Smallville Episode Ratings Heatmap
2001 · 5 Seasons · 110 Episodes · Overall Score: 7.9/10 (21 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.37), maintaining an average of 7.9.
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 | 7.9 | – | – | – | – |
| Ep 2 | 7.4 | – | – | – | – |
| Ep 3 | 7.5 | – | – | – | – |
| Ep 4 | 7.6 | – | – | – | – |
| Ep 5 | 7.8 | – | – | – | – |
| Ep 6 | 8.0 | – | – | – | – |
| Ep 7 | 7.8 | – | – | – | – |
| Ep 8 | 8.0 | – | – | – | – |
| Ep 9 | 7.8 | – | – | – | – |
| Ep 10 | 7.4 | – | – | – | – |
| Ep 11 | 8.2 | – | – | – | – |
| Ep 12 | 8.4 | – | – | – | – |
| Ep 13 | 7.6 | – | – | – | – |
| Ep 14 | 7.7 | – | – | – | – |
| Ep 15 | 8.2 | – | – | – | – |
| Ep 16 | 8.6 | – | – | – | – |
| Ep 17 | 7.4 | – | – | – | – |
| Ep 18 | 7.4 | – | – | – | – |
| Ep 19 | 7.8 | – | – | – | – |
| Ep 20 | 8.0 | – | – | – | – |
| Ep 21 | 8.5 | – | – | – | – |
| Ep 22 | – | – | – | – | – |
| Ep 23 | – | – | – | – | – |
| Season Avg | 7.9 | – | – | – | – |
Ratings Analysis & Trajectory
Across 5 seasons and 110 episodes, Smallville has earned an overall series rating of 7.9 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 16 ("Stray"), rated at an extraordinary 8.6/10 with 19 ratings. Conversely, the lowest-rated installment is Season 1, Episode 18 ("Drone"), landing at 7.4/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 16 ("Stray", 8.6) and Episode 17 ("Reaper", 7.4), a swing of 1.2 points.
Top 10 Highest Rated Episodes of Smallville
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 16 | Stray | 8.6 | 19 | Apr 16, 2002 |
| #2 | Season 1, Ep 21 | Tempest | 8.5 | 20 | May 21, 2002 |
| #3 | Season 1, Ep 12 | Leech | 8.4 | 18 | Feb 12, 2002 |
| #4 | Season 1, Ep 11 | Hug | 8.2 | 19 | Feb 5, 2002 |
| #5 | Season 1, Ep 15 | Nicodemus | 8.2 | 19 | Mar 19, 2002 |
| #6 | Season 1, Ep 6 | Hourglass | 8.0 | 21 | Nov 20, 2001 |
| #7 | Season 1, Ep 8 | Jitters | 8.0 | 19 | Dec 11, 2001 |
| #8 | Season 1, Ep 20 | Obscura | 8.0 | 18 | May 14, 2002 |
| #9 | Season 1, Ep 1 | Pilot | 7.9 | 52 | Oct 16, 2001 |
| #10 | Season 1, Ep 5 | Cool | 7.8 | 21 | Nov 13, 2001 |