As of July 2026, Dexter's Laboratory Season 3 aired in 2001 with 36 episodes — streaming now on HBO Max. Full episode guide and where to watch below.
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Dexter's Laboratory Season 3

2001 36 Episodes Animation · Comedy ⭐ 8/10

Dexter's Laboratory Season 3 has quietly become one of the more dependable comedies currently available on and . A compact run that never overstays its welcome. Its 8/10 TMDB score, built from 899 ratings, reflects a title that consistently delivers. Christine Cavanaugh's performance alone is worth the time investment. Put it on tonight and see for yourself.

Dexter's Laboratory Season 3 arrived without much fanfare and built its audience the hard way — through word of mouth. Sharp writing and a well-matched ensemble are what separate Dexter's Laboratory Season 3 from the crowd. Season 3 of Dexter's Laboratory includes 36 episodes. It aired from November 2001 to September 2002. This season stars Christine Cavanaugh, Candi Milo and Jeff Bennett. Christine Cavanaugh and Candi Milo lead a cast that brings real weight to the material. It was aired in 2001. Dexter's Laboratory Season 3 earns its laughs from character rather than situation, which is why it does not wear thin the way pure farce tends to. The consistency throughout is what elevates it — not every moment is the best, but none of them are a reason to stop watching.

For viewers who want something light without wanting something stupid, Dexter's Laboratory Season 3 respects your intelligence. It stands on its own even without an obvious comparison point. Short enough to finish in a weekend, substantial enough to feel satisfying. Christine Cavanaugh is funny in a way that holds up on rewatch. Put it on when you need something guaranteed to land.

📡 Where to Watch Dexter's Laboratory Season 3

🇦🇺 Australia
🇬🇧 United Kingdom
🇨🇦 Canada
🇳🇿 New Zealand
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🎬 Dexter's Laboratory Season 3 — Episode Guide

E1
Streaky Clean
2001-11-16
Dexter creates a device to keep his clothes clean.
E2
A Dad Cartoon
2001-11-16
Dad decides to give the car a retouch.
E3
Sole Brother
2001-11-16
After a failed mutation experiment, Dexter becomes Dee Dee's foot.
E4
Mind Over Chatter
2001-11-16
Dexter uses a device to listen to what Dad is thinking, but the experiment backfires and everyone else can hear what Dexter is thinking.
E5
A Quackor Cartoon
2001-11-16
Quackor returns to battle Monkey in Dexter's Lab.
E6
Momdark
2001-11-16
Mandark disguises as Mom in order to get into Dexter's Lab.
E7
Copping an Attitude
2001-11-30
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 knowledge, but in the end the students influence on Dexter allows him to do college pranks sending him a one way ticket back...
E8
A Failed Lab Experiment
2001-11-30
Dexter creates a device taht doesn't work the way he wanted.
E9
The Grand Daddy of All Inventions
2001-11-30
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!
E10
Poppa Wheely
2002-01-18
It's career day and Dexter is ashamed of his Dad so he creates a Dad that looks more like him.
E11
A Mom Cartoon
2002-01-18
Mom spends a day at the supermarket.
E12
The Mock Side of the Moon
2002-01-18
Dexter travels to the moon and finds aliens that are planning to come to Earth to take everything.
E13
If Memory Serves
2002-02-22
Fearing that his memory might be limited, Dexter uses a device to save all his memories.
E14
A Mandark Cartoon
2002-02-22
Mandark plans another scheme to get rid of Dexter.
E15
Tele Trauma
2002-02-22
Tired of missing his favorite TV shows because of studying, Dexter creates a special helmet that absorbs all the TV info.
E16
A Boy Named Sue
2002-03-29
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 ends, this is his story...
E17
Lab on the Run
2002-03-29
Two robots escape from Dexter's lab in order to have a better life.
E18
Dos Boot
2002-06-07
Mandark gets in Dexters computer raving havok, so Dexter must stop him.
E19
A Dee Dee Cartoon
2002-06-07
After being kicked out of Dexter's Lab (AGAIN) She goes and plays in her ""lab"".
E20
Would You Like That In The Can
2002-06-07
A girl accidentally takes Dexter's lunchbox, so Dexter and his friend must go into the girls bathroom to get it.

🎭 Cast of Dexter's Laboratory Season 3

Christine Cavanaugh
Christine Cavanaugh
Dexter (voice)
Candi Milo
Candi Milo
Dexter (voice)
Jeff Bennett
Jeff Bennett
Dad (voice)
Kath Soucie
Kath Soucie
Mom (voice)
AM
Allison Moore
Dee Dee (voice)

📋 All Seasons of Dexter's Laboratory

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