Season-by-season heatmap · hover a cell for details
Episode ratings
Rating:MasterpieceExcellentGoodAveragePoorN/A
S1
S2
S3
E1
7.2
8.6
5.7
E2
7.0
7.1
8.4
E3
7.7
7.6
6.7
E4
7.8
9.0
5.2
E5
7.6
6.4
6.9
E6
6.7
8.7
7.2
E7
7.5
6.2
7.7
E8
6.9
7.3
7.1
E9
7.4
7.2
8.0
E10
8.0
8.5
6.5
E11
8.2
6.7
7.3
E12
8.1
7.3
6.5
E13
7.1
7.2
7.0
E14
8.8
7.2
6.9
E15
7.3
8.7
7.2
E16
7.6
7.0
6.5
E17
7.2
7.7
6.5
E18
7.9
7.5
6.2
E19
7.9
6.7
7.2
E20
7.4
7.4
5.4
E21
7.1
7.5
7.1
E22
8.7
7.5
6.6
E23
8.0
6.1
8.1
E24
7.8
8.0
6.8
E25
8.3
7.1
E26
8.1
7.6
E27
5.7
E28
9.2
E29
7.5
AVG
7.6
7.5
6.9
EpisodeGraph
Star Trek
1966 · 3 seasons
★8.4 (102,563)
Top rated episodes
S1·E289.2The City on the Edge of Forever
S2·E49.0Mirror, Mirror
S1·E148.8Balance of Terror
Every episode, rated
Masterpiece
Excellent
Good
Average
Poor
7.2
7.0
7.7
7.8
7.6
6.7
7.5
6.9
7.4
8.0
8.2
8.1
7.1
8.8
7.3
7.6
7.2
7.9
7.9
7.4
7.1
8.7
8.0
7.8
8.3
8.1
5.7
9.2
7.5
7.6
8.6
7.1
7.6
9.0
6.4
8.7
6.2
7.3
7.2
8.5
6.7
7.3
7.2
7.2
8.7
7.0
7.7
7.5
6.7
7.4
7.5
7.5
6.1
8.0
7.1
7.6
7.5
5.7
8.4
6.7
5.2
6.9
7.2
7.7
7.1
8.0
6.5
7.3
6.5
7.0
6.9
7.2
6.5
6.5
6.2
7.2
5.4
7.1
6.6
8.1
6.8
6.9
episodegraph.com Ratings via IMDb
Overview
Space. The Final Frontier. The U.S.S. Enterprise embarks on a five year mission to explore the galaxy. The Enterprise is under the command of Captain James T. Kirk with First Officer Mr. Spock, from the planet Vulcan. With a determined crew, the Enterprise encounters Klingons, Romulans, time paradoxes, tribbles and genetic supermen led by Khan Noonian Singh. Their mission is to explore strange new worlds, to seek new life and new civilizations, and to boldly go where no man has gone before.
NetworkNBC
Runtime~50 min
Seasons3
Star Trek holds an IMDb rating of 8.4 from 103K votes. Across its 79 rated episodes, the highest-rated is S1E28 "The City on the Edge of Forever" at 9.2, and the lowest is S3E4 "And the Children Shall Lead" at 5.2. Season 1 is the strongest, averaging 7.6 per episode. Explore the full episode ratings graph below, season by season.
Peak9.2
S1E28The City on the Edge of Forever
Low point5.2
S3E4And the Children Shall Lead
Averages 7.3 across 79 rated episodes — strongest run is Season 1 at 7.6.
Average by season
Season 17.629 eps
Season 27.526 eps
Season 36.924 eps
Top-rated episodes
1S1E28The City on the Edge of Forever9.2
2S2E4Mirror, Mirror9.0
3S1E14Balance of Terror8.8
4S1E22Space Seed8.7
5S2E6The Doomsday Machine8.7
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