Dexter's Laboratory Season 1
01. DeeDeemensional
In "Deedeemensional", Dee Dee time-travels to save Dexter from a monster. In "Magmanamus", Monkey goes up against a lava being that dislikes human-caused noise. In "Maternal Combat", when his mother falls, Dexter creates a robot mom to substitute for her.
02. Dial M for Monkey: Magmanamus
Monkey must defend the city from a giant underground lava monster, Magmanamus, who cannot sleep because of the noise created by its residents.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Frank Welker
Monkey / Man #3 / Pilot (voice)
Brad Garrett
Magmanamus / Man #1 / Driver (voice)
Tom Kenny
Man #2 / Man #4 / Man #5 (voice)
Craig McCracken
Storyboard
Craig McCracken
Director
Genndy Tartakovsky
Director
Paul Rudish
Director
03. Maternal Combat
When his mother falls ill, Dexter creates a robot to do her chores. Dee Dee gets hold of its remote control and wreaks havoc, forcing Dexter to create a second robot to counter Dee Dee's.
04. Dexter Dodgeball
Dexter is forced to play dodgeball by his P. E. teacher. Constantly failing, Dexter builds a robotic exoskeleton to defend himself.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Michael Pataki
Coach (voice)
Rob Paulsen
Bully #1 / Bully #3 (voice)
05. Dial M for Monkey: Rasslor
Intergalactic wrestling champion Rasslor challenges Earth's superheroes, including Monkey, with the planet's fate at stake.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Randy Poffo
Rasslor (voice)
Rob Paulsen
Promotor / Major Glory / Sam-R-I (voice)
Tom Kenny
Mike Man / Valhallen / Capital G (voice)
Frank Welker
Monkey / Ref / Krunk (voice)
06. Dexter's Assistant
In need of an assistant to operate his latest invention, Dexter performs a brain transplant on Dee Dee to make her smart enough to fulfill the role. With her new brain, Dee Dee proves to be more intelligent than Dexter.
07. Dexter's Rival
Mandark Astronomanov, a new student at Dexter's school, seems to be superior to Dexter academically. Mandark forces Dexter to shut down his lab so that Mandark's lab can gain more power. However, with the help of Dee Dee, Dexter manages to destroy Mandark's lab.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Eddie Deezen
Mandark (voice)
Pamela Adlon
Beau (voice)
Frank Welker
Teacher #2 / Principal (voice)
Genndy Tartakovsky
Storyboard
Genndy Tartakovsky
Director
08. Dial M for Monkey: Simion
Monkey encounters Simion, an intelligent anthropomorphic chimpanzee who seeks vengeance on humans for turning him into his current state.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Frank Welker
Monkey / Captain (voice)
Robert Ridgely
Commander (voice)
Paula Tiso
Honeydrew (voice)
09. Old Man Dexter
Banned from watching a late-night movie due to his young age, Dexter uses his technology to artificially grow into adulthood, but Dee Dee tampers with his machine, causing Dexter to turn into an old man.
10. Double Trouble
Dee Dee and her friends, Lee Lee and Mee Mee, enter Dexter's lab and wreak havoc. Dexter clones himself to stop them, but the girls too make clones of themselves.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Pamela Adlon
Beau (voice)
Genndy Tartakovsky
Writer
Butch Hartman
Storyboard
Genndy Tartakovsky
Director
Rob Renzetti
Director
11. Dial M for Monkey: Barbequor
Monkey's birthday party is interrupted by Barbequor an intergalactic villain who plans to eat the planets, and his sidekick, the Silver Spooner.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Frank Welker
Monkey / Krunk (voice)
Robert Ridgely
Barbequor / Commander (voice)
Rob Paulsen
Silver Spooner / Major Glory / Tiki Torch (voice)
Tom Kenny
Snowman / Living Bullet / Valhallen (voice)
12. Changes
Rerun of "Dexter's Laboratory", the first "What a Cartoon!" pilot.
Genndy Tartakovsky
Writer
Genndy Tartakovsky
Director
13. Jurassic Pooch
To clone a dinosaur with an incomplete DNA sequence, Dexter uses his dog's genetic code to fill in the gaps.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Frank Welker
Dinosaur / Dog (voice)
Butch Hartman
Storyboard
Conrad Vernon
Storyboard
Genndy Tartakovsky
Director
Craig McCracken
Director
14. Dial M For Monkey: Orgon Grindor
While on a date with Agent Honeydew, Monkey gets hypnotized by the music of the Organ Grindor who commands him to rob Fort Knox.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Robert Ridgely
Commander (voice)
Frank Welker
Monkey (voice)
Jim Cummings
Orgon Grindor (voice)
15. Dimwit Dexter
Due to overworking his brain, Dexter's mind shuts down, making him act idiotic.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
John Kassir
Guy #2 / Guy #3 / Kid #2 (voice)
Tom Kenny
Officer / Balloon Man / Man in Booth (voice)
Miles Thompson
Storyboard
Genndy Tartakovsky
Director
16. Dee Dee's Room
After Dee Dee steals his critical invention, Dexter ventures into her room to find it.
Genndy Tartakovsky
Writer
Teddy Newton
Storyboard
Todd Frederiksen
Storyboard
Genndy Tartakovsky
Director
17. Dial M For Monkey: Huntor
Monkey encounters an alien hunter named Huntor and must fight him to save Agent Honeydew and Commander Chief.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Frank Welker
Monkey / Snorkdro (voice)
Ed Gilbert
Huntor / Space Hick #2 (voice)
Robert Ridgely
Tracker #1 / Space Hick #2 (voice)
18. The Big Sister
Rerun of the second "What a Cartoon!" pilot.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Frank Welker
President / General / Guy / God / Man #2 / Einstein (voice)
Genndy Tartakovsky
Writer
Genndy Tartakovsky
Director
19. Star Spangled Sidekicks
Dexter and Dee Dee enter tryouts to become Major Glory's sidekick. When Dee Dee wins, Dexter realizes that fancy costumes are not the only criterion to become a superhero.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Jorge Galvan
Doctor Diablos (voice)
Rob Paulsen
Major Glory / Fat Boy (voice)
Genndy Tartakovsky
Storyboard
Craig McCracken
Director
Genndy Tartakovsky
Director
Andy Bialk
Character Designer
20. The Justice Friends: TV Super Pals
With only one television in their apartment, Major Glory, Krunk, and Valhallen disagree on what to watch: Major Glory's televised capture of the Disgruntled Postman, TV Puppet Pals, or the monster truck pull.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Tom Kenny
Disgruntled Postman / Puppet Pal Clem / Valhallen (voice)
Rob Paulsen
Major Glory / Puppet Pal Mitch (voice)
21. Game Over
Dexter and Dee Dee's father buys a video game for them to play, but the game sucks Dexter inside when he plugs in the cartridge, and it is up to Dee Dee to bring him out.
Genndy Tartakovsky
Writer
Craig McCracken
Storyboard
Craig McCracken
Director
Genndy Tartakovsky
Director
Andy Bialk
Character Designer
22. Babysitter Blues
Dexter has a crush on his teenage babysitter Lisa. When he finds out that she has a boyfriend, he sabotages their relationship and accelerates his age by ten years in an attempt to win her heart.
Butch Hartman
Writer
Paul Rudish
Writer
Craig McCracken
Storyboard
Craig McCracken
Director
Rob Renzetti
Director
23. The Justice Friends: Valhallen's Room
Valhallen loses his magic ax and starts turning into a nerd, forcing Major Glory and Krunk to enter his room to find it.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Tom Kenny
Valhallen (voice)
Rob Paulsen
Major Glory (voice)
Frank Welker
Krunk / Goat (voice)
24. Dream Machine
When Dexter's nightmares become frequent and problematic, he invents a machine that allows him to have nice dreams, as long as Dee Dee can operate it properly while she is awake.
25. Dollhouse Drama
Suspicious that Dee Dee has not entered his lab even once on a particular day, Dexter shrinks himself and enters her room to spy on her. He soon becomes an unwilling character in Dee Dee's doll story, but he believes the story to be real.
26. The Justice Friends: Krunk's Date
While fighting Comrade Red and his gang, Krunk falls in love with his equivalent in their gang, She-Thing.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Tom Kenny
Valhallen / Living Bullett (voice)
Rob Paulsen
Major Glory / Comrade Red (voice)
Frank Welker
Krunk (voice)
27. The Big Cheese
Dexter's new device allows him to study for the next day's French test while sleeping. It malfunctions, causing a single phrase -omelette du fromage- to repeat throughout the night, causing Dexter to wake up the next morning speaking nothing else except "omelette du fromage".
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Rob Paulsen
Math Teacher / Thug / Game Show Host (voice)
28. Way of the Dee Dee
Dee Dee teaches Dexter how to live life her way instead of being lonely and purely focused on science.
29. The Justice Friends: Say Uncle Sam
Major Glory forces Krunk and Valhallen to tidy up their apartment for his Uncle Sam, who is coming over for a visit.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Tom Kenny
Valhallen (voice)
Rob Paulsen
Major Glory (voice)
Frank Welker
Krunk (voice)
30. Tribe Called Girl
To learn more about girls, Dexter camouflages himself and enters Dee Dee's room, where she is having a sleepover with her friends Lee Lee and Mee Mee. He gets caught by the girls, who force him to take part in their activities.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Kimberly Brooks
Mee Mee (voice)
Frank Welker
Announcer / Monkeys (voice)
31. Spacecase
To prevent himself from being taken away by aliens for experimentation, Dexter tricks Dee Dee into going instead, but he regrets his decision after realizing how much he cares for her.
32. The Justice Friends: Ratman
To fix their apartment's plumbing, Krunk and Valhallen go to the basement, where they meet Ratman, a diminutive vigilante raised by rats (a parody of Batman).
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Frank Welker
Krunk (voice)
Tom Kenny
Valhallen / TV Announcer / Puppet Pal Mitch (voice)
Rob Paulsen
Major Glory / Mom / Puppet Pal Clem (voice)
Charlie Bean
Writer
Genndy Tartakovsky
Director
33. Dexter's Debt
Dexter's lab is threatened with repossession unless he can repay his debt to NASA. When Dee Dee wins the same amount in a lottery, he decides to steal her money out of desperation.
34. The Justice Friends: Bee Where?
Major Glory, Krunk, and Valhallen try to rid their apartment of a bee.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Tom Kenny
Valhallen (voice)
Rob Paulsen
Major Glory (voice)
Frank Welker
Krunk / Bee (voice)
Craig McCracken
Storyboard
Butch Hartman
Storyboard
Genndy Tartakovsky
Director
Rob Renzetti
Director
35. Mandarker
Following the destruction of his lab by Dexter and Dee Dee (in the episode Dexter's Rival), Mandark turns to magic to beat Dexter at the science fair.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Eddie Deezen
Mandark (voice)
Frank Welker
Teacher / Robot / JoJo (voice)
Tom Kenny
TV Announcer / Judge #2 / Judge #1 (voice)
36. Inflata Dee Dee
Dee Dee inflates Dexter's hydro-plasmatic suit and constantly floats in the air, prompting Dexter to bring her down.
37. The Justice Friends: Can't Nap
After fellow Justice Friend White Tiger helps Valhallen stop a super-villain, the latter invites him to spend the night in his apartment, forgetting that Major Glory is allergic to cats.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Rob Paulsen
Major Glory (voice)
Tom Kenny
Valhallen / Mental Mouse (voice)
Frank Welker
Krunk / White Tiger (voice)
38. Monstory
Not interested in hearing Dee Dee's long-winded story, Dexter gives her a silencing formula to keep her quiet, but it instead turns her into a giant monster still bent on telling her story. When he realizes that nothing can make her quiet, he becomes a giant monster himself.
Christine Cavanaugh
Dexter
Allison Moore
Dee Dee
Jeff Bennett
Dad (voice)
Kath Soucie
Mom (voice)
Tom Kenny
Police Guy / Cop / Lady (voice)
40. Episode 40
41. Episode 41
42. Episode 42
43. Episode 43
44. Episode 44
45. Episode 45
46. Episode 46
47. Episode 47
48. Episode 48
49. Episode 49
50. Episode 50
51. Episode 51
52. Episode 52
53. Episode 53
54. Episode 54
55. Episode 55
56. Episode 56
57. Episode 57
58. Episode 58
59. Episode 59
60. Episode 60
61. Episode 61
62. Episode 62
63. Episode 63
64. Episode 64
65. Episode 65
66. Episode 66
67. Episode 67
68. Episode 68
69. Episode 69
70. Episode 70
71. Episode 71
72. Episode 72
73. Episode 73
74. Episode 74