Dexter's Laboratory
TV Show · Animation · Kids & Family

Meet Dexter, half Einstein and half third-grader. This boy genius creates awesome inventions in a space-age lab attached to his room, but no genius is without trouble! Dexter's space-brained sister, Dee Dee, is always messing up his work, and his dorky rival, Mandark, is constantly trying to one-up him. Time to fight fire with — science!

1996 · 20m
Starring Christine Cavanaugh, Jeff Bennett, Kath Soucie
Director Genndy Tartakovsky, Chris Savino

Season 1

  • EPISODE 2
    Dexter Dodgeball / Rasslor / Dexter's Assistant
    "Dexter Dodgeball":  After repeated pummeling in the Gym class dodgeball game, Dexter arrives for class ready for action encased in an Armored Cyber-Sonic Exo-Jock Jumpsuit. / "Rasslor": The Interlactic Wrestling Champion, Rasslor, challenges all of Earth's heroes to a competition with the fate of the Earth as a grand prize. After all the other heroes get pinned, it is Monkey's spirit, will and wrestling technique that must save the Earth. / "Dexter's Assistant":  Dexter gives Dee Dee a smarter brain so she can be his assistant on a secret, science fair project. But after genius Dee Dee questions Dexter's calculations, she decides to create a project of her own.
    7 min
  • EPISODE 3
    Dexter's Rival / Simion / Old Man Dexter
    "Dexter's Rival":  The new kid in school, Mandark, steals Dexter's spotlight and his ego when he finds Mandark has a bigger and better Laboratory. Dexter regains his status when he helps Mandark invite Dee Dee, the most destructive force known to any Laboratory, over for a date. / "Simion": Seeking revenge on Mankind, a super-transformed space chimp, Simion attempts to get Monkey to help him destroy the Human Race. Monkey finds a common bond with Simion and is able to stop the evil plan by reminding him of the good-life of being a simple chimp. / "Old Man Dexter":  Dexter, tired of not being old enough to stay up for the late movie on TV, uses his Excellerager to make himself older. When Dee Dee messes up the mechanics and Dexter turns into an old man, Old Man Dexter is far too tired to stay up for the movie.
    20 min
  • EPISODE 4
    Double Trouble / Barbequor / Changes
    "Double Trouble":  Dexter and his cloning machine overheat when Dee Dee and her friends clone and re-clone themselves for Laboratory fun-time. / "Dexter's Lab": A Story" When Dexter takes in a lost Labrador Retriever, he decides to enable the dog to talk. This backfires when it turns out that the dog has very little of interest to say. / "Changes":  A young genius, Dexter, invents a device which can change a person into any animal. Trouble starts when his pesky sister Dee Dee wants to try it out. This was the first Dexter short ever created.
    22 min
  • EPISODE 5
    Jurassic Pooch / Organ Grindor / Dimwit Dexter
    "Jurassic Pooch" After regenerating a Tyrannosaurus Rex using some puppy-dog DNA, Dexter must recapture the dinosaur-doggie beast when Dee Dee decides to take it for a walk in the park. / "Orgon Grindor": Under the spell of Orgon Grindor's musical hurdy-gurdy, Monkey is hypnotized to do evil. Agent Honey Dew must snap Monkey from the spell so they can thwart Orgon Grindor's thieving plans. / "Dimwit Dexter":  When Dexter's brain shuts down from the stress of a difficult equation, Dee Dee and the neighborhood kids have fun watching the uninhibited, goofy Dexter lose his mind.
    21 min
  • EPISODE 6
    Dee Dee's Room / Huntor / Big Sister
    "Dee Dee's Room":  When Dexter's latest invention comes up missing, He dawns his Anti-Cootie suit to search the most frightening, evil, and gross place known to Boykind...Dee Dee's room. / "Huntor": The self-proclaimed ultimate cosmic hunter, Huntor is out for the ultimate prey, Monkey. Fending for his life on a jungle-like asteroid, Monkey turns the tides and Huntor becomes the hunted. / "Big Sister" Dexter has big trouble when his experimental cookies make his hungry sister, Dee Dee, 100 feet tall. Now, Dexter must come up with a way to save the city and the day!
    20 min
  • EPISODE 8
    Babysitter Blues / Valhallen's Room / Dream Machine
    "Babysitter Blues":  Dexter is in love with his babysitter, Lisa. Distraught when he realizes she has a teenaged boyfriend, he ages himself by ten years to win her heart, to less than desirable results. / "Valhallen's Room":  (Justice Friends) When Valhallen loses his "axe," his "mystic instrument of might", Major Glory and Krunk search his room for it, and find it in a most unexpected place. / "Dream Machine":  When Dexter has a nightmare that he is taking a test and he can't even add 2+2, he makes a dream machine that is designed to keep his dreams positive. He instructs Dee Dee to monitor the machine, and when she can't stay awake to do it, his dreams turn ugly.
    20 min

Related

Cast & Crew

  • Christine Cavanaugh
    Dexter
  • Jeff Bennett
    Dad
  • Kath Soucie
    Mom
  • Tommy Kenny
    Valhallen
  • Frank Welker
    Monkey
  • K‌C
    Kathryn Cressida
    Dee Dee
  • Rob Paulsen
    Major Glory
  • Genndy Tartakovsky
    Director
  • C‌S
    Chris Savino
    Director
  • Craig McCracken
    Director
  • R‌R
    Rob Renzetti
    Director

About

Dexter's Laboratory

Animation

Meet Dexter, half Einstein and half third-grader. This boy genius creates awesome inventions in a space-age lab attached to his room, but no genius is without trouble! Dexter's space-brained sister, Dee Dee, is always messing up his work, and his dorky rival, Mandark, is constantly trying to one-up him. Time to fight fire with — science!

Information

Studio
Cartoon Network
Released
1996
Rated
0+
Region of Origin
United States
© & TM - Cartoon Network - 1998

Languages

Original Audio
English, English (Australia), Korean
  • Español (México)
Select a country or region

Africa, Middle East, and India

  • Armenia
  • Azerbaijan
  • Bahrain
  • Botswana
  • Brunei Darussalam
  • Cape Verde
  • Egypt
  • Eswatini
  • Gambia
  • Ghana
  • Guinea-Bissau
  • India
  • Israel
  • Jordan
  • Lebanon
  • Mauritius
  • Mozambique
  • Namibia
  • Niger (English)
  • Oman
  • Qatar
  • Saudi Arabia
  • South Africa
  • Sri Lanka
  • Tajikistan
  • Turkmenistan
  • Uganda
  • United Arab Emirates
  • Zimbabwe

Asia Pacific

  • Australia
  • Cambodia
  • Fiji
  • 香港 (廣東話–繁體)
  • Indonesia (English)
  • 日本
  • Lao People's Democratic Republic
  • 澳門 (廣東話–繁體)
  • Malaysia (English)
  • Micronesia, Federated States of
  • Mongolia
  • New Zealand
  • Philippines
  • Singapore
  • 대한민국
  • 台灣
  • Thailand
  • Turkmenistan
  • Vietnam

Europe

  • Armenia
  • Österreich
  • Belarus
  • Belgium
  • Bulgaria
  • Cyprus
  • Czechia
  • Denmark
  • Estonia
  • Finland
  • France (Français)
  • Deutschland
  • Greece
  • Hungary
  • Ireland
  • Italia
  • Latvia
  • Lithuania
  • Luxembourg (English)
  • Malta
  • Moldova, Republic Of
  • Nederland
  • Norway
  • Poland
  • Portugal (Português)
  • Россия
  • Slovakia
  • Slovenia
  • España
  • Sverige
  • Schweiz
  • Türkiye (English)
  • Ukraine
  • United Kingdom

Latin America and the Caribbean

  • Anguilla
  • Antigua and Barbuda
  • Argentina (Español)
  • Bahamas
  • Belize
  • Bermuda
  • Bolivia (Español)
  • Brasil
  • Virgin Islands, British
  • Cayman Islands
  • Chile (Español)
  • Colombia (Español)
  • Costa Rica (Español)
  • Dominica
  • República Dominicana
  • Ecuador (Español)
  • El Salvador (Español)
  • Grenada
  • Guatemala (Español)
  • Honduras (Español)
  • México
  • Nicaragua (Español)
  • Panamá
  • Paraguay (Español)
  • Perú
  • St. Kitts and Nevis
  • Trinidad and Tobago
  • Venezuela (Español)

The United States and Canada

  • Canada (English)
  • Canada (Français)
  • United States
  • Estados Unidos (Español México)

Copyright © 2025 Apple Inc. All rights reserved.

  • Internet Service Terms
  • Apple TV & Privacy
  • Cookie Policy
  • Support
Select a country or region

Africa, Middle East, and India

  • Armenia
  • Azerbaijan
  • Bahrain
  • Botswana
  • Brunei Darussalam
  • Cape Verde
  • Egypt
  • Eswatini
  • Gambia
  • Ghana
  • Guinea-Bissau
  • India
  • Israel
  • Jordan
  • Lebanon
  • Mauritius
  • Mozambique
  • Namibia
  • Niger (English)
  • Oman
  • Qatar
  • Saudi Arabia
  • South Africa
  • Sri Lanka
  • Tajikistan
  • Turkmenistan
  • Uganda
  • United Arab Emirates
  • Zimbabwe

Asia Pacific

  • Australia
  • Cambodia
  • Fiji
  • 香港 (廣東話–繁體)
  • Indonesia (English)
  • 日本
  • Lao People's Democratic Republic
  • 澳門 (廣東話–繁體)
  • Malaysia (English)
  • Micronesia, Federated States of
  • Mongolia
  • New Zealand
  • Philippines
  • Singapore
  • 대한민국
  • 台灣
  • Thailand
  • Turkmenistan
  • Vietnam

Europe

  • Armenia
  • Österreich
  • Belarus
  • Belgium
  • Bulgaria
  • Cyprus
  • Czechia
  • Denmark
  • Estonia
  • Finland
  • France (Français)
  • Deutschland
  • Greece
  • Hungary
  • Ireland
  • Italia
  • Latvia
  • Lithuania
  • Luxembourg (English)
  • Malta
  • Moldova, Republic Of
  • Nederland
  • Norway
  • Poland
  • Portugal (Português)
  • Россия
  • Slovakia
  • Slovenia
  • España
  • Sverige
  • Schweiz
  • Türkiye (English)
  • Ukraine
  • United Kingdom

Latin America and the Caribbean

  • Anguilla
  • Antigua and Barbuda
  • Argentina (Español)
  • Bahamas
  • Belize
  • Bermuda
  • Bolivia (Español)
  • Brasil
  • Virgin Islands, British
  • Cayman Islands
  • Chile (Español)
  • Colombia (Español)
  • Costa Rica (Español)
  • Dominica
  • República Dominicana
  • Ecuador (Español)
  • El Salvador (Español)
  • Grenada
  • Guatemala (Español)
  • Honduras (Español)
  • México
  • Nicaragua (Español)
  • Panamá
  • Paraguay (Español)
  • Perú
  • St. Kitts and Nevis
  • Trinidad and Tobago
  • Venezuela (Español)

The United States and Canada

  • Canada (English)
  • Canada (Français)
  • United States
  • Estados Unidos (Español México)