Secrecy of the Investigation Episode Ratings Heatmap
2000 · 5 Seasons · 64 Episodes · Overall Score: 9.4/10 (16 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.17), maintaining an average of 9.4.
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 |
|---|---|---|---|---|---|
| Ep 1 | 9.5 | – | – | – | – |
| Ep 2 | 9.5 | – | – | – | – |
| Ep 3 | 9.0 | – | – | – | – |
| Ep 4 | 9.5 | – | – | – | – |
| Ep 5 | 9.5 | – | – | – | – |
| Ep 6 | 9.5 | – | – | – | – |
| Ep 7 | 9.5 | – | – | – | – |
| Ep 8 | 9.0 | – | – | – | – |
| Ep 9 | 9.5 | – | – | – | – |
| Ep 10 | 9.5 | – | – | – | – |
| Ep 11 | 9.5 | – | – | – | – |
| Ep 12 | 9.5 | – | – | – | – |
| Ep 13 | 9.5 | – | – | – | – |
| Ep 14 | 9.5 | – | – | – | – |
| Ep 15 | 9.5 | – | – | – | – |
| Ep 16 | 9.5 | – | – | – | – |
| Season Avg | 9.4 | – | – | – | – |
Ratings Analysis & Trajectory
Across 5 seasons and 64 episodes, Secrecy of the Investigation has earned an overall series rating of 9.4 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 1, Episode 1 ("Episode 1"), rated at an extraordinary 9.5/10 with 2 ratings. Conversely, the lowest-rated installment is Season 1, Episode 3 ("Episode 3"), landing at 9.0/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 2 ("Episode 2", 9.5) and Episode 3 ("Episode 3", 9), a swing of 0.5 points.
Top 10 Highest Rated Episodes of Secrecy of the Investigation
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 1 | Episode 1 | 9.5 | 2 | Sep 1, 2000 |
| #2 | Season 1, Ep 2 | Episode 2 | 9.5 | 2 | Sep 1, 2000 |
| #3 | Season 1, Ep 4 | Episode 4 | 9.5 | 2 | Sep 1, 2000 |
| #4 | Season 1, Ep 5 | Episode 5 | 9.5 | 2 | Nov 5, 2001 |
| #5 | Season 1, Ep 6 | Episode 6 | 9.5 | 2 | Nov 5, 2001 |
| #6 | Season 1, Ep 7 | Episode 7 | 9.5 | 2 | Nov 5, 2001 |
| #7 | Season 1, Ep 9 | Episode 9 | 9.5 | 2 | Nov 8, 2001 |
| #8 | Season 1, Ep 10 | Episode 10 | 9.5 | 2 | Nov 8, 2001 |
| #9 | Season 1, Ep 11 | Episode 11 | 9.5 | 2 | Nov 10, 2001 |
| #10 | Season 1, Ep 12 | Episode 12 | 9.5 | 2 | Nov 10, 2001 |