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The Best Episodes of Dexter's Laboratory Season 4

Every episode of Dexter's Laboratory Season 4 ranked from best to worst. Discover the Best Episodes of Dexter's Laboratory Season 4!

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Dexter, a boy-genius with a secret laboratory, constantly battles his sister Dee Dee, who always gains access despite his best efforts to keep her out, as well as his arch-rival and neighbor, Mandark.

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Seasons4

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Episode Rankings

  1. #1 Fan Favorite
    Dexter's Laboratory Season 4 Episode 1 - Beau Tie
    6.6/10(163 votes)

    #1 - Beau Tie

    S4:E1

    Dee-Dee has a new boyfriend who also likes science and Einstein, and soon the boy finds himself caught in a vicious tug of war...

    Directors:Chris Savino, Don Judge
    Writer:Walt Dohrn

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  2. Dexter's Laboratory Season 4 Episode 2 - Remember Me?
    6.3/10(132 votes)

    #2 - Remember Me?

    S4:E2

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

    Director:Chris Savino
    Writer:Kevin Kaliher

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  3. Dexter's Laboratory Season 4 Episode 3 - Overlabbing
    5.8/10(133 votes)

    #3 - Overlabbing

    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.

    Directors:Chris Savino, Don Judge
    Writer:Clay Morrow

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  4. Dexter's Laboratory Season 4 Episode 4 - Sis-Tem Error
    6.1/10(129 votes)

    #4 - Sis-Tem Error

    S4:E4

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

    Directors:Chris Savino, Don Judge
    Writer:Mark O'Hare

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  5. Dexter's Laboratory Season 4 Episode 5 - Bad Cable Manners
    6.4/10(128 votes)

    #5 - Bad Cable Manners

    S4:E5

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

    Director:Chris Savino
    Writer:Clay Morrow

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  6. Dexter's Laboratory Season 4 Episode 6 - Dexter's Library
    6.3/10(127 votes)

    #6 - Dexter's Library

    S4:E6

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

    Directors:Chris Savino, Don Judge
    Writer:Mark O'Hare

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  7. Dexter's Laboratory Season 4 Episode 7 - The Scrying Game
    6.0/10(130 votes)

    #7 - The Scrying Game

    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

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  8. Dexter's Laboratory Season 4 Episode 8 - Monstrosi-Dee Dee
    6.1/10(133 votes)

    #8 - Monstrosi-Dee Dee

    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.

    Directors:Chris Savino, Don Judge
    Writer:Gabe Swarr

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  9. Dexter's Laboratory Season 4 Episode 9 - Dad Man Walking
    5.9/10(131 votes)

    #9 - Dad Man Walking

    S4:E9

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

    Directors:Chris Savino, Don Judge
    Writer:Carlos Ramos

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  10. Dexter's Laboratory Season 4 Episode 10 - Dexter's Little Dilemma
    6.4/10(126 votes)

    #10 - Dexter's Little Dilemma

    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.

    Directors:Chris Savino, Don Judge
    Writer:Clay Morrow

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  11. Dexter's Laboratory Season 4 Episode 11 - Faux Chapeau
    6.2/10(127 votes)

    #11 - Faux Chapeau

    S4:E11

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

    Directors:Chris Savino, Don Judge
    Writer:Chris Reccardi

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  12. Dexter's Laboratory Season 4 Episode 12 - D²
    6.1/10(127 votes)

    #12 - D²

    S4:E12

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

    Directors:Chris Savino, James T. Walker
    Writer:Mark O'Hare

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  13. Dexter's Laboratory Season 4 Episode 13 - Head Band
    6.4/10(134 votes)

    #13 - Head Band

    S4:E13

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

    Directors:Chris Savino, Don Judge
    Writer:Kevin Kaliher

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  14. Dexter's Laboratory Season 4 Episode 14 - Stuffed Animal House
    7.0/10(1 votes)

    #14 - Stuffed Animal House

    S4:E14

    Dee Dee's stuffed animals come to life and roam the house. Dee Dee and Dexter must get them before Mom and Dad find out.

    Director:Chris Savino
    Writer:Gabe Swarr

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  15. Dexter's Laboratory Season 4 Episode 15 - Used Ink
    7.0/10(1 votes)

    #15 - Used Ink

    S4:E15

    Dexter creates an ink in which lets him command them to do whatever he wants them to do. Although when Mandark gets a hold of it, Dexter is the one being the slave.

    Directors:Chris Savino, Don Judge
    Writer:Carlos Ramos

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  16. Dexter's Laboratory Season 4 Episode 16 - School Girl Crushed
    7.0/10(1 votes)

    #16 - School Girl Crushed

    S4:E16

    Decxter and Mandark are both outperformed by a new girl attending the school, jealous, they become allies to deal with her.

    Directors:Chris Savino, Don Judge
    Writer:Charlie Bean

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  17. Dexter's Laboratory Season 4 Episode 17 - Chess Mom
    7.0/10(1 votes)

    #17 - Chess Mom

    S4:E17

    Mom thinks she should spend quality time and watch Dexter in his chess comatition. Although, she really embarasses Dexter while hes there...

    Directors:Chris Savino, Don Judge
    Writer:Charlie Bean

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  18. Dexter's Laboratory Season 4 Episode 18 - Father Knows Least
    7.0/10(1 votes)

    #18 - Father Knows Least

    S4:E18

    Dad gets fired from his job, and has to do the same job Mom does. He realises it isnt as easy as it looks.

    Directors:Chris Savino, Don Judge
    Writer:Carlos Ramos

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  19. Dexter's Laboratory Season 4 Episode 19 - Dexter the Barbarian
    7.0/10(1 votes)

    #19 - Dexter the Barbarian

    S4:E19

    Dexter goes on a quest. His quest is to reach the bathroom before he explodes.

    Director:Chris Savino
    Writer:Chris Savino

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  20. Dexter's Laboratory Season 4 Episode 20 - Tuber Time
    7.0/10(1 votes)

    #20 - Tuber Time

    S4:E20

    When Dexter realises the power of the potato, he redesigns his lab to work on it.

    Directors:Chris Savino, Don Judge
    Writer:Mark O'Hare

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  21. Dexter's Laboratory Season 4 Episode 21 - Sore Eyes
    7.0/10(1 votes)

    #21 - Sore Eyes

    S4:E21

    Dexter is tired of wearing glasses, so he uses laser surgery on his eyes to make him have 1/20 vision. Although, he learns than no human should be able to see THIS well...

    Directors:Chris Savino, Don Judge
    Writer:Bill Wray

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  22. Dexter's Laboratory Season 4 Episode 22 - Babe Sitter
    7.0/10(1 votes)

    #22 - Babe Sitter

    S4:E22

    Dee Dee goes over to Mandark's house to baby sit him, and Mandark likes that idea.

    Directors:Robert Alvarez, Chris Savino
    Writer:Mark O'Hare

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  23. Dexter's Laboratory Season 4 Episode 23 - Mountain Mandark
    7.0/10(1 votes)

    #23 - Mountain Mandark

    S4:E23

    Mandark drops technology and starts being more in touch with nature.

    Directors:Chris Savino, Don Judge
    Writer:Kevin Kaliher

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  24. Dexter's Laboratory Season 4 Episode 24 - 2Geniuses 2Gether 4Ever
    7.0/10(1 votes)

    #24 - 2Geniuses 2Gether 4Ever

    S4:E24

    Dexter decides its better if him and Mandark work together, although in the end Dexter does all the work while Mandark does nothing

    Directors:Chris Savino, Don Judge
    Writer:Clay Morrow

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  25. Dexter's Laboratory Season 4 Episode 25 - Height Unseen
    7.0/10(1 votes)

    #25 - Height Unseen

    S4:E25

    Dexter is tired of being short, since his old plan of growing himself didnt work, he decides to make everyone shorter than him.

    Directors:Chris Savino, Don Judge
    Writer:Kevin Kaliher

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Season 4 Ratings Summary

"Beau Tie" is the best rated episode of "Dexter's Laboratory" season 4. It scored 6.6/10 based on 163 votes. Directed by Chris Savino, Don Judge and written by Walt Dohrn, it aired on 11/22/2002. This episode is rated 0.3 points higher than the second-best, "Remember Me?".