The misadventures of a boy genius and his annoying sister.
Dexter is a Boy Genius Who has a secret lab in his room his Mom and Dad don't know about it, but his older sister Dee Dee Does and they go on wacky (yet Sci-fi) Capers
1. Beau Tie/Remember Me?/Over-Labbing
Aired: Nov 22, 2002"Beau tie" (7 minutes) Dee Dee brings home a boy who's not only cute-he's sma...
2. Sis-Tem Error/Bad Cable Manners/Dexter's Library
Aired: Nov 22, 2002Dee Dee accidentally shuts down the lab and must embody all of Dexter's lab s...
3. The Scrying Game/Monstrosi-Dee Dee/Dad Man Walking
Aired: Nov 22, 2002"The Scrying Game" (7 minutes) Dee Dee reads Dexter's fortune and, much to hi...
4. Dexter's Little Dilemma/Faux Chapeau/D2
Aired: Apr 25, 2003"Dexter's Little Dilemma" (7 minutes) Dexter has shrunk his parents and put t...
5. Head Band/Stuffed Animal House/Used Ink
Aired: Apr 25, 2003"Head Band" (7 minutes) Dee Dee has a song stuck in her head-literally. Dexte...
6. School Girl Crushed/Chess Mom/Father Knows Least
Aired: Apr 25, 2003"School Girl Crushed" (7 minutes) Dexter and Mandark attempt to defend their ...
7. Dexter the Barbarian/Tuber Time/Sore Eyes
Aired: May 2, 2003"Dexter the Barbarian" (7 minutes) Dexter is a barbarian just trying to make ...
8. Babe Sitter/Mountain Mandark/2Geniuses 2Gether 4Ever
Aired: May 2, 2003"Babe Sitter" (7 minutes) Mandark thinks he's going to have a nice romantic e...
9. Height Unseen/Bygone Errors/Folly Calls
Aired: May 2, 2003"Height Unseen" (7 minutes) When everyone but him has had a growth spurt, Dex...
10. Voice Over/Blonde Leading the Blonde/Comic Stripper
Aired: May 9, 2003"Voice Over" (7 minutes) When Computer gets laryngitis, Dexter must find a re...
11. Tee Party/Dexter's Wacky Races
Aired: May 9, 2003"Tee Party" (11 minutes) When Dad makes Dexter be his caddy, Dexter destroys ...
12. The Lab of Tomorrow/Chicken Scratch/Garage Sale
Aired: May 9, 2003"The Lab of Tomorrow" (7 minutes) Dexter narrates as he shows new scientists ...
13. They Got Chops/Poetic Injustice/Comedy of Feathers
Aired: May 16, 2003"They Got Chops" (7 minutes) When Dee Dee starts layin' the judo on Dexter, h...
Aired: May 16, 2003 Dee Dee's stuffed animals come to life and roam the house. Dee Dee and Dexter...
Aired: May 16, 2003 Dexter creates an ink in which lets him command them to do whatever he wants ...
Aired: May 23, 2003 Decxter and Mandark are both outperformed by a new girl attending the school,...
Aired: May 23, 2003 Mom thinks she should spend quality time and watch Dexter in his chess comati...
Aired: May 23, 2003 Dad gets fired from his job, and has to do the same job Mom does. He realises...
Aired: May 30, 2003 Dexter goes on a quest. His quest is to reach the bathroom before he explodes.
Aired: May 30, 2003 When Dexter realises the power of the potato, he redesigns his lab to work on...
Aired: May 30, 2003 Dexter is tired of wearing glasses, so he uses laser surgery on his eyes to m...
Aired: Sep 5, 2003 Dee Dee goes over to Mandark's house to baby sit him, and Mandark likes that ...
Aired: Sep 5, 2003 Mandark drops technology and starts being more in touch with nature.
Aired: Sep 5, 2003 Dexter decides its better if him and Mandark work together, although in the e...
Aired: Sep 12, 2003 Dexter is tired of being short, since his old plan of growing himself didnt w...
Aired: Sep 12, 2003 This takes place in the future, where Old Man Dexter tells about his ""glory ...
Aired: Sep 12, 2003 When Dee Dee accidentally chops off her pigtail, Dexter gives her some hair g...
Aired: Sep 19, 2003 When Dexter's Computer gets Laryngitus, Dexter must find a replacement voice ...
29. The Blonde Leading the Blonde
Aired: Sep 19, 2003Dexter refuses to see that blonde's have more fun, so he dyes Dee Dee's hair ...
Aired: Sep 19, 2003 Dexter finds out that all of Mandark's plans are taken from a comic book. Th...
Aired: Sep 26, 2003 Dexter and his dad enter a Golf tournament, with Dad eager to get his hands o...
Aired: Sep 26, 2003 Dexter, Monkey, The Justice Freinds, Dee-Dee, her imaginary freind Coosie, Ma...
Aired: Nov 4, 2003 Monkey narrates a documentry of the future of Laboratories and sciences.
Aired: Nov 4, 2003
Aired: Nov 4, 2003 Dexters parents accidentally sell Dexter's latest invention, and it is bought...
Aired: Nov 20, 2003 Dee Dee starts layin' down the Judo on Dexter, then Dexter learns how to figh...
Aired: Nov 20, 2003 Dexter falls in love with a new girl at his school, but decides to impress he...
Aired: Nov 20, 2003 When Dee Dee sees an Ostrage at the Zoo, she wants one of her own as a pet.
Streaming in:
Main Cast
Creators
Current Status: Ended
Network: Cartoon Network
Production Country: United States
Genres: Adventure, Family, Sci-Fi, Animation, Fantasy, Short
Dexter's Laboratory: Where to Watch Online?
It is also possible to rent or buy on Windows Store, Amazon, AppleTV, Google Play, YouTube online.
