Season-by-season heatmap · hover a cell for details
Episode ratings
Rating:MasterpieceExcellentGoodAveragePoorN/A
S1
S2
S3
E1
7.9
7.0
7.4
E2
7.2
7.0
7.8
E3
7.6
7.3
6.6
E4
7.7
6.5
7.3
E5
8.0
6.2
6.5
E6
7.0
7.6
7.1
E7
7.9
7.2
6.4
E8
7.8
6.4
7.5
E9
6.7
6.2
5.8
E10
7.3
6.1
7.5
E11
7.9
5.9
6.4
E12
6.9
6.7
5.8
E13
6.7
7.3
5.8
E14
7.1
6.8
5.3
E15
8.3
6.9
8.4
E16
8.2
5.6
7.0
E17
7.9
4.8
5.5
E18
6.5
5.7
7.5
E19
6.9
4.6
6.7
E20
8.0
4.8
6.6
E21
7.4
5.8
5.7
E22
7.7
6.6
6.2
E23
6.8
6.2
5.1
E24
7.3
7.0
5.8
E25
6.5
6.6
E26
7.4
7.6
E27
7.0
6.9
E28
7.3
6.9
E29
8.2
6.5
E30
6.9
AVG
7.4
6.5
6.6
EpisodeGraph
Lost in Space
1965 · 3 seasons
★7.3 (9,871)
Top rated episodes
S3·E158.4The Anti-Matter Man
S1·E158.3Return from Outer Space
S1·E168.2The Keeper (1)
Every episode, rated
Masterpiece
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Good
Average
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episodegraph.com Ratings via IMDb
Overview
The space family Robinson is sent on a five-year mission to find a new planet to colonise. The voyage is sabotaged time and again by an inept stowaway, Dr. Zachary Smith. The family's spaceship, Jupiter II, also carries a friendly robot who endures an endless stream of abuse from Dr. Smith, but is a trusted companion of young Will Robinson
NetworkCBS
Runtime~60 min
Seasons3
Lost in Space holds an IMDb rating of 7.3 from 10K votes. Across its 83 rated episodes, the highest-rated is S3E15 "The Anti-Matter Man" at 8.4, and the lowest is S2E19 "Mutiny in Space" at 4.6. Season 1 is the strongest, averaging 7.4 per episode. Explore the full episode ratings graph below, season by season.
Peak8.4
S3E15The Anti-Matter Man
Low point4.6
S2E19Mutiny in Space
Averages 6.8 across 83 rated episodes — strongest run is Season 1 at 7.4.
Average by season
Season 17.429 eps
Season 26.530 eps
Season 36.624 eps
Top-rated episodes
1S3E15The Anti-Matter Man8.4
2S1E15Return from Outer Space8.3
3S1E16The Keeper (1)8.2
4S1E29Follow the Leader8.2
5S1E5The Hungry Sea8.0
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