Sherlock Episode Ratings Heatmap
2010 · 4 Seasons · 12 Episodes · Overall Score: 8.0/10 (12 rated)
Season 2 holds the highest collective average score across the series.
Season 2 Details →Lowest score variance (σ = 0.2), maintaining an average of 8.0.
Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
Ratings Analysis & Trajectory
Across 4 seasons and 12 episodes, Sherlock has earned an overall series rating of 8.0 out of 10. The series displays remarkable consistency across its narrative arc, maintaining reliable ratings from premiere to conclusion.
The single highest-rated hour of television in the series is Season 2, Episode 3 ("The Reichenbach Fall"), rated at an extraordinary 8.7/10 with 247 ratings. Conversely, the lowest-rated installment is Season 4, Episode 1 ("The Six Thatchers"), landing at 7.0/10.
The most precipitous single-episode shift occurred in Season 4 between Episode 2 ("The Lying Detective", 8.4) and Episode 3 ("The Final Problem", 7.5), a swing of 0.9 points.
Top 10 Highest Rated Episodes of Sherlock
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 2, Ep 3 | The Reichenbach Fall | 8.7 | 247 | Jan 15, 2012 |
| #2 | Season 2, Ep 1 | A Scandal in Belgravia | 8.5 | 274 | Jan 1, 2012 |
| #3 | Season 4, Ep 2 | The Lying Detective | 8.4 | 192 | Jan 8, 2017 |
| #4 | Season 1, Ep 3 | The Great Game | 8.3 | 251 | Aug 8, 2010 |
| #5 | Season 1, Ep 1 | A Study in Pink | 8.2 | 296 | Jul 25, 2010 |
| #6 | Season 3, Ep 3 | His Last Vow | 8.2 | 217 | Jan 12, 2014 |
| #7 | Season 3, Ep 2 | The Sign of Three | 8.0 | 233 | Jan 5, 2014 |
| #8 | Season 2, Ep 2 | The Hounds of Baskerville | 7.8 | 236 | Jan 8, 2012 |
| #9 | Season 3, Ep 1 | The Empty Hearse | 7.8 | 232 | Jan 1, 2014 |
| #10 | Season 4, Ep 3 | The Final Problem | 7.5 | 159 | Jan 15, 2017 |