Supergirl Episode Ratings Heatmap
2015 · 5 Seasons · 106 Episodes · Overall Score: 6.9/10 (20 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.28), maintaining an average of 6.9.
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 | 6.4 | – | – | – | – |
| Ep 2 | 6.3 | – | – | – | – |
| Ep 3 | 6.7 | – | – | – | – |
| Ep 4 | 7.0 | – | – | – | – |
| Ep 5 | 6.9 | – | – | – | – |
| Ep 6 | 6.7 | – | – | – | – |
| Ep 7 | 7.2 | – | – | – | – |
| Ep 8 | 6.6 | – | – | – | – |
| Ep 9 | 6.9 | – | – | – | – |
| Ep 10 | 6.9 | – | – | – | – |
| Ep 11 | 7.0 | – | – | – | – |
| Ep 12 | 7.1 | – | – | – | – |
| Ep 13 | 7.3 | – | – | – | – |
| Ep 14 | 7.0 | – | – | – | – |
| Ep 15 | 7.0 | – | – | – | – |
| Ep 16 | 7.3 | – | – | – | – |
| Ep 17 | 7.1 | – | – | – | – |
| Ep 18 | 7.2 | – | – | – | – |
| Ep 19 | 6.7 | – | – | – | – |
| Ep 20 | 6.9 | – | – | – | – |
| Ep 21 | – | – | – | – | – |
| Ep 22 | – | – | – | – | – |
| Ep 23 | – | – | – | – | – |
| Season Avg | 6.9 | – | – | – | – |
Ratings Analysis & Trajectory
Across 5 seasons and 106 episodes, Supergirl has earned an overall series rating of 6.9 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 13 ("For The Girl Who Has Everything"), rated at an extraordinary 7.3/10 with 43 ratings. Conversely, the lowest-rated installment is Season 1, Episode 2 ("Stronger Together"), landing at 6.3/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 7 ("Human for a Day", 7.2) and Episode 8 ("Hostile Takeover", 6.6), a swing of 0.6 points.
Top 10 Highest Rated Episodes of Supergirl
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 13 | For The Girl Who Has Everything | 7.3 | 43 | Feb 8, 2016 |
| #2 | Season 1, Ep 16 | Falling | 7.3 | 40 | Mar 14, 2016 |
| #3 | Season 1, Ep 18 | Worlds Finest | 7.2 | 46 | Mar 28, 2016 |
| #4 | Season 1, Ep 7 | Human for a Day | 7.2 | 40 | Dec 7, 2015 |
| #5 | Season 1, Ep 12 | Bizarro | 7.1 | 42 | Feb 1, 2016 |
| #6 | Season 1, Ep 17 | Manhunter | 7.1 | 37 | Mar 21, 2016 |
| #7 | Season 1, Ep 14 | Truth, Justice and the American Way | 7.0 | 42 | Feb 22, 2016 |
| #8 | Season 1, Ep 4 | Livewire | 7.0 | 41 | Nov 16, 2015 |
| #9 | Season 1, Ep 11 | Strange Visitor from Another Planet | 7.0 | 40 | Jan 25, 2016 |
| #10 | Season 1, Ep 15 | Solitude | 7.0 | 39 | Feb 29, 2016 |