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Star Trek: Discovery poster
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Star Trek: Discovery

Episode Ratings

IMDb ratings graph for every episode of Star Trek: Discovery across all 5 seasons.

2017–2024 · 5 seasons · CBS All Access · Sci-Fi & Fantasy · Action & Adventure · Drama
IMDb
6.9
148k ratings
TMDB
6.9
2k ratings
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Episode Ratings

Season-by-season heatmap · hover a cell for details

Episode ratings

Rating:MasterpieceExcellentGoodAveragePoorN/A
S1
S2
S3
S4
S5
E1
7.2
7.4
7.3
5.9
6.3
E2
7.5
7.8
7.2
5.5
6.4
E3
7.7
6.6
7.2
5.6
5.8
E4
7.2
7.3
6.4
5.3
7.0
E5
7.3
6.6
7.3
6.1
6.4
E6
7.3
7.7
6.6
5.5
5.7
E7
7.5
7.2
6.5
5.9
6.3
E8
6.8
8.2
5.8
5.7
6.3
E9
7.9
7.9
6.4
5.9
6.4
E10
7.8
7.2
6.4
6.0
6.1
E11
7.8
7.2
6.2
5.6
E12
8.1
7.6
6.8
6.7
E13
8.1
7.3
6.5
5.9
E14
7.4
8.2
E15
7.1
AVG
7.5
7.4
6.7
5.8
6.3

Overview

Follow the voyages of Starfleet on their missions to discover new worlds and new life forms, and one Starfleet officer who must learn that to truly understand all things alien, you must first understand yourself.

NetworkCBS All Access
Seasons5

Star Trek: Discovery holds an IMDb rating of 6.9 from 148K votes. Across its 65 rated episodes, the highest-rated is S2E8 "If Memory Serves" at 8.2, and the lowest is S4E4 "All Is Possible" at 5.3. Season 1 is the strongest, averaging 7.5 per episode. Explore the full episode ratings graph below, season by season.

Peak8.2
S2E8If Memory Serves
Low point5.3
S4E4All Is Possible

Averages 6.8 across 65 rated episodes — strongest run is Season 1 at 7.5.

Average by season

Season 17.515 eps
Season 27.414 eps
Season 36.713 eps
Season 45.813 eps
Season 56.310 eps

Top-rated episodes

1S2E8If Memory Serves8.2
2S2E14Such Sweet Sorrow (2)8.2
3S1E12Vaulting Ambition8.1
4S1E13What's Past is Prologue8.1
5S1E9Into the Forest I Go7.9

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Frequently asked questions

How many episodes does Star Trek: Discovery have?

Star Trek: Discovery has 65 episodes across 5 seasons.

How many seasons does Star Trek: Discovery have?

Star Trek: Discovery has 5 seasons.

What is Star Trek: Discovery's IMDb rating?

Star Trek: Discovery holds an IMDb rating of 6.9 from 148K votes.

What is the highest-rated episode of Star Trek: Discovery?

The highest-rated episode of Star Trek: Discovery is S2E8 “If Memory Serves”, rated 8.2 on IMDb.

What is the lowest-rated episode of Star Trek: Discovery?

The lowest-rated episode of Star Trek: Discovery is S4E4 “All Is Possible”, rated 5.3 on IMDb.

Which season of Star Trek: Discovery is the best?

Season 1 is the highest-rated, averaging 7.5 per episode.