Sherlock Holmes Episode Ratings Heatmap
1984 · 7 Seasons · 41 Episodes · Overall Score: 7.8/10 (41 rated)
Season 2 holds the highest collective average score across the series.
Season 2 Details →Lowest score variance (σ = 0.3), maintaining an average of 8.2.
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 | Season 3 | Season 4 | Season 5 | Season 6 | Season 7 |
|---|---|---|---|---|---|---|---|
| Ep 1 | 8.0 | 7.7 | 8.1 | 6.5 | 7.2 | 7.8 | 6.7 |
| Ep 2 | 8.2 | 7.4 | 7.5 | 7.8 | 8.1 | 6.0 | 8.2 |
| Ep 3 | 8.1 | 8.8 | 8.4 | 8.2 | 8.3 | 7.5 | 7.4 |
| Ep 4 | 8.4 | 8.5 | 8.1 | 6.6 | 8.1 | – | 7.4 |
| Ep 5 | 7.9 | 8.9 | 7.4 | 8.4 | 8.3 | – | 6.6 |
| Ep 6 | 8.8 | 9.0 | 7.1 | 9.0 | 7.1 | – | 7.7 |
| Ep 7 | 8.3 | – | 8.1 | – | – | – | – |
| Season Avg | 8.2 | 8.4 | 7.8 | 7.8 | 7.9 | 7.1 | 7.3 |
Ratings Analysis & Trajectory
Across 7 seasons and 41 episodes, Sherlock Holmes has earned an overall series rating of 7.8 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 2, Episode 6 ("The Final Problem"), rated at an extraordinary 9.0/10 with 9 ratings. Conversely, the lowest-rated installment is Season 6, Episode 2 ("The Last Vampyre"), landing at 6.0/10.
The most precipitous single-episode shift occurred in Season 6 between Episode 1 ("The Master Blackmailer", 7.8) and Episode 2 ("The Last Vampyre", 6), a swing of 1.8 points.
Top 10 Highest Rated Episodes of Sherlock Holmes
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 2, Ep 6 | The Final Problem | 9.0 | 9 | Sep 29, 1985 |
| #2 | Season 4, Ep 6 | The Hound of the Baskervilles | 9.0 | 6 | Aug 31, 1988 |
| #3 | Season 2, Ep 5 | The Red-Headed League | 8.9 | 14 | Sep 22, 1985 |
| #4 | Season 1, Ep 6 | The Speckled Band | 8.8 | 16 | May 29, 1984 |
| #5 | Season 2, Ep 3 | The Norwood Builder | 8.8 | 16 | Sep 8, 1985 |
| #6 | Season 2, Ep 4 | The Resident Patient | 8.5 | 13 | Sep 15, 1985 |
| #7 | Season 1, Ep 4 | The Solitary Cyclist | 8.4 | 17 | May 15, 1984 |
| #8 | Season 3, Ep 3 | The Second Stain | 8.4 | 11 | Jul 23, 1986 |
| #9 | Season 4, Ep 5 | The Bruce Partington Plans | 8.4 | 10 | Apr 27, 1988 |
| #10 | Season 1, Ep 7 | The Blue Carbuncle | 8.3 | 18 | Jun 5, 1984 |