Space: 1999 Episode Ratings Heatmap
1975 · 2 Seasons · 48 Episodes · Overall Score: 6.3/10 (48 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 1.04), maintaining an average of 6.6.
Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
| Episode | Season 1 | Season 2 |
|---|---|---|
| Ep 1 | 7.6 | 7.0 |
| Ep 2 | 6.0 | 6.7 |
| Ep 3 | 6.4 | 5.7 |
| Ep 4 | 7.0 | 4.4 |
| Ep 5 | 6.8 | 6.0 |
| Ep 6 | 8.0 | 5.7 |
| Ep 7 | 5.8 | 6.0 |
| Ep 8 | 8.3 | 4.3 |
| Ep 9 | 5.3 | 5.7 |
| Ep 10 | 6.6 | 4.3 |
| Ep 11 | 6.8 | 6.3 |
| Ep 12 | 6.7 | 7.3 |
| Ep 13 | 6.0 | 3.3 |
| Ep 14 | 6.5 | 7.0 |
| Ep 15 | 4.7 | 6.7 |
| Ep 16 | 7.0 | 6.7 |
| Ep 17 | 7.0 | 7.7 |
| Ep 18 | 6.7 | 5.8 |
| Ep 19 | 5.5 | 5.7 |
| Ep 20 | 4.7 | 6.3 |
| Ep 21 | 6.0 | 7.0 |
| Ep 22 | 6.0 | 6.0 |
| Ep 23 | 8.0 | 7.3 |
| Ep 24 | 8.7 | 6.3 |
| Season Avg | 6.6 | 6.1 |
Ratings Analysis & Trajectory
Across 2 seasons and 48 episodes, Space: 1999 has earned an overall series rating of 6.3 out of 10. The series reached its critical peak early, showing a slight contraction in audience satisfaction in later chapters.
The single highest-rated hour of television in the series is Season 1, Episode 24 ("The Last Enemy"), rated at an extraordinary 8.7/10 with 3 ratings. Conversely, the lowest-rated installment is Season 2, Episode 13 ("Catacombs of the Moon"), landing at 3.3/10.
The most precipitous single-episode shift occurred in Season 2 between Episode 12 ("The AB Chrysalis", 7.3) and Episode 13 ("Catacombs of the Moon", 3.3), a swing of 4 points.
Top 10 Highest Rated Episodes of Space: 1999
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 24 | The Last Enemy | 8.7 | 3 | Feb 19, 1976 |
| #2 | Season 1, Ep 8 | Dragon's Domain | 8.3 | 4 | Oct 23, 1975 |
| #3 | Season 1, Ep 6 | Voyager's Return | 8.0 | 4 | Oct 9, 1975 |
| #4 | Season 1, Ep 23 | The Testament of Arkadia | 8.0 | 3 | Feb 12, 1976 |
| #5 | Season 2, Ep 17 | The Lambda Factor | 7.7 | 3 | Dec 23, 1976 |
| #6 | Season 1, Ep 1 | Breakaway | 7.6 | 9 | Sep 4, 1975 |
| #7 | Season 2, Ep 12 | The AB Chrysalis | 7.3 | 3 | Nov 18, 1976 |
| #8 | Season 2, Ep 23 | The Immunity Syndrome | 7.3 | 3 | Oct 29, 1977 |
| #9 | Season 1, Ep 4 | War Games | 7.0 | 4 | Sep 25, 1975 |
| #10 | Season 1, Ep 16 | Another Time, Another Place | 7.0 | 4 | Dec 18, 1975 |