Season 5 holds the highest collective average score across the series.
Season 5 Details →Lowest score variance (σ = 0), maintaining an average of 1.0.
Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
Season 16 (26 episodes) Avg: 6.6
Season 15 (25 episodes) Avg: 1.0
Season 14 (31 episodes) Avg: 1.0
Season 13 (31 episodes) Avg: 1.0
Season 12 (21 episodes) Avg: –
Season 11 (56 episodes) Avg: –
Season 10 (89 episodes) Avg: –
Season 9 (89 episodes) Avg: –
Season 8 (112 episodes) Avg: –
Season 7 (210 episodes) Avg: –
Season 6 (206 episodes) Avg: –
Season 5 (210 episodes) Avg: 8.0
Season 4 (169 episodes) Avg: –
Season 3 (177 episodes) Avg: –
Season 2 (100 episodes) Avg: –
Ratings Analysis & Trajectory
Across 16 seasons and 1647 episodes, Big Brother has earned an overall series rating of 3.0 out of 10. The series reached its critical peak early, showing a slight contraction in audience satisfaction in later chapters.
The single highest-rated hour of television in the series is Season 16, Episode 6 ("Daily Show (Day 5)"), rated at an extraordinary 10.0/10 with 1 ratings. Conversely, the lowest-rated installment is Season 15, Episode 3 ("Episode 3"), landing at 1.0/10.
The most precipitous single-episode shift occurred in Season 16 between Episode 2 ("Live Special", 5.5) and Episode 3 ("Daily Show (Day 2)", 5), a swing of 0.5 points.
Top 10 Highest Rated Episodes of Big Brother
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 16, Ep 6 | Daily Show (Day 5) | 10.0 | 1 | Nov 14, 2025 |
| #2 | Season 16, Ep 7 | Live Eviction | 10.0 | 1 | Nov 16, 2025 |
| #3 | Season 5, Ep 2 | Live Surprise | 8.0 | 1 | May 9, 2005 |
| #4 | Season 16, Ep 2 | Live Special | 5.5 | 2 | Nov 10, 2025 |
| #5 | Season 16, Ep 4 | Live Nominations | 5.5 | 2 | Nov 12, 2025 |
| #6 | Season 16, Ep 5 | Daily Show (Day 4) | 5.5 | 2 | Nov 13, 2025 |
| #7 | Season 16, Ep 3 | Daily Show (Day 2) | 5.0 | 2 | Nov 11, 2025 |
| #8 | Season 16, Ep 1 | Launch | 5.0 | 1 | Nov 9, 2025 |
| #9 | Season 14, Ep 1 | Episode 1 | 1.0 | 2 | May 9, 2022 |
| #10 | Season 14, Ep 2 | Episode 2 | 1.0 | 2 | May 10, 2022 |