Orphan Black Episode Ratings Heatmap
2013 · 5 Seasons · 50 Episodes · Overall Score: 7.5/10 (10 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.35), maintaining an average of 7.5.
Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
Ratings Analysis & Trajectory
Across 5 seasons and 50 episodes, Orphan Black has earned an overall series rating of 7.5 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 10 ("Endless Forms Most Beautiful"), rated at an extraordinary 8.3/10 with 27 ratings. Conversely, the lowest-rated installment is Season 1, Episode 7 ("Parts Developed in an Unusual Manner"), landing at 7.2/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 6 ("Variations Under Domestication", 7.9) and Episode 7 ("Parts Developed in an Unusual Manner", 7.2), a swing of 0.7 points.
Top 10 Highest Rated Episodes of Orphan Black
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 10 | Endless Forms Most Beautiful | 8.3 | 27 | Jun 1, 2013 |
| #2 | Season 1, Ep 6 | Variations Under Domestication | 7.9 | 30 | May 4, 2013 |
| #3 | Season 1, Ep 2 | Instinct | 7.6 | 37 | Apr 6, 2013 |
| #4 | Season 1, Ep 3 | Variation Under Nature | 7.5 | 32 | Apr 13, 2013 |
| #5 | Season 1, Ep 9 | Unconscious Selection | 7.5 | 29 | May 25, 2013 |
| #6 | Season 1, Ep 1 | Natural Selection | 7.3 | 50 | Mar 30, 2013 |
| #7 | Season 1, Ep 8 | Entangled Bank | 7.3 | 32 | May 18, 2013 |
| #8 | Season 1, Ep 5 | Conditions of Existence | 7.3 | 31 | Apr 27, 2013 |
| #9 | Season 1, Ep 4 | Effects of External Conditions | 7.2 | 32 | Apr 20, 2013 |
| #10 | Season 1, Ep 7 | Parts Developed in an Unusual Manner | 7.2 | 30 | May 11, 2013 |