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The Best Episodes of Dexter's Laboratory Season 3

Every episode of Dexter's Laboratory Season 3 ranked from best to worst. Discover the Best Episodes of Dexter's Laboratory Season 3!

Binge this in 3h 17m•Peaking at 7.0/10

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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Episode Rankings

  1. #1 Fan Favorite
    Dexter's Laboratory Season 3 Episode 14 - A Mandark Cartoon
    7.0/10(1 votes)

    S3:E14

    Mandark plans another scheme to get rid of Dexter.

    Director:Chris Savino
    Writer:Unknown

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  2. Dexter's Laboratory Season 3 Episode 15 - Tele Trauma
    7.0/10(1 votes)

    S3:E15

    Tired of missing his favorite TV shows because of studying, Dexter creates a special helmet that absorbs all the TV info.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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  3. Dexter's Laboratory Season 3 Episode 16 - A Boy Named Sue
    7.0/10(1 votes)

    S3:E16

    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...

    Directors:Chris Savino, John McIntyre
    Writer:Unknown

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  4. Dexter's Laboratory Season 3 Episode 17 - Lab on the Run
    7.0/10(1 votes)

    S3:E17

    Two robots escape from Dexter's lab in order to have a better life.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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  5. Dexter's Laboratory Season 3 Episode 18 - Dos Boot
    7.0/10(1 votes)

    S3:E18

    Mandark gets in Dexters computer raving havok, so Dexter must stop him.

    Director:Chris Savino
    Writer:Unknown

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  6. Dexter's Laboratory Season 3 Episode 19 - A Dee Dee Cartoon
    7.0/10(1 votes)

    S3:E19

    After being kicked out of Dexter's Lab (AGAIN) She goes and plays in her ""lab"".

    Directors:Robert Alvarez, Chris Savino
    Writer:Unknown

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  7. Dexter's Laboratory Season 3 Episode 20 - Would You Like That In The Can
    7.0/10(1 votes)

    S3:E20

    A girl accidentally takes Dexter's lunchbox, so Dexter and his friend must go into the girls bathroom to get it.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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  8. Dexter's Laboratory Season 3 Episode 21 - That Magic Moment
    7.0/10(1 votes)

    S3:E21

    Dexter's Magic Uncle Ferger 'O Reiley pays a visit.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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  9. Dexter's Laboratory Season 3 Episode 22 - A Silent Cartoon
    7.0/10(1 votes)

    S3:E22

    Dexter is trying to build his lab blue, but Dee Dee keeps making it pink.

    Director:Chris Savino
    Writer:Unknown

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  10. Dexter's Laboratory Season 3 Episode 23 - Opposites Attract
    7.0/10(1 votes)

    S3:E23

    Dexter creates a magnetic field to keep Dee Dee away from him.

    Director:Chris Savino
    Writer:Unknown

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  11. Dexter's Laboratory Season 3 Episode 24 - Comic Relief
    7.0/10(1 votes)

    S3:E24

    Dexter creates a special device that lets him create his own life-like superhero comic... along with his sister villian ""Deestructa"".

    Director:Chris Savino
    Writer:Unknown

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  12. Dexter's Laboratory Season 3 Episode 25 - A Third Dad Cartoon
    7.0/10(1 votes)

    S3:E25

    Dad goes with the kids to play some golf.

    Director:Chris Savino
    Writer:Unknown

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  13. Dexter's Laboratory Season 3 Episode 26 - RoboDexo 3000
    7.0/10(1 votes)

    S3:E26

    Dexter creates the ultimate robot (RoboDexo 3000) to replace his previous 200 model.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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  14. Dexter's Laboratory Season 3 Episode 27 - Glove at First Sight
    7.0/10(1 votes)

    S3:E27

    Mom and Dad recall the moments that got them together.

    Directors:Robert Alvarez, Chris Savino
    Writer:Unknown

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  15. Dexter's Laboratory Season 3 Episode 28 - A Mom & Dad Cartoon
    7.0/10(1 votes)

    S3:E28

    Mom and Dad are having a discussion while playing scrabble, a discussion that Dexter and Dee Dee don't interpretate the right way.

    Director:Chris Savino
    Writer:Unknown

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  16. Dexter's Laboratory Season 3 Episode 29 - Smells Like Victory
    7.0/10(1 votes)

    S3:E29

    The U.S. army invades Dexter's lab and Dexter fights them, each side thinking the other is a troop of aliens.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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  17. Dexter's Laboratory Season 3 Episode 30 - Oh, Brother
    7.0/10(1 votes)

    S3:E30

    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.

    Director:Chris Savino
    Writer:Unknown

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  18. Dexter's Laboratory Season 3 Episode 31 - Another Dad Cartoon
    7.0/10(1 votes)

    S3:E31

    While Mom, Dexter and Dee Dee are out shopping, Dad decides to spend the afternoon dancing... like Tom Cruise in Risky Business.

    Director:Chris Savino
    Writer:Unknown

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  19. Dexter's Laboratory Season 3 Episode 32 - Bar Exam
    7.0/10(1 votes)

    S3:E32

    Dexter must pass a physical bar exam if he wants to pass P.E.

    Directors:Chris Savino, John McIntyre
    Writer:Unknown

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  20. Dexter's Laboratory Season 3 Episode 33 - Jeepers, Creepers, Where is Peepers?
    7.0/10(1 votes)

    S3:E33

    Dexter and Koosy must save Peepers, otherwise the whole land of Koz will disappear.

    Director:David P. Smith
    Writer:Unknown

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  21. Dexter's Laboratory Season 3 Episode 34 - Go, Dexter Family, Go!
    7.0/10(1 votes)

    S3:E34

    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.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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  22. Dexter's Laboratory Season 3 Episode 35 - Scare Tactics
    7.0/10(1 votes)

    S3:E35

    Dexter and Dad watch a late night horror movie and spend a scary night in their house.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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  23. Dexter's Laboratory Season 3 Episode 36 - My Dad vs. Your Dad
    7.0/10(1 votes)

    S3:E36

    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 engage in a heated fight.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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  24. 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.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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  25. 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.

    Directors:John McIntyre, Chris Savino
    Writer:Unknown

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Season 3 Ratings Summary

"A Mandark Cartoon" is the best rated episode of "Dexter's Laboratory" season 3. It scored 7/10 based on 1 votes. Directed by Chris Savino and written by Unknown, it aired on 2/22/2002. This episode is rated 0.0 points higher than the second-best, "Tele Trauma".