Dexter's Laboratory: Season 3
Season 3 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Dexter's Laboratory Season 2.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 3 Progress Shield
Sole Brother
Nov 16, 2001
After a failed mutation experiment, Dexter becomes Dee Dee's foot.
Mind Over Chatter
Nov 16, 2001
Dexter uses a device to listen to what Dad is thinking, but the experiment backfires and everyone else can hear what Dexter is thinking.
Copping an Attitude
Nov 30, 2001
Because of his exceptional grades Dexter's school and parents have decided that he can go to college. At first Dexter is happy to be there so he can fill his mind with college know
A Failed Lab Experiment
Nov 30, 2001
Dexter creates a device taht doesn't work the way he wanted.
The Grand Daddy of All Inventions
Nov 30, 2001
Dexter's mom takes him to his grandpa's house. At first he thinks it's going to be a boring day until he discovers that his grandpa has a secret lab!
Poppa Wheely
Jan 18, 2002
It's career day and Dexter is ashamed of his Dad so he creates a Dad that looks more like him.
The Mock Side of the Moon
Jan 18, 2002
Dexter travels to the moon and finds aliens that are planning to come to Earth to take everything.
If Memory Serves
Feb 22, 2002
Fearing that his memory might be limited, Dexter uses a device to save all his memories.
Tele Trauma
Feb 22, 2002
Tired of missing his favorite TV shows because of studying, Dexter creates a special helmet that absorbs all the TV info.
A Boy Named Sue
Mar 29, 2002
How did a young child called Susan became the being now known as Mandark? Born to free spirits, and with a passionate determination to harness the forces of science for his own end
Lab on the Run
Mar 29, 2002
Two robots escape from Dexter's lab in order to have a better life.
Dos Boot
Jun 7, 2002
Mandark gets in Dexters computer raving havok, so Dexter must stop him.
A Dee Dee Cartoon
Jun 7, 2002
After being kicked out of Dexter's Lab (AGAIN) She goes and plays in her ""lab"".
Would You Like That In The Can
Jun 7, 2002
A girl accidentally takes Dexter's lunchbox, so Dexter and his friend must go into the girls bathroom to get it.
A Silent Cartoon
Jun 14, 2002
Dexter is trying to build his lab blue, but Dee Dee keeps making it pink.
Opposites Attract
Jun 14, 2002
Dexter creates a magnetic field to keep Dee Dee away from him.
Comic Relief
Jun 21, 2002
Dexter creates a special device that lets him create his own life-like superhero comic... along with his sister villian ""Deestructa"".
RoboDexo 3000
Jun 21, 2002
Dexter creates the ultimate robot (RoboDexo 3000) to replace his previous 200 model.
Glove at First Sight
Jun 28, 2002
Mom and Dad recall the moments that got them together.
A Mom & Dad Cartoon
Jun 28, 2002
Mom and Dad are having a discussion while playing scrabble, a discussion that Dexter and Dee Dee don't interpretate the right way.
Smells Like Victory
Jun 28, 2002
The U.S. army invades Dexter's lab and Dexter fights them, each side thinking the other is a troop of aliens.
Oh, Brother
Jul 5, 2002
Dexter uses his newest creation to turn Dee Dee into a boy, but the male version of Dee Dee (Doo Dee) is not as cool as Dexter it would.
Another Dad Cartoon
Jul 5, 2002
While Mom, Dexter and Dee Dee are out shopping, Dad decides to spend the afternoon dancing... like Tom Cruise in Risky Business.
Jeepers, Creepers, Where is Peepers?
Jul 12, 2002
Dexter and Koosy must save Peepers, otherwise the whole land of Koz will disappear.
Go, Dexter Family, Go!
Jul 12, 2002
Dexter and his family are kidnapped by aliens, Dexter leads his family in an escape attempt, but when Dexter is captured once more, Mom, Dad, and Dee-Dee attempt to save him.
Scare Tactics
Sep 20, 2002
Dexter and Dad watch a late night horror movie and spend a scary night in their house.
My Dad vs. Your Dad
Sep 20, 2002
Both Dexter and Mandark's fathers intercede during another of Dexter and Mandark's petty squabbles, but their effort to get along with one another backfire, and the two also soon e