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EpisodesRatings

Episode ratings data provided by configured data source. This site is not affiliated with IMDb. This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.

Dexter's Laboratory | EpisodesRatings

Dexter's Laboratory poster

AnimationComedySci-Fi & Fantasy

Dexter's Laboratory

1996-20037.8 IMDbEpisode avg 7.14 seasons · 80 rated episodes

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.

Episode ratings data provided by configured data source. This site is not affiliated with IMDb. This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.

Last updated 6/6/2026

Episode Rating Grid

Rows are episode numbers, columns are seasons. Every rated cell shows its numeric score.

9.0+

8.0-8.9

7.0-7.9

6.0-6.9

5.0-5.9

Below 5.0

Unrated/missing

Ep

S1

S2

S3

S4

Avg

7.4

7.3

6.2

6.2

E1

7.5 7.8 6.1 6.6

E2

7.7 6.9 6.3 6.4

E3

7.9 7.5 5.9 5.9

E4

7.3 7.3 6.3 6.1

E5

6.9 7.0 6.1 6.4

E6

7.4 7.1 6.5 6.3

E7

7.5 7.3 6.2 6.0

E8

7.3 7.5 6.3 6.1

E9

7.9 7.8 6.0 6.0

E10

7.4 7.1 6.3 6.4

E11

7.3 7.0 5.9 6.3

E12

7.5 7.4 6.0 6.1

E13

7.2 7.3 6.1 6.5

E14

-

-

-

E15

-

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-

E16

-

-

-

E17

-

-

-

E18

-

-

-

E19

-

-

-

E20

-

-

-

E21

-

-

-

E22

-

-

-

E23

-

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-

E24

-

-

-

E25

-

-

-

E26

-

-

-

E27

-

-

-

E28

-

-

-

E29

-

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-

E30

-

-

-

E31

-

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-

E32

-

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-

E33

-

-

-

E34

-

-

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E35

-

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E36

-

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-

E37

-

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-

E38

-

-

-

E39

-

-

-

E40

-

-

-

E41

-

-

-

-

Show Statistics

Weighted episode-level summaries calculated from the configured ratings source.

OpenClose

Best episode

S2E39 Last But Not Beast (8.2)

Consistency score

88/100

Std dev 0.60

Rated episodes

80

13,794 total votes

Episode ratings timeline

Each point is a rated episode. Hover or focus a point for episode details.

Top 3 episodes: S2E39 Last But Not Beast8.2 S2E0 Rude Removal8.1 S1E3 Dexter's Rival/Dial M for Monkey: Simion/Old Man Dexter7.9

Streaming options

Availability may vary by region. Showing US provider data.

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Apple TV Storebuy

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Worst episode

S3E11 Oh, Brother/Another Dad Cartoon/Bar Exam (5.9)

Highest-rated season

Season 1 (7.4)

Lowest-rated season

Season 4 (6.2)

Average episode rating

7.1