Britannia Episode Ratings Heatmap
2018 · 3 Seasons · 27 Episodes · Overall Score: 7.4/10 (27 rated)
Season 3 holds the highest collective average score across the series.
Season 3 Details →Lowest score variance (σ = 0.3), maintaining an average of 7.6.
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 3 seasons and 27 episodes, Britannia has earned an overall series rating of 7.4 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 2 ("Secret Alliances"), rated at an extraordinary 7.9/10 with 8 ratings. Conversely, the lowest-rated installment is Season 2, Episode 7 ("Alliance of Dark Forces"), landing at 6.3/10.
The most precipitous single-episode shift occurred in Season 2 between Episode 5 ("My Sister, the Queen", 7.6) and Episode 6 ("The Eagle's Arms", 6.3), a swing of 1.3 points.
Top 10 Highest Rated Episodes of Britannia
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 2 | Secret Alliances | 7.9 | 8 | Jan 18, 2018 |
| #2 | Season 1, Ep 9 | Pax Romana | 7.9 | 7 | Jan 18, 2018 |
| #3 | Season 2, Ep 8 | A Painful Truth | 7.8 | 6 | Nov 7, 2019 |
| #4 | Season 2, Ep 10 | The Challenge | 7.8 | 6 | Nov 7, 2019 |
| #5 | Season 3, Ep 4 | The Big Vision | 7.8 | 6 | Aug 24, 2021 |
| #6 | Season 3, Ep 6 | A Precious Asset | 7.8 | 5 | Aug 24, 2021 |
| #7 | Season 2, Ep 4 | Dark Game | 7.7 | 7 | Nov 7, 2019 |
| #8 | Season 1, Ep 8 | Initiation | 7.7 | 6 | Jan 18, 2018 |
| #9 | Season 3, Ep 2 | The Moon Tree | 7.7 | 6 | Aug 24, 2021 |
| #10 | Season 3, Ep 3 | War Chest | 7.7 | 6 | Aug 24, 2021 |