Star Trek: Discovery Episode Ratings Heatmap
2017 · 5 Seasons · 65 Episodes · Overall Score: 6.9/10 (15 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.24), 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 | 7.0 | – | – | – | – |
| Ep 2 | 6.9 | – | – | – | – |
| Ep 3 | 7.0 | – | – | – | – |
| Ep 4 | 6.7 | – | – | – | – |
| Ep 5 | 6.8 | – | – | – | – |
| Ep 6 | 6.7 | – | – | – | – |
| Ep 7 | 6.7 | – | – | – | – |
| Ep 8 | 6.4 | – | – | – | – |
| Ep 9 | 7.0 | – | – | – | – |
| Ep 10 | 7.0 | – | – | – | – |
| Ep 11 | 6.9 | – | – | – | – |
| Ep 12 | 7.0 | – | – | – | – |
| Ep 13 | 7.3 | – | – | – | – |
| Ep 14 | 7.0 | – | – | – | – |
| Ep 15 | 6.4 | – | – | – | – |
| Season Avg | 6.9 | – | – | – | – |
Ratings Analysis & Trajectory
Across 5 seasons and 65 episodes, Star Trek: Discovery 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 ("What's Past is Prologue"), rated at an extraordinary 7.3/10 with 68 ratings. Conversely, the lowest-rated installment is Season 1, Episode 15 ("Will You Take My Hand?"), landing at 6.4/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 14 ("The War Without, The War Within", 7) and Episode 15 ("Will You Take My Hand?", 6.4), a swing of 0.6 points.
Top 10 Highest Rated Episodes of Star Trek: Discovery
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 13 | What's Past is Prologue | 7.3 | 68 | Jan 28, 2018 |
| #2 | Season 1, Ep 1 | The Vulcan Hello | 7.0 | 103 | Sep 24, 2017 |
| #3 | Season 1, Ep 3 | Context Is for Kings | 7.0 | 83 | Oct 1, 2017 |
| #4 | Season 1, Ep 9 | Into the Forest I Go | 7.0 | 77 | Nov 12, 2017 |
| #5 | Season 1, Ep 12 | Vaulting Ambition | 7.0 | 74 | Jan 21, 2018 |
| #6 | Season 1, Ep 10 | Despite Yourself | 7.0 | 73 | Jan 7, 2018 |
| #7 | Season 1, Ep 14 | The War Without, The War Within | 7.0 | 67 | Feb 4, 2018 |
| #8 | Season 1, Ep 2 | Battle at the Binary Stars | 6.9 | 90 | Sep 24, 2017 |
| #9 | Season 1, Ep 11 | The Wolf Inside | 6.9 | 71 | Jan 14, 2018 |
| #10 | Season 1, Ep 5 | Choose Your Pain | 6.8 | 81 | Oct 15, 2017 |