AnimationComedySci-Fi & FantasyCartoon Network

The Worst Episodes of Dexter's Laboratory

Every episode of Dexter's Laboratory ranked from worst to best. Explore the Worst Episodes of Dexter's Laboratory!

Worst episode
S3E3 Sole Brother
5.8141 votes
Best episode
S2E39 Ice Cream Scream
8.2235 votes
Top season
Season 2
7.1avg
Binge time
1d 3h
220 episodes

Seasons4

Episode Rankings

  1. #1 Worst Episode
    Click to reveal
    Dexter's Laboratory Season 3 Episode 3 - Sole Brother
    5.8/10(141 votes)
    S3:E3

    After a failed mutation experiment, Dexter becomes Dee Dee's foot.

    Be the first to start the conversation for this episode

  2. Dexter's Laboratory Season 4 Episode 3 - Overlabbing
    5.9/10(135 votes)
    S4:E3

    Dexter and Mandark drill underground to expand their labs, but end up overlapping each other's work. They secretly devise a plan to destroy each other.

    Be the first to start the conversation for this episode

  3. Dexter's Laboratory Season 3 Episode 11 - A Mom Cartoon
    5.9/10(132 votes)
    S3:E11

    Mom spends a day at the supermarket.

    Director:Chris Savino
    Writer:Unknown

    Be the first to start the conversation for this episode

  4. Dexter's Laboratory Season 3 Episode 12 - The Mock Side of the Moon
    6.0/10(143 votes)
    S3:E12

    Dexter travels to the moon and finds aliens that are planning to come to Earth to take everything.

    Be the first to start the conversation for this episode

  5. Dexter's Laboratory Season 4 Episode 9 - Dad Man Walking
    6.0/10(133 votes)
    S4:E9

    Dexte'rs father begins to sleepwalk, and accidently stumbles into Dexter's Lab

    Be the first to start the conversation for this episode

  6. Dexter's Laboratory Season 3 Episode 9 - The Grand Daddy of All Inventions
    6.0/10(130 votes)
    S3:E9

    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!

    Be the first to start the conversation for this episode

  7. Trending NowTRENDING NOW

    The 20 BEST Episodes of Dexter's Laboratory

    READ
  8. Dexter's Laboratory Season 3 Episode 1 - Streaky Clean
    6.1/10(147 votes)
    S3:E1

    Dexter creates a device to keep his clothes clean.

    Be the first to start the conversation for this episode

  9. Dexter's Laboratory Season 3 Episode 13 - If Memory Serves
    6.1/10(141 votes)
    S3:E13

    Fearing that his memory might be limited, Dexter uses a device to save all his memories.

    Be the first to start the conversation for this episode

  10. Dexter's Laboratory Season 3 Episode 5 - A Quackor Cartoon
    6.1/10(136 votes)
    S3:E5

    Quackor returns to battle Monkey in Dexter's Lab.

    Director:Chris Savino
    Writer:Unknown

    Be the first to start the conversation for this episode

  11. Dexter's Laboratory Season 4 Episode 7 - The Scrying Game
    6.1/10(133 votes)
    S4:E7

    Dee Dee learns a new game that can ""predict peoples futures"". She uses it on Dexter, and finds out that the game REALLY DOES predict peoples futures...

    Director:Chris Savino
    Writer:Mike Stern

    Be the first to start the conversation for this episode

  12. Dexter's Laboratory Season 4 Episode 4 - Sis-Tem Error
    6.1/10(131 votes)
    S4:E4

    Dee Dee accidentally breaks down Dexter's lab, and she tries to not and let him know its broken.

    Be the first to start the conversation for this episode

  13. Dexter's Laboratory Season 4 Episode 12 - D²
    6.1/10(129 votes)
    S4:E12

    Dexter and Dee Dee realise when they work together, they make a pretty good team.

    Be the first to start the conversation for this episode

  14. Dexter's Laboratory Season 3 Episode 7 - Copping an Attitude
    6.2/10(136 votes)
    S3:E7

    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 to Huber Elementary School.

    Be the first to start the conversation for this episode

  15. Dexter's Laboratory Season 4 Episode 8 - Monstrosi-Dee Dee
    6.2/10(136 votes)
    S4:E8

    A Monster starts roaming Dexter's lab, although Dexter doesnt know its just Dee Dee, who ate an apple in a failed lab experiment.

    Be the first to start the conversation for this episode

  16. Dexter's Laboratory Season 3 Episode 2 - A Dad Cartoon
    6.3/10(140 votes)
    S3:E2

    Dad decides to give the car a retouch.

    Be the first to start the conversation for this episode

  17. Dexter's Laboratory Season 3 Episode 4 - Mind Over Chatter
    6.3/10(131 votes)
    S3:E4

    Dexter uses a device to listen to what Dad is thinking, but the experiment backfires and everyone else can hear what Dexter is thinking.

    Be the first to start the conversation for this episode

  18. Dexter's Laboratory Season 3 Episode 8 - A Failed Lab Experiment
    6.3/10(130 votes)
    S3:E8

    Dexter creates a device taht doesn't work the way he wanted.

    Director:Chris Savino
    Writer:Unknown

    Be the first to start the conversation for this episode

  19. Dexter's Laboratory Season 4 Episode 11 - Faux Chapeau
    6.3/10(130 votes)
    S4:E11

    Dexter creates a new invention and wears it on his head. It suddenly becomes the latest fashion craze at Huber elementry.

    Be the first to start the conversation for this episode

  20. Dexter's Laboratory Season 3 Episode 10 - Poppa Wheely
    6.3/10(129 votes)
    S3:E10

    It's career day and Dexter is ashamed of his Dad so he creates a Dad that looks more like him.

    Be the first to start the conversation for this episode

  21. Dexter's Laboratory Season 4 Episode 6 - Dexter's Library
    6.3/10(129 votes)
    S4:E6

    When Dexter becomes the head of a library, he inforces the rules really hard, driving everyone crazy.

    Be the first to start the conversation for this episode

  22. Dexter's Laboratory Season 4 Episode 13 - Head Band
    6.4/10(136 votes)
    S4:E13

    Dee Dee has a song stuck in her head. Literally.

    Be the first to start the conversation for this episode

  23. Dexter's Laboratory Season 4 Episode 2 - Remember Me?
    6.4/10(134 votes)
    S4:E2

    Dexter is hit by a wrench while working on a device, and suffers amnesia, Dee Dee decides to mess with his head

    Be the first to start the conversation for this episode

  24. Dexter's Laboratory Season 4 Episode 10 - Dexter's Little Dilemma
    6.4/10(128 votes)
    S4:E10

    Dexter accidentally shrinks his parents, and puts them into a model of there house. Although the house isnt completed, so Dexter must find a way to reverse it before they know the truth.

    Be the first to start the conversation for this episode

  25. Dexter's Laboratory Season 3 Episode 6 - Momdark
    6.5/10(143 votes)
    S3:E6

    Mandark disguises as Mom in order to get into Dexter's Lab.

    Be the first to start the conversation for this episode

  26. Dexter's Laboratory Season 4 Episode 5 - Bad Cable Manners
    6.5/10(131 votes)
    S4:E5

    Dad wants cable really bad, so Dexter illegally pirates cable for him.

    Director:Chris Savino

    Be the first to start the conversation for this episode

Worst Episodes Summary

"Sole Brother" is the worst rated episode of Dexter's Laboratory. It scored 5.8/10 from 141 votes. Directed by Chris Savino, John McIntyre and written by Unknown, it aired on November 16, 2001. This episode scored 0.1 points lower than the second lowest rated, "Overlabbing".

Keep going

Browse Dexter's Laboratory by season

If you like Dexter's Laboratory