was replaced by Kat Cressida, save for a few episodes. "Last But Not Beast", the second-season finale, was originally supposed to conclude the series in 1998. However, Tartakovsky directed a television movie titled Dexter's Laboratory: Ego Trip which aired on Cartoon Network on December 10, 1999. He left the series after the movie, focusing on his other projects, Samurai Jack and Star Wars: Clone Wars.

A young brother and sister pointing remote controls at each other set against a purple laboratory background featuring animals and yellow bolts of electricity.
Poster for the Dexter's Laboratory pilot on World Premiere Toons.

Production on a third season began in 2000 with Chris Savino taking over as creative director and later producer. The third season, consisting of 13 episodes, premiered worldwide on November 18, 2001, during Cartoon Network's "Dexter Goes Global" marathon.[3] The third-season episode "Poppa Wheely/A Mom Cartoon/The Mock Side of the Moon" is the first to feature Christine Cavanaugh's replacement Candi Milo as the voice of Dexter. Milo would voice the character from the next episode onward, with the exception of "Tele Trauma". A fourth and final season consisting of 13 episodes aired from November 22, 2002, to November 20, 2003. In total, there are 78 episodes and a television movie across 4 seasons.

A previously unaired episode called "Rude Removal" was originally shown only at certain comic conventions that Tartakovsky attended beginning in 1998. The segment, originally produced for season two, was released online by Adult Swim on January 22, 2013.[4]

Series overview

SeasonSegmentsEpisodesOriginally aired
First airedLast aired
PilotsN/A4February 26, 1995 (1995-02-26)April 14, 1996 (1996-04-14)
13413April 27, 1996 (1996-04-27)January 1, 1997 (1997-01-01)
211039July 16, 1997 (1997-07-16)June 15, 1998 (1998-06-15)
Ego TripDecember 10, 1999 (1999-12-10)
33913November 18, 2001 (2001-11-18)September 20, 2002 (2002-09-20)
43813November 22, 2002 (2002-11-22)November 20, 2003 (2003-11-20)

Episodes

Pilots (1995–96)

No.TitleDirected byStoryboard byOriginal air dateProd.
code
1"Changes"[5]Genndy TartakovskyTBAFebruary 26, 1995 (1995-02-26)[6]001
104c
Dexter and Dee Dee test the former's latest invention: a device that turns people into animals, which yields crazy results.
2"The Big Sister"Genndy TartakovskyTBAMarch 10, 1996 (1996-03-10)002
105c
HH00615-94012[7]
When Dee Dee eats an experimental cookie of Dexter's design, she grows into a giant and makes the city her dollhouse. As she destroys the whole city, Dexter must pilot his giant Robo-Dexo 2000 mecha and return her to normal size.
3"Old Man Dexter"Craig McCracken & Genndy TartakovskyCraig McCrackenMarch 24, 1996 (1996-03-24)003
101c
After Dexter is banned from watching The Late Early Movie due to his age, he decides to accelerate his age, but Dee Dee tampers with the age acceleration process, causing him to turn into an old man.
4"Dimwit Dexter"Genndy TartakovskyC. Miles ThompsonApril 14, 1996 (1996-04-14)004
106c
Dexter cracks due to overworking himself and starts acting idiotic, which makes him the butt of jokes among Dee Dee and the entire neighborhood.

Season 1 (1996–97)

Production of the first season lasted from 1995 to August 1996.

In total, there were 34 segments over 13 half-hour episodes.

No.
overall
No. in
season
TitleDirected byStoryboard byOriginal air dateProd.
code
1a1a"Dexter's Rival"Genndy TartakovskyGenndy TartakovskyMay 11, 1996 (1996-05-11)101a
112a
Mandark Astronomanov (Eddie Deezen), a new student at Dexter's 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. All seems lost for Dexter, until Mandark falls in love with Dee Dee, giving Dexter the means to earn back his reputation and get revenge on Mandark.
1b1b"Dial M for Monkey: Simion"Paul Rudish & Genndy TartakovskyLou RomanoMay 11, 1996 (1996-05-11)101b
Monkey encounters Simion (Maurice LaMarche), an intelligent anthropomorphic chimpanzee who seeks vengeance on humans for turning him into his current state.
2a2a"DeeDeemensional"Rob Renzetti & Genndy TartakovskyRob RenzettiApril 27, 1996 (1996-04-27)[1]102a
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.
2b2b"Dial M for Monkey: Magmanamus"Paul Rudish & Genndy TartakovskyCraig McCrackenApril 27, 1996 (1996-04-27)102b
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.
2c2c"Maternal Combat"Rob Renzetti & Genndy TartakovskyRob RenzettiApril 27, 1996 (1996-04-27)102c
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.
3a3a"Dexter Dodgeball"Craig McCracken & Genndy TartakovskyRicky NiervaMay 4, 1996 (1996-05-04)103a
Dexter is forced to play dodgeball by his substitute P. E. teacher (Michael Pataki). Constantly failing at the hands of three school bullies, Dexter builds a robotic exoskeleton to defend himself.
3b3b"Dial M for Monkey: Rasslor"Paul Rudish & Genndy TartakovskyPaul RudishMay 4, 1996 (1996-05-04)103b
Intergalactic wrestling champion Rasslor ("Macho Man" Randy Savage) challenges Earth's superheroes, including Monkey, with the planet's fate at stake.
3c3c"Dexter's Assistant"Rob Renzetti & Genndy TartakovskyBrett Varon & Craig McCrackenMay 4, 1996 (1996-05-04)103c
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.
4a4a"Double Trouble"Rob Renzetti & Genndy TartakovskyButch HartmanMay 18, 1996 (1996-05-18)104a
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.
4b4b"Dial M for Monkey: Barbequor"Paul Rudish & Genndy TartakovskyPaul RudishMay 18, 1996 (1996-05-18)104b
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).
5a5a"Dee Dee's Room"Genndy TartakovskyTeddy Newton & Todd FredericksenJune 1, 1996 (1996-06-01)105a
After Dee Dee steals his critical invention, Dexter ventures into her room to find it in a homage to Apocalypse Now.
5b5b"Dial M for Monkey: Huntor"Paul Rudish & Genndy TartakovskyPaul RudishJune 1, 1996 (1996-06-01)105b
Monkey encounters Huntor (Ed Gilbert), an extraterrestrial hunter, and must fight him without his powers in order to save Agent Honeydew and Commander Chief.
6a6a"Jurassic Pooch"Craig McCracken & Genndy TartakovskyButch Hartman & Conrad VernonMay 25, 1996 (1996-05-25)106a
In order to clone a dinosaur with an incomplete DNA sequence, Dexter uses his dog's genetic code to fill in the gaps. The experiment appears to be a success, but because Dexter filled the gaps with his dog's brain, the cloned dinosaur now behaves like a dog.
6b6b"Dial M for Monkey: Orgon Grindor"Paul Rudish & Genndy TartakovskyLou Romano & Mike FontanelliMay 25, 1996 (1996-05-25)106b
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.
7a7a"Star Spangled Sidekicks"Genndy TartakovskyGenndy TartakovskyNovember 20, 1996 (1996-11-20)107a
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.
7b7b"The Justice Friends: TV Super Pals"Craig McCracken & Genndy TartakovskyCraig McCrackenNovember 20, 1996 (1996-11-20)107b
With only one television in their apartment, Major Glory, Valhallen, and Krunk disagree on what to watch: Major Glory's televised capture of the Disgruntled Postman, the monster truck pull, or TV Puppet Pals.
7c7c"Game Over"Craig McCracken & Genndy TartakovskyCraig McCrackenNovember 20, 1996 (1996-11-20)107c
When Dexter and Dee Dee's father buys his children a video game, Dexter plugs in the cartridge and becomes trapped inside.
8a8a"Dollhouse Drama"Rob RenzettiRob RenzettiDecember 4, 1996 (1996-12-04)108a (H00651-96008)
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.
8b8b"The Justice Friends: Krunk's Date"Genndy TartakovskyButch HartmanDecember 4, 1996 (1996-12-04)108b
While fighting Comrade Red and his gang, Krunk falls in love with his equivalent in their gang, She-Thing.
8c8c"The Big Cheese"Genndy TartakovskyCharlie BeanDecember 4, 1996 (1996-12-04)108c
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.
9a9a"Spacecase"Rob Renzetti & Genndy TartakovskyRicky NiervaDecember 18, 1996 (1996-12-18)109a
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.
9b9b"The Justice Friends: Ratman"Genndy TartakovskyCharlie BeanDecember 18, 1996 (1996-12-18)109b
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).
9c9c"Dexter's Debt"Genndy TartakovskyCharlie BeanDecember 18, 1996 (1996-12-18)109c
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.
10a10a"Way of the Dee Dee"Paul Rudish & Genndy TartakovskyPaul RudishDecember 11, 1996 (1996-12-11)110a
Dee Dee teaches Dexter how to live carefree instead of being lonely and purely focused on science.
10b10b"The Justice Friends: Say Uncle Sam"Genndy TartakovskyButch HartmanDecember 11, 1996 (1996-12-11)110b
Major Glory forces Krunk and Valhallen to tidy up their apartment for his Uncle Sam, who is coming over for a visit.
10c10c"Tribe Called Girl"Rob Renzetti & Genndy TartakovskyDon ShankDecember 11, 1996 (1996-12-11)110c
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.
11a11a"Babysitter Blues"Craig McCracken & Rob RenzettiCraig McCrackenNovember 27, 1996 (1996-11-27)111a
Dexter has a crush on his teenage babysitter, Lisa. 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.
11b11b"The Justice Friends: Valhallen's Room"Genndy TartakovskyPaul Rudish & Butch HartmanNovember 27, 1996 (1996-11-27)111b
Valhallen loses his magic ax, which is the source of his superpowers. With no ax, Valhallen transforms into a nerd, forcing Major Glory and Krunk to enter his room to find it.
11c11c"Dream Machine"Rob Renzetti & Genndy TartakovskyDon ShankNovember 27, 1996 (1996-11-27)111c
When Dexter's nightmares become frequent and problematic, he invents a machine that allows him to have good dreams, but Dee Dee cannot operate it properly unless she is awake.
12a12a"The Justice Friends: Bee Where?"Paul Rudish & Genndy TartakovskyButch Hartman & Craig McCrackenDecember 25, 1996 (1996-12-25)112b
Major Glory, Krunk, and Valhallen try to rid their apartment of a bee.
12b12b"Mandarker"Genndy TartakovskyLou RomanoDecember 25, 1996 (1996-12-25)112c
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.
13a13a"Inflata Dee Dee"Genndy TartakovskyGenndy TartakovskyJanuary 1, 1997 (1997-01-01)113a
Dee Dee inflates Dexter's hydro-plasmatic suit and constantly floats in the air, prompting Dexter to bring her down.
13b13b"The Justice Friends: Can't Nap"Genndy TartakovskyButch HartmanJanuary 1, 1997 (1997-01-01)113b
After fellow Justice Friend White Tiger helps Valhallen stop a super-villain called Mental Mouse, the latter invites him to spend the night in his apartment, forgetting that Major Glory is allergic to cats.
13c13c"Monstory"Rob Renzetti & Genndy TartakovskyDon ShankJanuary 1, 1997 (1997-01-01)113c
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.

Season 2 (1997–98)

Production of season 2 lasted from late 1996 to April 1998. In total, there were 108 segments produced over 39 half-hours. The season finale "Last But Not Beast" aired on June 15, 1998, which was the final episode to use traditional cel animation.

One short, Dexter's Rude Removal, was produced in 1997 but banned from airing on Cartoon Network. It was screened at a film festival in February of 1998, and eventually aired on Adult Swim in 2013.

No.
overall
No. in
season
TitleDirected byWritten byStoryboard byOriginal air dateProd.
code[7]
14a1a"Mom and Jerry"Robert AlvarezJason Butler RoteAndy Bialk & Paul RudishJuly 23, 1997 (1997-07-23)201a (34-5417)
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.
14b1b"Chubby Cheese"Rob RenzettiJason Butler RoteDave SmithJuly 23, 1997 (1997-07-23)201b (34-5403)
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.
14c1c"That Crazy Robot"Rob RenzettiJason Butler RoteAndy BialkJuly 23, 1997 (1997-07-23)201c (34-5409)
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.
15a2a"Beard to Be Feared"Genndy TartakovskyJason Butler RotePaul RudishJuly 16, 1997 (1997-07-16)[8]202a (34-5418)
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.
15b2b"Quackor the Fowl"Genndy TartakovskyJason Butler RoteGenndy TartakovskyJuly 16, 1997 (1997-07-16)[8]202b (34-5406)
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.
15c2c"Ant Pants"Genndy TartakovskyJason Butler RoteButch HartmanJuly 16, 1997 (1997-07-16)[8]202c (34-5401)
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.
16a3a"D & DD"[lower-alpha 1]Genndy TartakovskyJason Butler RotePaul RudishJuly 30, 1997 (1997-07-30)203a (34-5405)
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.
16b3b"Hamhocks and Armlocks"Rob Renzetti &
Genndy Tartakovsky
Jason Butler RoteCraig McCrackenJuly 30, 1997 (1997-07-30)203b (34-5416)
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.
17a4a"Dee Dee Locks and the Ness Monster"Robert Alvarez &
Genndy Tartakovsky
Zeke KammPaul RudishAugust 13, 1997 (1997-08-13)204a (34-5426)
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.
17b4b"Backfire"Rob RenzettiZeke KammNora JohnsonAugust 13, 1997 (1997-08-13)204b (34-5425)
When Dexter uses anti-matter on the family car to shorten road trips, he accidentally fuses Dee Dee with the car.
17c4c"Book 'Em"Robert AlvarezZeke KammGreg Miller &
Genndy Tartakovsky
August 13, 1997 (1997-08-13)204c (34-5423)
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.
18a5a"Hunger Strikes"Rob RenzettiZeke KammAce ConradAugust 6, 1997 (1997-08-06)205a (34-5420)
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.
18b5b"The Koos Is Loose"Robert AlvarezZeke KammDave SmithAugust 6, 1997 (1997-08-06)205b (34-5413)
Dee Dee's imaginary friend Koosalagoopagoop (Dom DeLuise) suddenly comes to life and starts irritating Dexter.
18c5c"Morning Stretch"Rob RenzettiZeke KammAce Conrad &
Genndy Tartakovsky
August 6, 1997 (1997-08-06)205c (34-5422)
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.
19a6a"Labels"Rob RenzettiZeke KammKevin KaliherAugust 27, 1997 (1997-08-27)206a (34-5429)
When Dee Dee claims that anything can be hers because Dexter "doesn't have his name on it", he invents a label-making gun.
19b6b"Game Show"Robert AlvarezZeke KammButch HartmanAugust 27, 1997 (1997-08-27)206b (34-5412)
Dexter and Dee Dee compete against each other on a game show.
19c6c"Fantastic Boyage"Robert AlvarezZeke KammDaniel KrallAugust 27, 1997 (1997-08-27)206c (34-5424)
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.
20a7a"Sister's Got a Brand New Bag"Genndy TartakovskyUnknownJeff DeGrandis &
Genndy Tartakovsky
August 20, 1997 (1997-08-20)207a (34-5428)
Dee Dee's new dance moves annoy Dexter no end.
20b7b"Shoo, Shoe Gnomes"Rob RenzettiUnknownMike SternAugust 20, 1997 (1997-08-20)207b (34-5414)
Dexter calls upon the "shoe gnomes" to repair his shoes, but he seeks out Dee Dee to rid himself of them afterwards.
20c7c"Lab of the Lost"Genndy TartakovskyUnknownC. Miles Thompson
& Butch Hartman
August 20, 1997 (1997-08-20)207c (34-5402)
Following a mishap in his lab, Dexter ends up in the old, long-abandoned part of the lab and discovers his early, neglected inventions.
21a8a"Ewww That's Growth"Rob RenzettiZeke KammMike SternSeptember 17, 1997 (1997-09-17)208a (34-5427)
Unable to ride in a roller coaster due to his height, Dexter invents a device to make himself taller.
21b8b"Nuclear Confusion"Robert AlvarezZeke KammButch HartmanSeptember 17, 1997 (1997-09-17)208b (34-5421)
When Dee Dee hides the core of Dexter's nuclear power lamp, he must decipher her clues within one hour to find it.
21c8c"Germ Warfare"Robert Alvarez &
Genndy Tartakovsky
Zeke KammAce Conrad &
Genndy Tartakovsky
September 17, 1997 (1997-09-17)208c (34-5434)
When his family is suffering from the flu, Dexter avoids contracting the illness, but his efforts are thwarted by a sickly Dee Dee.
22a9a"The Bus Boy"Rob Renzetti &
Genndy Tartakovsky
Zeke KammDon ShankOctober 1, 1997 (1997-10-01)209a (34-5442)
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.
22b9b"The Justice Friends: Things That Go Bonk in the Night"Genndy TartakovskyZeke KammCraig McCrackenOctober 1, 1997 (1997-10-01)209b (34-5435)
Krunk stays up watching a 24-hour marathon of TV Puppet Pals, and dreams of becoming part of the show.
22c9c"Ol' McDexter"Robert Alvarez &
Genndy Tartakovsky
Zeke KammMike SternOctober 1, 1997 (1997-10-01)209c (34-5438)
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.
23a10a"A Hard Day's Day"Rob RenzettiUnknownCraig McCrackenSeptember 24, 1997 (1997-09-24)210a (34-5430)
Dexter struggles to understand why he is having a bad day, and Dee Dee inspires him with astrology.
23b10b"Road Rash"Rob RenzettiUnknownNora JohnsonSeptember 24, 1997 (1997-09-24)210b (34-5436
Dexter's parents buy him a bike for exercise, but he is unable to catch Dee Dee on her inline skates.
23c10c"Ocean Commotion"Rob RenzettiUnknownKevin KaliherSeptember 24, 1997 (1997-09-24)210c (34-5419)
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.
24a11a"Filet of Soul"Genndy TartakovskyUnknownMike SternSeptember 3, 1997 (1997-09-03)211a (34-5408)
When Dexter and Dee Dee refuse to flush their dead goldfish into the toilet, they are haunted by its spirit.
24b11b"Golden Diskette"Genndy TartakovskyUnknownDave SmithSeptember 3, 1997 (1997-09-03)211b (34-5412)
Dee Dee wins a golden diskette, earning her a free trip to the laboratory of Professor Hawk, one of Dexter's favorite scientists.
25a12a"Snowdown"Robert Alvarez &
Genndy Tartakovsky
UnknownCraig McCrackenSeptember 10, 1997 (1997-09-10)212a (34-5415)
When Dexter falls victim to Dee Dee's snowballs, Dad teaches Dexter to be the snowball terror that Dad once was in his youth.
25b12b"Figure Not Included"Rob RenzettiUnknownButch HartmanSeptember 10, 1997 (1997-09-10)212b (34-5411)
Dexter makes his own Major Glory action figure to join the neighborhood's Major Glory gang.
25c12c"Mock 5"Rob Renzetti &
Genndy Tartakovsky
UnknownCraig McCrackenSeptember 10, 1997 (1997-09-10)212c (34-5407)
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.[10]
26a13a"Sassy Come Home"Genndy TartakovskyZeke KammDave SmithOctober 8, 1997 (1997-10-08)213a (34-5439)
Dee Dee befriends a Sasquatch during a camping trip, but Dexter is determined to capture it.
26b13b"Photo Finish"Robert Alvarez &
Genndy Tartakovsky
Zeke KammDon ShankOctober 8, 1997 (1997-10-08)213b (34-5433)
When Dee Dee takes photographs of his lab, Dexter goes on an adventure to retrieve the photos before his parents see them.
27a14a"Decode of Honor"Robert Alvarez &
Genndy Tartakovsky
Zeke KammCraig McCrackenOctober 22, 1997 (1997-10-22)214a (34-5437)
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.
27b14b"World's Greatest Mom"Rob RenzettiZeke KammAndy BialkOctober 22, 1997 (1997-10-22)214b (34-5443)
When Dexter accidentally hits his mother with a ray of energy, she gains superpowers.
27c14c"Ultrajerk 2000"Robert AlvarezZeke KammDaniel KrallOctober 22, 1997 (1997-10-22)214c (34-5445)
When Dexter creates a robot to assist him, the robot starts controlling his lab and tries to destroy Dexter.
28a15a"Star Check Unconventional"Rob RenzettiZeke KammPaul RudishOctober 15, 1997 (1997-10-15)215a (34-5432)
When Dexter and his friends go looking for a "Star Check" convention, they accidentally end up at a "Darbie" doll convention.
28b15b"Dexter Is Dirty"Genndy TartakovskyZeke KammGreg Emison &
Genndy Tartakovsky
October 15, 1997 (1997-10-15)215b (34-5447)
When Dexter is tired of bathing, he laminates himself to stay clean.
28c15c"Ice Cream Scream"Robert AlvarezZeke KammKevin KaliherOctober 15, 1997 (1997-10-15)215c (34-5449)
When Dexter cannot get the ice cream truck to stop for him, he creates a series of obstacles to do so.
29a16a"Techno Turtle"Rob RenzettiJeffrey Delman, Laura Glendinning, & Zeke KammRob RenzettiOctober 29, 1997 (1997-10-29)216a (34-5441)
When Dee Dee befriends a turtle that gets severely injured, Dexter not only heals it, but gives it superpowers.
29b16b"Surprise!"Robert AlvarezJeffrey Delman, Laura Glendinning, & Zeke KammAndy BialkOctober 29, 1997 (1997-10-29)216b (34-5451)
On his birthday, Dexter makes himself invisible to learn whether his parents bought the Major Glory action figure he always wanted.
29c16c"Got Your Goat"Robert Alvarez &
Genndy Tartakovsky
Jeffrey Delman, Laura Glendinning, & Zeke KammNora JohnsonOctober 29, 1997 (1997-10-29)216c (34-5444)
Dexter and Dee Dee go to South America to catch the legendary chupacabra, which Dexter believes is an escaped lab experiment.
30a17a"Unfortunate Cookie"Robert Alvarez &
Genndy Tartakovsky
UnknownKevin KaliherNovember 12, 1997 (1997-11-12)217a (34-5440)
Dexter and Dee Dee must travel to Chinatown to get their fingers unstuck from a Chinese finger trap.
30b17b"The Muffin King"Genndy TartakovskyUnknownMike SternNovember 12, 1997 (1997-11-12)217b (34-5450)
Dexter and Dee Dee protect their mother's freshly baked muffins from their muffin-loving father while she is out shopping.
31a18a"Dee Dee Be Deep"Genndy TartakovskyZeke KammChris SavinoNovember 5, 1997 (1997-11-05)218a (34-5454)
When Dexter is tired of Dee Dee's bad singing, he inadvertently transforms her voice into a baritone (Kevin Michael Richardson).
31b18b"911"Rob Renzetti &
Genndy Tartakovsky
Zeke KammAce Conrad &
Genndy Tartakovsky
November 5, 1997 (1997-11-05)218b (34-5446)
When his television show is interrupted by the Emergency Broadcast System, Dexter sets about fixing any nearby emergencies to make the signal go away.
31c18c"Down in the Dumps"Robert AlvarezZeke KammKevin KaliherNovember 5, 1997 (1997-11-05)218c (34-5456)
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.
32a19a"Picture Day"Genndy TartakovskyUnknownDave SmithNovember 19, 1997 (1997-11-19)219a (34-5455)
Upset that Dee Dee is more photogenic than him, Dexter transforms his face into a handsome one for his next Picture Day.
32b19b"Now That's a Stretch"Genndy TartakovskyUnknownNora JohnsonNovember 19, 1997 (1997-11-19)219b (34-5453)
When Dexter cannot reach anything in his lab, he makes himself more flexible by combining himself with bubble gum.
32c19c"Dexter Detention"Rob RenzettiUnknownDave Smith &
Chris Battle
November 19, 1997 (1997-11-19)219c (34-5431)
Dexter is given detention after accidentally shouting out the answer to a test question.
33a20a"Topped Off"Genndy TartakovskyUnknownChris SavinoJanuary 14, 1998 (1998-01-14)220a (34-5465)
Dexter and Dee Dee experiment with coffee after seeing how it energizes their parents in the morning.
33b20b"Dee Dee's Tail"Rumen PetkovUnknownKevin KaliherJanuary 14, 1998 (1998-01-14)220b (34-5464)
After she expresses her desire to become a Pony Puff Princess, Dexter transforms Dee Dee into a horse.
33c20c"No Power Trip"Rob RenzettiUnknownChris BattleJanuary 14, 1998 (1998-01-14)220c (34-5466)
Despite his computer's warnings, Dexter consumes too much power during experiments, causing his lab to shut down.
34a21a"Don't Be a Baby"Robert Alvarez &
Genndy Tartakovsky
UnknownMike SternNovember 26, 1997 (1997-11-26)221a (34-5457)
While trying to make himself and Dee Dee older to see an R-rated movie, Dexter accidentally makes everybody else babies instead.
34b21b"Dial M for Monkey: Peltra"Genndy TartakovskyUnknownPaul RudishNovember 26, 1997 (1997-11-26)221b (34-5458)
Peltra wants to turn Monkey into a fur coat.
34c21c"G.I.R.L. Squad"Rumen PetkovUnknownAndy BialkNovember 26, 1997 (1997-11-26)221c (34-5459)
After a crime prevention talk at school, Dee Dee, Lee Lee, and Mee Mee become crime fighters, protecting the neighborhood from a mysterious stranger.
35a22a"Sports a Poppin'"Rob Renzetti &
Genndy Tartakovsky
UnknownDouglas McCarthy &
Genndy Tartakovsky
December 3, 1997 (1997-12-03)222a (34-5463)
When Dad tries to teach his son sports, he realizes that Dexter is not athletic.
35b22b"Koosalagoopagoop"Genndy TartakovskyUnknownDave SmithDecember 3, 1997 (1997-12-03)222b (34-5462)
Dee Dee enters the land of her imaginary friend Koosalagoopagoop.
35c22c"Project Dee Dee"Robert AlvarezUnknownChris SavinoDecember 3, 1997 (1997-12-03)222c (34-5460)
When Dexter learns that Dee Dee is making a science project alone, he decides to help, but she does not want his help.
36a23a"Rushmore Rumble"Genndy TartakovskySeth MacFarlaneGenndy TartakovskyFebruary 11, 1998 (1998-02-11)223a (34-5472)
Dexter and Mandark bring the Abraham Lincoln and George Washington faces respectively on Mount Rushmore to life and make them fight each other.
36b23b"A Boy and His Bug"John McIntyreSeth MacFarlaneGenndy TartakovskyFebruary 11, 1998 (1998-02-11)223b (34-5471)
When Dexter neglects his metal-eating pet bug, it begins eating his lab.
36c23c"You Vegetabelieve It!"Rumen PetkovSeth MacFarlaneBob StaakeFebruary 11, 1998 (1998-02-11)223c (34-5475)
When Dee Dee uses Dexter's growth formula on the plants in the garden, the plants grow into enormous man-eating monsters.
37a24a"Dexter's Lab: A Story"Genndy TartakovskySami Rank & Michael RyanPaul RudishJanuary 28, 1998 (1998-01-28)224a (34-5467)

After Dexter finds a lost Labrador Retriever, he teaches the dog to speak English.

This episode was later used in reruns with both Season 1 episodes Double Trouble and Changes due to the controversy with the Dial M for Monkey episode Barbequor.
37b24b"Coupon for Craziness"Rumen PetkovSami Rank & Michael RyanChris SavinoJanuary 28, 1998 (1998-01-28)224b (34-5476)
Dexter finds a hyperactive boy who is like Dee Dee and has scientist parents who are like Dexter. Sensing an opportunity to fit in, he switches places with the boy.
37c24c"Better Off Wet"John McIntyreSami Rank & Michael RyanAndy BialkJanuary 28, 1998 (1998-01-28)224c (34-5468)
Dexter, who cannot swim and is afraid of water, avoids being pushed into the family's new swimming pool by Dad.
38a25a"Aye Aye Eyes"Genndy TartakovskyUnknownCraig McCrackenFebruary 18, 1998 (1998-02-18)225a (34-5448)
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.
38b25b"Dee Dee and the Man"John McIntyre &
Genndy Tartakovsky
UnknownCraig McCrackenFebruary 18, 1998 (1998-02-18)225b (34-5479)
Dexter "fires" Dee Dee, only to realize that the chaos she causes has been helping him concentrate.
39a26a"Critical Gas"Rumen PetkovMichael RyanMike SternFebruary 4, 1998 (1998-02-04)226a (34-5474)
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.
39b26b"Let's Save the World You Jerk!"John McIntyreMichael RyanKevin KaliherFebruary 4, 1998 (1998-02-04)226b (34-5473)
Dexter and Mandark team up to fight meteoroids that are hurdling towards the Earth.
39c26c"Average Joe"Rumen PetkovMichael RyanDave SmithFebruary 4, 1998 (1998-02-04)226c (34-5470)
When an intelligence test mistakenly grades Dexter as "average", he shuts down his lab and tries to live like a normal child.
40a27a"Sister Mom"Rob Renzetti &
Genndy Tartakovsky
Paul HarrisonCraig McCrackenJanuary 21, 1998 (1998-01-21)227a (34-5461)
When Dexter is asked to bring his mother to school, he disguises Dee Dee in her place.
40b27b"The Laughing"Robert Alvarez &
Genndy Tartakovsky
Paul HarrisonBryan Mailles &
Genndy Tartakovsky
January 21, 1998 (1998-01-21)227b (34-5452)
After Dexter is bitten by a clown's dentures, he turns into a mad clown nightly, terrorizing the town with his mayhem.
41a28a"Big Bots"Rumen Petkov &
Genndy Tartakovsky
Seth MacFarlaneCraig McCrackenApril 8, 1998 (1998-04-08)228a (34-5469)
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.
41b28b"Gooey Aliens That Control Your Mind"Rumen Petkov &
Genndy Tartakovsky
Seth MacFarlaneTodd Frederiksen &
Genndy Tartakovsky
April 8, 1998 (1998-04-08)228b (34-5481)
Dexter's parents and Dee Dee have their minds taken over by an alien life form that escaped from Dexter's lab.
41c28c"Misplaced in Space"Genndy TartakovskySeth MacFarlaneChris SavinoApril 8, 1998 (1998-04-08)228c (34-5481)
A teleporter malfunction sends Dexter to an alien prison, prompting Dee Dee to go on a mission to save Dexter.
42a29a"Old Flame"Genndy TartakovskyMichael RyanPaul RudishFebruary 25, 1998 (1998-02-25)229a (34-5480)
When Dexter brings the caveman who first discovered fire back from the past, the caveman acts like Dee Dee and starts smashing the lab.
42b29b"Don't Be a Hero"Rumen PetkovMichael RyanMike SternFebruary 25, 1998 (1998-02-25)229b (34-5483)
Dexter turns himself into a superhero, but he gives up after every power he tries backfires.
42c29c"My Favorite Martian"John McIntyreMichael RyanAndy BialkFebruary 25, 1998 (1998-02-25)229c (34-5477)
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.
43a30a"Paper Route Bout"John McIntyreMichael RyanDaniel KrallMarch 4, 1998 (1998-03-04)230a (34-5485)
Dad trains Dee Dee to fight a gang of bicycle-riding rogues dressed as ninjas who target her paper route each morning.
43b30b"The Old Switcharooms"John McIntyreMichael RyanKevin Kaliher & Craig McCrackenMarch 4, 1998 (1998-03-04)230b (34-5485)
For accidentally destroying Dad's brand new bowling trophy, Dexter and Dee Dee are forced to spend some time in each other's rooms; Dexter becomes paranoid that Dee Dee is destroying his lab.
43c30c"Trick or Treehouse"Rumen PetkovMichael RyanDave SmithMarch 4, 1998 (1998-03-04)230c (34-5478)
Dee Dee builds a tree house and allows everyone inside except Dexter, in revenge for the times he kicked her out of his lab.
44a31a"Quiet Riot"Rumen Petkov &
Genndy Tartakovsky
Michael RyanChris SavinoMarch 11, 1998 (1998-03-11)231a (34-5489)
After working all night to create his latest invention, Dexter tries to sleep, but he is constantly interrupted by Dee Dee.
44b31b"Accent You Hate"John McIntyreMichael RyanDave SmithMarch 11, 1998 (1998-03-11)231b (34-5486)
Dexter and his friends are targeted at school by a bully for their multicultural accents.
44c31c"Catch of the Day"Rumen PetkovMichael RyanBob StaakeMarch 11, 1998 (1998-03-11)231c (34-5487)
Dexter and Dad try to get to Dad's fishing spot before sunrise to start fishing before others arrive.
45a32a"Dad Is Disturbed"John McIntyreUnknownJohn McIntyreMarch 18, 1998 (1998-03-18)232a (34-5494)
Dad tries to watch a golf tournament, but is constantly interrupted by his wife, Dexter, and Dee Dee.
45b32b"Framed"Genndy TartakovskyUnknownKevin KaliherMarch 18, 1998 (1998-03-18)232b (34-5493)
When Dexter's glasses break, he creates a new fad (wearing glasses with cracked lenses) and becomes extremely popular at his school.
45c32c"That's Using Your Head"John McIntyreUnknownClayton MorrowMarch 18, 1998 (1998-03-18)232c (34-5488)
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.
46a33a"DiM"Genndy TartakovskyMichael RyanCraig McCrackenMarch 25, 1998 (1998-03-25)233a (34-5501)
In a mostly dialogue-free episode, Dexter makes a trip to the hardware store to buy a new light bulb for his lab.
46b33b"Just an Old-Fashioned Lab Song..."John McIntyreMichael RyanDave SmithMarch 25, 1998 (1998-03-25)233b (34-5497)
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.
46c33c"Repairanoid"Rumen PetkovMichael RyanGreg MillerMarch 25, 1998 (1998-03-25)233c (34-5498)
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.
47a34a"Dexter and Computress Get Mandark!"John McIntyreTyler Samuel LeeJohn McIntyreApril 29, 1998 (1998-04-29)234a (34-5508)
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,[11] the story follows Dexter and Mandark's robot "brother" Computress teaming up to make Mandark's head shrink.
47b34b"The Justice Friends: Pain in the Mouth"Genndy TartakovskyUnknownGenndy TartakovskyApril 29, 1998 (1998-04-29)234b (34-5503)
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.
47c34c"Dexter vs. Santa's Claws"Rumen Petkov &
Genndy Tartakovsky
UnknownKevin KaliherApril 29, 1998 (1998-04-29)234c (34-5502)
Dexter tries to prove to Dee Dee that Santa Claus is not real.
48a35a"Dee Dee's Rival"Rumen Petkov &
Genndy Tartakovsky
UnknownChris SavinoApril 15, 1998 (1998-04-15)235a (34-5505)
Mandark's sister Olga Astronomonov (a.k.a. Lalavava) tries to upstage Dee Dee at dance school.
48b35b"Pslyghtly Psycho"John McIntyre &
Genndy Tartakovsky
UnknownDaniel KrallApril 15, 1998 (1998-04-15)235b (34-5504)
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.
48c35c"Game for a Game"Rumen PetkovUnknownGreg MillerApril 15, 1998 (1998-04-15)235c (34-5509)
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.
49a36a"Sdrawkcab"John McIntyreSeth MacFarlaneClayton MorrowApril 1, 1998 (1998-04-01)236a (34-5500)
Dexter invents a belt whose wearer can do anything backwards, but mayhem occurs when Dee Dee gets hold of the belt's directional switch.
49b36b"The Continuum of Cartoon Fools"Rumen Petkov &
Genndy Tartakovsky
Seth MacFarlaneDon ShankApril 1, 1998 (1998-04-01)236b (34-5499)
Dexter tries to figure out how Dee Dee keeps entering his lab every time he kicks her out and seals the entrance.
49c36c"Sun, Surf, and Science"Rumen Petkov &
Genndy Tartakovsky
Seth MacFarlaneMike SternApril 1, 1998 (1998-04-01)236c (34-5491)
Mandark enters a surfing contest and tries to cheat his way to victory to win Dee Dee's heart from another surfer.
50a37a"Blackfoot and Slim"John McIntyreSeth MacFarlaneChris SavinoApril 22, 1998 (1998-04-22)237a (34-5496)
A nature documentary team observes "Blackfoot" (Dexter) and "Slim" (Dee Dee) in their "natural habitat".
50b37b"Trapped with a Vengeance"Genndy TartakovskySeth MacFarlaneTodd Frederiksen &
Genndy Tartakovsky
April 22, 1998 (1998-04-22)237b (34-5490)
In a parody of Die Hard, Dexter is trapped in his school by the janitor in revenge for making him work late everyday.
50c37c"The Parrot Trap"Rumen Petkov &
Genndy Tartakovsky
Seth MacFarlaneMark O'HareApril 22, 1998 (1998-04-22)237c (34-5495)
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.
51a38a"Dyno-Might"Genndy TartakovskyMichael RyanPaul RudishMay 6, 1998 (1998-05-06)238a (34-5492)
In this crossover with Dynomutt, Dog Wonder, Blue Falcon (Gary Owens) comes to Dexter's house and asks him to rebuild an injured Dynomutt.
51b38b"LABretto"Genndy TartakovskyMichael RyanDave SmithMay 6, 1998 (1998-05-06)238b (34-5507)
Dexter's life story, from his birth to the creation of his secret laboratory, is retold as an opera.
5239"Last But Not Beast"Genndy TartakovskyUnknownPaul Rudish, Craig McCracken, &
Genndy Tartakovsky
June 15, 1998 (1998-06-15)239 (34-5506)
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, along with the cast of The Justice Friends and the cast of Dial M for Monkey, to defeat it.

"Rude Removal"

An episode segment from the second season was produced yet never aired on television, but was ultimately released to the public in January 2013 on the official YouTube page of Adult Swim.

Title Directed by Storyboard by Release date
"Rude Removal"Rob RenzettiChong Lee & Craig McCrackenFebruary 21, 1998 (1998-02-21) (World Animation Celebration)
January 22, 2013 (2013-01-22) (online)
Dexter plans to remove Dee Dee's rudeness with his latest invention, the "Rude Removal System". The siblings inadvertently end up inside the device, which splits the pair into two copies, one well-behaved and the other rude.

TV movie (1999)

A television movie titled Dexter's Laboratory: Ego Trip premiered on Cartoon Network in 1999. It was the final televised Dexter's Laboratory media in which creator Genndy Tartakovsky was directly involved. Ego Trip was also the last project made by Cartoon Network Studios as division of Hanna-Barbera before the studio branched off as a separate facility when Hanna-Barbera was folded into Warner Bros. Animation.

Title Directed by Story by Storyboard by Original air date
Dexter's Laboratory: Ego TripGenndy TartakovskyChris Savino, Amy Keating Rogers, John McIntyre,
Craig McCracken, Paul Rudish, & Genndy Tartakovsky
David Smith, Chris Savino,
Paul Rudish, & Genndy Tartakovsky
December 10, 1999 (1999-12-10)[12]
After Dexter battles an army of robots who enter his laboratory through his time machine, he travels forward in time in search of the moment when his older self will save the future.

Season 3 (2001–02)

Candi Milo replaced Christine Cavanaugh as the voice of Dexter after the first 6 episodes due to Cavanaugh's retirement from voice acting.

This is the first season to feature the new character designs and the UPA-influenced backgrounds, the latter of which was exclusive to this season.

It is also the first season to use digital ink and paint, and the first season that Chris Savino takes over as the director.

The third season adopted a different episode format from the other seasons, with most of its episodes being two 9-minute shorts with a 3-minute short sandwiched in between, rather than the original format of three 7-minute shorts.

36 segments were produced over a span of 13 half-hours.

Production of the third season lasted from September 2000 to October 2001.

No.
overall
No. in
season
TitleDirected byWritten byStoryboard byOriginal air dateProd.
code[7]
53a1a"Mind Over Chatter"Robert Alvarez & Chris SavinoUnknownCindy MorrowNovember 18, 2001 (2001-11-18)301a
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.
53b1b"A Quackor Cartoon"Chris SavinoUnknownChris SavinoNovember 18, 2001 (2001-11-18)301b
Quackor returns to battle Monkey in Dexter's Lab until Quackor lays an egg; then the two fall in love.
53c1c"Momdark"John McIntyre & Chris SavinoUnknownCindy MorrowNovember 18, 2001 (2001-11-18)301c
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.
54a2a"Streaky Clean"Robert Alvarez & Chris SavinoDavid SmithWalt DohrnNovember 18, 2001 (2001-11-18)302a
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.
54b2b"A Dad Cartoon"John McIntyre & Chris SavinoDavid SmithJohn McIntyreNovember 18, 2001 (2001-11-18)302b
Dad decides to give the car a retouch, but keeps breaking things and saying he will fix it later.
54c2c"Sole Brother"John McIntyre & Chris SavinoDavid SmithClayton McKenzie MorrowNovember 18, 2001 (2001-11-18)302c

Dexter accidentally becomes Dee Dee's foot when the two fuse together. Now, they have to wait 24 hours to reverse the fusion.

Note: This the final episode where Christine Cavanaugh voices Dexter.
55a3a"Poppa Wheely"John McIntyre & Chris SavinoUnknownMike SternJanuary 18, 2002 (2002-01-18)303a

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.

Note: This is the first episode where Candi Milo is the voice of Dexter.
55b3b"A Mom Cartoon"Chris SavinoUnknownChris SavinoJanuary 18, 2002 (2002-01-18)303b
312b
Dexter's mom fights another woman at the supermarket for some new latex gloves.
55c3c"The Mock Side of the Moon"John McIntyre & Chris SavinoUnknownClayton McKenzie MorrowJanuary 18, 2002 (2002-01-18)303c
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.
56a4a"Copping an Aptitude"John McIntyre & Chris SavinoDavid SmithKevin KaliherNovember 30, 2001 (2001-11-30)304a
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.
56b4b"A Failed Lab Experiment"Chris SavinoDavid SmithChris SavinoNovember 30, 2001 (2001-11-30)304b
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.
56c4c"The Grand-Daddy of All Inventions"John McIntyre & Chris SavinoDavid SmithClayton McKenzie MorrowNovember 30, 2001 (2001-11-30)304c
During a trip to his grandfather's house, Dexter learns that the outwardly boring old man has a lab just like his own.
57a5a"A Boy Named Sue"John McIntyre & Chris SavinoDavid SmithWalt DohrnMarch 29, 2002 (2002-03-29)305a (611-012)
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.
57b5b"Lab on the Run"John McIntyre & Chris SavinoDavid SmithDavid SmithMarch 29, 2002 (2002-03-29)305b (611-011)
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.
58a6a"If Memory Serves"Robert Alvarez & Chris SavinoDavid SmithCindy MorrowFebruary 22, 2002 (2002-02-22)306a (611-014)
To keep himself from forgetting anything important, Dexter uses a device to copy his memories, which causes a mayhem in his own head.
58b6b"A Mandark Cartoon"Chris SavinoUnknownChris SavinoFebruary 22, 2002 (2002-02-22)306b (611-105)
Mandark plans another scheme to get rid of Dexter. Everything in this cartoon is to the tune of Mandark's trademark laugh.
58c6c"Tele Trauma"John McIntyre & Chris SavinoUnknownJohn McIntyreFebruary 22, 2002 (2002-02-22)306c (611-007)
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.
59a7a"Dos Boot"Chris SavinoDavid SmithWalt DohrnJune 7, 2002 (2002-06-07)307a
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.
59b7b"A Dee Dee Cartoon"Robert Alvarez & Chris SavinoDavid SmithAnna ChambersJune 7, 2002 (2002-06-07)307b
Dee Dee goes and plays in her own "lab" after being kicked out of Dexter's.
59c7c"Would You Like That in the Can"John McIntyre & Chris SavinoDavid SmithPaul McEvoyJune 7, 2002 (2002-06-07)307c
Dexter and his friend Douglas Mordecai must enter the girls' bathroom to retrieve Dexter's lunchbox, which was put in there by another student.
60a8a"That Magic Moment"John McIntyre & Chris SavinoUnknownPaul McEvoyJune 14, 2002 (2002-06-14)308a (611-021)
Dexter's Magic Uncle Fergle O'Reilly (Mark Hamill) pays a visit to the family.
60b8b"A Silent Cartoon"Chris SavinoUnknownChris SavinoJune 14, 2002 (2002-06-14)308b (611-107)
Parodying The Pink Panther, Dexter is trying to paint his lab blue, but Dee Dee wants to make it pink.
60c8c"Opposites Attract"Chris SavinoUnknownAndrew BialkJune 14, 2002 (2002-06-14)308c (611-018)
Dexter creates a magnetic field to keep Dee Dee away from him, but it malfunctions, causing them to stick together.
61a9a"Oh, Brother"Chris SavinoUnknownGreg Miller & Walt DohrnJuly 5, 2002 (2002-07-05)309a (611-003)
Dexter turns Dee Dee into a boy, but is disappointed when "he" (Pamela Adlon) is not a genius as Dexter would like it.
61b9b"Another Dad Cartoon"Chris SavinoUnknownCindy MorrowJuly 5, 2002 (2002-07-05)309b (611-108)
With everyone out of the house, Dexter's father decides to spend the time dancing.
61c9c"Bar Exam"John McIntyre & Chris SavinoUnknownShellie KvilvangJuly 5, 2002 (2002-07-05)309c (611-022)
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.
62a10a"Comic Relief"Chris SavinoUnknownClayton McKenzie MorrowJune 21, 2002 (2002-06-21)310a (611-024)
Dexter creates a device to make a lifelike superhero comic, with his sister villain "Deestructa".
62b10b"A Third Dad Cartoon"Chris SavinoUnknownChris SavinoJune 21, 2002 (2002-06-21)310b (611-109)
Dexter's father plays golf with his kids.
62c10c"Robo-Dexo 3000"John McIntyre & Chris SavinoUnknownKevin KaliherJune 21, 2002 (2002-06-21)310c (611-022)
Dexter creates the ultimate robot to replace his Robo-Dexo 2000.
63a11a"Glove at First Sight"Robert Alvarez & Chris SavinoUnknownCindy MorrowJune 28, 2002 (2002-06-28)311a (611-026)
Dexter's parents remember their first date and dance together.
63b11b"A Mom & Dad Cartoon"Chris SavinoUnknownCindy MorrowJune 28, 2002 (2002-06-28)311b (611-110)
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.
63c11c"Smells Like Victory"John McIntyre & Chris SavinoUnknownPaul McEvoyJune 28, 2002 (2002-06-28)311c (611-023)
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.
64a12a"Scare Tactics"John McIntyre & Chris SavinoUnknownWalt DohrnSeptember 20, 2002 (2002-09-20)312a
After watching a horror film, Dexter and his father become easily frightened.
64b12b"My Dad vs. Your Dad"John McIntyre & Chris SavinoUnknownCindy MorrowSeptember 20, 2002 (2002-09-20)312c
Dexter and Mandark's fathers become embroiled in a conflict after trying to defuse one between their sons.
65a13a"Jeepers, Creepers, Where Is Peepers"David SmithUnknownDavid SmithJuly 12, 2002 (2002-07-12)313a
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.
65b13b"Go, Dexter Family! Go!"John McIntyre & Chris SavinoUnknownWalt DohrnJuly 12, 2002 (2002-07-12)313b (611-025)
Dexter's family must rescue him from aliens.

Season 4 (2002–03)

The fourth and final season of the series reverted back to the original episode format of three 7-minute shorts. Additionally, while the new modern character designs are the same, the background art style is now fully decorated, although just as modernized, compared to how hardly finished it looked in Season 3 and the original art style in the first two seasons of the show.

The short "Chicken Scratch" was produced as a standalone short in between seasons 3 and 4, being completed in December 2001 and shown as a theatrical short before The Powerpuff Girls Movie on July 3, 2002. The short later aired as a part of the fourth season in-between "The Lab of Tomorrow" and "Garage Sale".

37 segments were produced over 13 half-hours. Production lasted from January 2002 to March 2003.

No.
overall
No. in
season
TitleDirected byStoryboarded and Written byOriginal air dateProd.
code[7]
66a1a"Sis-Tem Error"Don Judge & Chris SavinoMark O'HareApril 25, 2003 (2003-04-25)401a (626-005)
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.
66b1b"Bad Cable Manners"Chris SavinoClayton McKenzie MorrowApril 25, 2003 (2003-04-25)401b
Dexter pirates cable for his father.
66c1c"Dexter's Library"Don Judge & Chris SavinoMark O'HareApril 25, 2003 (2003-04-25)401c (626-001)
Dexter becomes the stern administrator of his local library.
67a2a"Beau Tie"Don Judge & Chris SavinoWalt DohrnNovember 22, 2002 (2002-11-22)402a
When Dexter discovers that Beau (Pamela Adlon), Dee Dee's new boyfriend, has similar interests as him, Dexter tries to steal Beau's attention from Dee Dee.
67b2b"Remember Me?"Chris SavinoKevin KaliherNovember 22, 2002 (2002-11-22)402b
When Dexter gets amnesia, Dee Dee decides to play tricks on him by creating a whole new identity for him in her image.
67c2c"Over-Labbing"Don Judge & Chris SavinoClayton McKenzie MorrowNovember 22, 2002 (2002-11-22)402c
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.
68a3a"Dexter's Little Dilemma"Don Judge & Chris SavinoClayton McKenzie MorrowMay 9, 2003 (2003-05-09)403a
Dexter shrinks his parents and puts them into a model of their house for observation.
68b3b"Faux Chapeau"Don Judge & Chris SavinoChris ReccardiMay 9, 2003 (2003-05-09)403b
Dexter's newest invention looks like a hat, so Dee Dee takes it and wears it around town.
68c3c"D2"Tim Walker & Chris SavinoMark O'HareMay 9, 2003 (2003-05-09)403c
Dexter and Dee Dee realize that they make a good team, so they decide to do stuff together, but doing so makes things worse.
69a4a"Head Band"Don Judge & Chris SavinoKevin KaliherMay 16, 2003 (2003-05-16)404a
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.
69b4b"Stuffed Animal House"Chris SavinoGabe SwarrMay 16, 2003 (2003-05-16)404b
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.
69c4c"Used Ink"Don Judge & Chris SavinoCarlos RamosMay 16, 2003 (2003-05-16)404c
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.
70a5a"The Scrying Game"Chris SavinoMike SternMay 2, 2003 (2003-05-02)405a
Dee Dee learns a new game that can predict the future events.
70b5b"Monstrosi-Dee Dee"Don Judge & Chris SavinoGabe SwarrMay 2, 2003 (2003-05-02)405b
When Dee Dee eats a contaminated apple, she turns into a monster every time when she tells Dexter what to do.
70c5c"Dad Man Walking"Don Judge & Chris SavinoCarlos RamosMay 2, 2003 (2003-05-02)405c
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.
71a6a"Dexter the Barbarian"Chris SavinoChris SavinoMay 30, 2003 (2003-05-30)406a
Dexter tries to emulate the barbarian hero of his favorite comic book.
71b6b"Tuber Time"Don Judge & Chris SavinoMark O'HareMay 30, 2003 (2003-05-30)406b
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.
71c6c"Sore Eyes"Don Judge & Chris SavinoBill WrayMay 30, 2003 (2003-05-30)406c
Dexter tries to improve his eyesight by giving himself laser eye surgery, but goes too far in doing so.
72a7a"School Girl Crushed"Don Judge & Chris SavinoCharlie BeanMay 23, 2003 (2003-05-23)407a
Dexter and Mandark are both outperformed by a new girl at school, so they reluctantly team up to get rid of her.
72b7b"Chess Mom"Don Judge & Chris SavinoCharlie BeanMay 23, 2003 (2003-05-23)407b
Dexter's mother attempts to support him during a chess tournament but does nothing but embarrass him.
72c7c"Father Knows Least"Don Judge & Chris SavinoCarlos RamosMay 23, 2003 (2003-05-23)407c
Dexter's father is left to watch the kids while his wife visits her sister.
73a8a"Height Unseen"Don Judge & Chris SavinoKevin KaliherSeptember 12, 2003 (2003-09-12)408a (626-027)
Again tired of being short, but mindful of his past failures, Dexter decides to make everyone shorter than himself.
73b8b"Bygone Errors"Robert Alvarez & Chris SavinoClayton McKenzie MorrowSeptember 12, 2003 (2003-09-12)408b (626-026)
the older Dexter and older Dee Dee talks about the glory days, and his sister is still there to inject her opinions, telling him what really happened.
73c8c"Folly Calls"Don Judge & Chris SavinoBobby LondonSeptember 12, 2003 (2003-09-12)408c (626-016)
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.
74a9a"Voice Over"Robert Alvarez & Chris SavinoCharlie BeanSeptember 19, 2003 (2003-09-19)409a (626-030)
When Dexter's computer gets laryngitis, Dexter must find a replacement voice.
74b9b"The Blonde Leading the Blonde"Don Judge & Chris SavinoAaron SpringerSeptember 19, 2003 (2003-09-19)409b (626-029)
Dexter refuses to admit that blondes have more fun, so Dee Dee secretly dyes his hair blond to prove it to him.
74c9c"Comic Stripper"Don Judge & Chris SavinoChris ReccardiSeptember 19, 2003 (2003-09-19)409c (626-028)
Dexter finds out that all of Mandark's plans are taken from a comic book.
75a10a"Tee Party"Don Judge & Chris SavinoAaron SpringerSeptember 26, 2003 (2003-09-26)410a (626-035)
Dexter and his father enter a golf tournament, but Dexter's father proves inept at the sport.
75b10b"Dexter's Wacky Races"Don Judge & Chris SavinoChris ReccardiSeptember 26, 2003 (2003-09-26)410b (626-034)
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.
76a11a"The Lab of Tomorrow"Don Judge & Chris SavinoCharlie BeanNovember 4, 2003 (2003-11-04)411a
Monkey narrates a documentary of the future of laboratories and sciences.
76b11b"Chicken Scratch"Genndy TartakovskyStoryboard by: Genndy TartakovskyNovember 4, 2003 (2003-11-04)[lower-alpha 2]411b
When Dexter gets chicken pox, Dee Dee warns him with a ridiculous story about some hens that pecked children at night leaving pimples on them that if scratched would turn into evil contaminated chickens. So Dexter tries not to scratch himself, but can't resist and scratches incessantly, eventually transforming into a tainted hen.
76c11c"Garage Sale"Don Judge & Chris SavinoClayton McKenzie MorrowNovember 4, 2003 (2003-11-04)411c
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.
77a12a"They Got Chops"Chris SavinoKevin KaliherNovember 20, 2003 (2003-11-20)412a
When Dee Dee's Judo skills prove too much for Dexter, Dexter learns how to fight back at the same dojo she went to.
77b12b"Poetic Injustice"Robert Alvarez & Chris SavinoMark O'HareNovember 20, 2003 (2003-11-20)412b
Dexter falls in love with a new girl at his school, but he cannot win her heart until Dee Dee helps him with poetry.
77c12c"Comedy of Feathers"Genndy Tartakovsky & Chris SavinoGenndy TartakovskyNovember 20, 2003 (2003-11-20)412c
Dexter is forced to take Dee Dee to the zoo. There, she ends up trying to save an ostrich with disastrous results.
78a13a"Babe Sitter"Robert Alvarez & Chris SavinoMark O'HareSeptember 5, 2003 (2003-09-05)413a (626-019)
Dee Dee is hired by Mandark's parents to babysit him.
78b13b"Mountain Mandark"Don Judge & Chris SavinoKevin KaliherSeptember 5, 2003 (2003-09-05)413b (626-021)
Mandark gets in touch with nature.
78c13c"2Geniuses 2Gether 4Ever"Don Judge & Chris SavinoClayton McKenzie MorrowSeptember 5, 2003 (2003-09-05)413c (626-020)
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. This episode is dedicated to Nelda Ridley, a final checker who died before the episode aired.

Notes

  1. Also known as "Siblings and Sorcery".[9]
  2. "Chicken Scratch" originally premiered theatrically in July 2002 in front of The Powerpuff Girls Movie, during Season 3's run. It later officially premiered on Cartoon Network on November 4, 2003.

References

  1. "TNT commercials ca. April 1996 part 6-8". Archived from the original on December 19, 2021. Retrieved January 20, 2018 via YouTube.
  2. Beller, Miles (April 25, 1996). "TV Review; 'Dexter's Laboratory'". The Hollywood Reporter. BPI Entertainment News Wire.
  3. Godfrey, Leigh (November 6, 2001). "Dexter Goes Global in Worldwide Marathon". Animation World Network. Archived from the original on October 21, 2013. Retrieved June 5, 2013.
  4. "Dexter's Lab: Dexter's Rude Removal". Adult Swim. January 22, 2013. Archived from the original on January 25, 2013. Retrieved January 22, 2013.
  5. Lacey, Gord (October 29, 2010). "Dexter's Laboratory — Season 1 Review". TVShowsOnDVD.com. Archived from the original on October 29, 2013. Retrieved January 20, 2013.
  6. Moore, Scott (February 26, 1995). "Creative 'World Premiere Toons'". The Washington Post. Archived from the original on November 5, 2012. Retrieved May 14, 2011.
  7. "Dexter's Laboratory - Copyright Catalog". United States Copyright Office. Retrieved November 28, 2022.
  8. Boedecker, Hal (July 14, 1997). "Cartoon Network Zany Relief". Orlando Sentinel. Tribune Company. Archived from the original on March 1, 2017. Retrieved January 22, 2013.
  9. "Cartoon Network: Schedule". CartoonNetwork.com. April 4, 2001. Archived from the original on April 4, 2001. Retrieved September 23, 2021.
  10. Klein-Häss, Michelle (March 1998). "Thinking About the World Animation Celebration '98". Animation World Magazine. 2 (12). Archived from the original on October 12, 2013. Retrieved April 22, 2013.
  11. Parks, Steve (April 28, 1998). "A Kid Calls the 'Toon / Only 7, LI Boy's Carton Idea Makes It to TV". Newsday – Long Island, NY. Archived from the original on July 17, 2013. Retrieved May 14, 2011.
  12. DeMott, Rick (December 1, 1999). "Cartoon Network to Air Dexter's Lab Special". Animation World Network. Archived from the original on June 4, 2020. Retrieved January 23, 2013.
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