Supernatural Episode Ratings Heatmap
2005 · 5 Seasons · 104 Episodes · Overall Score: 7.8/10 (22 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.43), maintaining an average of 7.8.
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 | 7.2 | – | – | – | – |
| Ep 2 | 7.4 | – | – | – | – |
| Ep 3 | 7.7 | – | – | – | – |
| Ep 4 | 7.6 | – | – | – | – |
| Ep 5 | 7.8 | – | – | – | – |
| Ep 6 | 7.9 | – | – | – | – |
| Ep 7 | 7.3 | – | – | – | – |
| Ep 8 | 6.7 | – | – | – | – |
| Ep 9 | 8.3 | – | – | – | – |
| Ep 10 | 7.7 | – | – | – | – |
| Ep 11 | 8.3 | – | – | – | – |
| Ep 12 | 8.0 | – | – | – | – |
| Ep 13 | 7.2 | – | – | – | – |
| Ep 14 | 7.8 | – | – | – | – |
| Ep 15 | 7.7 | – | – | – | – |
| Ep 16 | 8.0 | – | – | – | – |
| Ep 17 | 7.8 | – | – | – | – |
| Ep 18 | 7.9 | – | – | – | – |
| Ep 19 | 8.2 | – | – | – | – |
| Ep 20 | 7.7 | – | – | – | – |
| Ep 21 | 8.3 | – | – | – | – |
| Ep 22 | 8.5 | – | – | – | – |
| Season Avg | 7.8 | – | – | – | – |
Ratings Analysis & Trajectory
Across 5 seasons and 104 episodes, Supernatural has earned an overall series rating of 7.8 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 22 ("Devil's Trap"), rated at an extraordinary 8.5/10 with 50 ratings. Conversely, the lowest-rated installment is Season 1, Episode 8 ("Bugs"), landing at 6.7/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 12 ("Faith", 8) and Episode 13 ("Route 666", 7.2), a swing of 0.8 points.
Top 10 Highest Rated Episodes of Supernatural
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 22 | Devil's Trap | 8.5 | 50 | May 4, 2006 |
| #2 | Season 1, Ep 11 | Scarecrow | 8.3 | 60 | Jan 10, 2006 |
| #3 | Season 1, Ep 9 | Home | 8.3 | 58 | Nov 15, 2005 |
| #4 | Season 1, Ep 21 | Salvation | 8.3 | 48 | Apr 27, 2006 |
| #5 | Season 1, Ep 19 | Provenance | 8.2 | 48 | Apr 13, 2006 |
| #6 | Season 1, Ep 12 | Faith | 8.0 | 57 | Jan 17, 2006 |
| #7 | Season 1, Ep 16 | Shadow | 8.0 | 52 | Feb 28, 2006 |
| #8 | Season 1, Ep 6 | Skin | 7.9 | 60 | Oct 18, 2005 |
| #9 | Season 1, Ep 18 | Something Wicked | 7.9 | 47 | Apr 6, 2006 |
| #10 | Season 1, Ep 5 | Bloody Mary | 7.8 | 65 | Oct 11, 2005 |