The 100 Episode Ratings Heatmap
2014 · 5 Seasons · 71 Episodes · Overall Score: 7.3/10 (13 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.34), 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 | Season 4 | Season 5 |
|---|---|---|---|---|---|
| Ep 1 | 6.7 | – | – | – | – |
| Ep 2 | 6.6 | – | – | – | – |
| Ep 3 | 7.1 | – | – | – | – |
| Ep 4 | 7.4 | – | – | – | – |
| Ep 5 | 7.3 | – | – | – | – |
| Ep 6 | 7.6 | – | – | – | – |
| Ep 7 | 7.4 | – | – | – | – |
| Ep 8 | 7.4 | – | – | – | – |
| Ep 9 | 7.6 | – | – | – | – |
| Ep 10 | 7.3 | – | – | – | – |
| Ep 11 | 7.3 | – | – | – | – |
| Ep 12 | 7.6 | – | – | – | – |
| Ep 13 | 7.7 | – | – | – | – |
| Ep 14 | – | – | – | – | – |
| Ep 15 | – | – | – | – | – |
| Ep 16 | – | – | – | – | – |
| Season Avg | 7.3 | – | – | – | – |
Ratings Analysis & Trajectory
Across 5 seasons and 71 episodes, The 100 has earned an overall series rating of 7.3 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 ("We Are Grounders (2)"), rated at an extraordinary 7.7/10 with 59 ratings. Conversely, the lowest-rated installment is Season 1, Episode 2 ("Earth Skills"), landing at 6.6/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 9 ("Unity Day", 7.6) and Episode 10 ("I Am Become Death", 7.3), a swing of 0.3 points.
Top 10 Highest Rated Episodes of The 100
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 13 | We Are Grounders (2) | 7.7 | 59 | Jun 11, 2014 |
| #2 | Season 1, Ep 6 | His Sister's Keeper | 7.6 | 56 | Apr 23, 2014 |
| #3 | Season 1, Ep 9 | Unity Day | 7.6 | 53 | May 14, 2014 |
| #4 | Season 1, Ep 12 | We Are Grounders (1) | 7.6 | 53 | Jun 4, 2014 |
| #5 | Season 1, Ep 4 | Murphy's Law | 7.4 | 62 | Apr 9, 2014 |
| #6 | Season 1, Ep 7 | Contents Under Pressure | 7.4 | 55 | Apr 30, 2014 |
| #7 | Season 1, Ep 8 | Day Trip | 7.4 | 53 | May 7, 2014 |
| #8 | Season 1, Ep 5 | Twilight's Last Gleaming | 7.3 | 58 | Apr 16, 2014 |
| #9 | Season 1, Ep 10 | I Am Become Death | 7.3 | 54 | May 21, 2014 |
| #10 | Season 1, Ep 11 | The Calm | 7.3 | 52 | May 28, 2014 |