Siren Episode Ratings Heatmap
2018 · 3 Seasons · 36 Episodes · Overall Score: 7.3/10 (36 rated)
Season 3 holds the highest collective average score across the series.
Season 3 Details →Lowest score variance (σ = 0.26), maintaining an average of 7.3.
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 |
|---|---|---|---|
| Ep 1 | 6.4 | 7.3 | 5.5 |
| Ep 2 | 6.7 | 7.2 | 8.5 |
| Ep 3 | 6.9 | 7.2 | 7.0 |
| Ep 4 | 7.1 | 7.7 | 7.0 |
| Ep 5 | 7.4 | 7.8 | 9.0 |
| Ep 6 | 7.2 | 7.4 | 9.0 |
| Ep 7 | 7.0 | 7.0 | 8.0 |
| Ep 8 | 7.0 | 7.6 | 9.0 |
| Ep 9 | 7.0 | 7.2 | 6.0 |
| Ep 10 | 6.0 | 7.2 | 8.0 |
| Ep 11 | – | 7.5 | – |
| Ep 12 | – | 7.2 | – |
| Ep 13 | – | 7.0 | – |
| Ep 14 | – | 7.0 | – |
| Ep 15 | – | 7.0 | – |
| Ep 16 | – | 7.0 | – |
| Season Avg | 6.9 | 7.3 | 7.7 |
Ratings Analysis & Trajectory
Across 3 seasons and 36 episodes, Siren has earned an overall series rating of 7.3 out of 10. The series demonstrates an upward quality trajectory, with later seasons sustaining higher viewer acclaim than its debut.
The single highest-rated hour of television in the series is Season 3, Episode 5 ("Mommy and Me"), rated at an extraordinary 9.0/10 with 2 ratings. Conversely, the lowest-rated installment is Season 3, Episode 1 ("Borders"), landing at 5.5/10.
The most precipitous single-episode shift occurred in Season 3 between Episode 8 ("‘Til Death Do Us Part", 9) and Episode 9 ("A Voice in the Dark", 6), a swing of 3 points.
Top 10 Highest Rated Episodes of Siren
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 3, Ep 5 | Mommy and Me | 9.0 | 2 | Apr 23, 2020 |
| #2 | Season 3, Ep 6 | The Island | 9.0 | 2 | Apr 30, 2020 |
| #3 | Season 3, Ep 8 | ‘Til Death Do Us Part | 9.0 | 2 | May 14, 2020 |
| #4 | Season 3, Ep 2 | Revelations | 8.5 | 2 | Apr 2, 2020 |
| #5 | Season 3, Ep 7 | Northern Exposure | 8.0 | 1 | May 7, 2020 |
| #6 | Season 3, Ep 10 | The Toll of the Sea | 8.0 | 1 | May 28, 2020 |
| #7 | Season 2, Ep 5 | Primal Instincts | 7.8 | 5 | Feb 21, 2019 |
| #8 | Season 2, Ep 4 | Oil & Water | 7.7 | 6 | Feb 14, 2019 |
| #9 | Season 2, Ep 8 | Leverage | 7.6 | 5 | Mar 14, 2019 |
| #10 | Season 2, Ep 11 | Mixed Signals | 7.5 | 4 | Jun 27, 2019 |