TV Series Ratings Analysis
Big Brother Episode Ratings Heatmap
2000 · 28 Seasons · 1015 Episodes · Overall Score: 6.1/10 (477 rated)
Best Season
9.48/10
Season 13 holds the highest collective average score across the series.
Season 13 Details →
Most Consistent Season
Season 2
Lowest score variance (σ = 0.53), maintaining an average of 8.0.
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Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
8.5+ (Outstanding)
7.5 – 8.4 (Great)
6.0 – 7.4 (Average)
< 6.0 (Underwhelming)
Few votes
| Episode | Season 1 | Season 2 | Season 3 | Season 4 | Season 5 | Season 6 | Season 7 | Season 8 | Season 9 | Season 10 | Season 11 | Season 12 | Season 13 | Season 14 | Season 15 | Season 16 | Season 17 | Season 18 | Season 19 | Season 20 | Season 21 | Season 22 | Season 23 | Season 24 | Season 25 | Season 26 | Season 27 | Season 28 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ep 1 | 6.2 | 8.5 | – | – | – | – | – | – | – | 9.5 | – | 10.0 | 10.0 | – | 2.0 | 9.0 | – | – | 6.5 | – | – | – | 2.8 | 3.0 | 4.2 | 3.5 | 2.6 | 3.2 |
| Ep 2 | 8.0 | 8.5 | – | – | – | – | – | – | – | 9.0 | – | 9.0 | 10.0 | – | – | 9.0 | – | – | 8.0 | – | – | – | 1.0 | 4.0 | 3.0 | 3.2 | 3.2 | 2.0 |
| Ep 3 | 7.3 | 9.0 | – | – | – | – | – | – | – | 9.0 | – | 9.0 | 10.0 | – | – | 10.0 | – | – | 7.5 | – | 6.0 | 4.5 | 1.0 | 4.0 | 3.0 | 4.0 | 4.0 | 3.4 |
| Ep 4 | 8.7 | 7.5 | – | – | – | – | – | – | – | 10.0 | – | 6.0 | 10.0 | – | – | 10.0 | – | – | 8.5 | – | – | 4.5 | 1.0 | 6.0 | 4.0 | – | 4.5 | 4.0 |
| Ep 5 | 8.0 | 7.5 | – | – | – | – | – | – | – | 10.0 | – | 7.0 | 10.0 | – | – | 10.0 | – | – | 8.5 | – | – | 4.5 | 1.0 | 5.3 | 4.0 | 5.5 | 4.6 | 3.3 |
| Ep 6 | 7.5 | 8.0 | – | – | – | – | – | – | – | 10.0 | – | 7.0 | 8.0 | – | – | 10.0 | 8.0 | – | 8.0 | – | – | 4.5 | 1.0 | 4.0 | 4.5 | 10.0 | 2.8 | 2.8 |
| Ep 7 | 8.0 | 7.5 | – | – | – | – | – | – | – | 7.0 | – | 8.0 | 9.0 | – | – | 10.0 | – | – | 8.0 | – | – | 4.5 | 1.0 | 6.3 | 4.5 | 10.0 | 4.2 | 5.5 |
| Ep 8 | 6.0 | 8.0 | – | – | – | – | – | – | – | 10.0 | – | 10.0 | 10.0 | – | – | 10.0 | – | – | 7.5 | – | – | 5.5 | 1.0 | – | 4.5 | 10.0 | 2.5 | 4.0 |
| Ep 9 | 7.5 | 8.0 | – | – | – | – | – | – | – | 9.0 | – | – | – | – | – | 10.0 | – | – | 8.0 | – | – | 4.0 | 1.0 | 3.7 | 5.0 | 10.0 | 4.6 | 1.9 |
| Ep 10 | 8.0 | 7.5 | – | – | – | – | – | – | – | 10.0 | – | – | 8.0 | 8.0 | – | 10.0 | – | – | 7.5 | – | – | 4.5 | 1.0 | 6.7 | 9.0 | 10.0 | 4.2 | 7.0 |
| Ep 11 | 6.5 | 8.0 | – | – | – | – | – | – | – | – | – | 10.0 | 10.0 | – | – | 10.0 | – | – | 8.0 | – | – | 4.0 | 1.0 | 6.3 | 8.0 | 10.0 | 6.0 | 8.0 |
| Ep 12 | 6.0 | 7.5 | – | – | – | – | – | – | – | 9.0 | – | – | 8.0 | – | – | 10.0 | – | – | 7.5 | 8.0 | 7.0 | 4.5 | 1.0 | 4.5 | 7.0 | – | 4.0 | 5.0 |
| Ep 13 | 5.5 | 7.5 | – | – | – | – | – | – | – | – | – | 7.0 | 10.0 | – | – | 10.0 | – | – | 7.0 | – | – | 4.5 | 1.0 | 4.5 | 8.0 | 1.0 | 4.6 | 7.5 |
| Ep 14 | 5.5 | 7.5 | – | – | – | – | – | – | – | – | – | 9.0 | 10.0 | – | – | 10.0 | – | – | 7.5 | – | – | 4.5 | 1.0 | 4.5 | – | 7.0 | 3.8 | 6.0 |
| Ep 15 | 6.0 | 9.0 | – | – | – | – | – | 8.0 | – | 3.0 | – | – | 10.0 | – | – | 10.0 | – | – | 8.0 | – | 6.0 | 4.5 | 1.0 | 4.5 | 7.0 | 7.0 | 2.5 | 8.0 |
| Ep 16 | 6.5 | 7.5 | – | – | – | – | – | – | – | – | – | – | 10.0 | – | – | 10.0 | – | – | 8.0 | – | – | 5.0 | 1.0 | 5.7 | – | 10.0 | 4.4 | 2.0 |
| Ep 17 | 8.0 | 7.5 | – | – | – | – | – | – | – | 10.0 | – | – | 10.0 | – | – | 10.0 | – | – | 7.5 | – | – | 4.5 | 1.0 | 4.0 | – | 10.0 | 5.5 | 6.3 |
| Ep 18 | 7.7 | 7.5 | – | – | – | – | – | 8.0 | – | – | – | – | 10.0 | – | – | – | – | – | 7.5 | – | 9.0 | 5.0 | 1.0 | 1.0 | – | 1.0 | 4.0 | 6.0 |
| Ep 19 | 7.3 | 8.0 | – | – | – | – | – | – | – | – | – | – | 9.0 | – | – | – | – | – | 6.5 | – | 7.0 | 4.5 | 1.0 | 1.0 | – | 4.5 | 5.5 | 5.5 |
| Ep 20 | 5.5 | 8.0 | – | – | – | – | – | – | – | – | – | – | 9.0 | – | – | – | – | – | 6.5 | – | 8.0 | – | 1.0 | 1.0 | – | 10.0 | 4.2 | 2.5 |
| Ep 21 | 6.0 | 8.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 7.0 | – | 7.0 | – | 1.0 | 1.0 | – | 10.0 | 5.0 | 7.0 |
| Ep 22 | 5.8 | 7.5 | – | – | – | – | – | – | – | 9.0 | – | – | 9.0 | – | – | – | – | – | 6.5 | – | 7.0 | – | 1.0 | – | – | 10.0 | 5.5 | 5.5 |
| Ep 23 | 5.5 | 8.0 | – | – | – | – | – | – | – | – | – | – | 10.0 | – | – | – | – | – | 7.0 | – | 7.0 | 6.0 | 1.0 | 1.0 | – | 10.0 | 4.0 | 3.3 |
| Ep 24 | 6.0 | 9.0 | – | – | – | – | – | – | – | – | – | – | 8.0 | – | – | – | – | – | 8.0 | – | – | 6.0 | 1.0 | 1.0 | – | 10.0 | 5.0 | 4.0 |
| Ep 25 | 6.5 | 7.5 | – | – | – | – | – | – | – | – | – | – | 8.0 | – | – | – | – | – | 4.0 | – | – | – | 1.0 | 1.0 | – | 10.0 | 4.8 | 4.5 |
| Ep 26 | 6.0 | 8.5 | – | – | – | – | – | – | – | 10.0 | – | – | 10.0 | – | – | – | – | – | 6.5 | – | – | – | 1.0 | 1.0 | – | 10.0 | 4.8 | 4.5 |
| Ep 27 | 6.0 | 8.0 | – | – | – | – | – | – | – | – | – | – | 10.0 | – | – | – | – | – | 6.5 | – | – | – | 4.5 | 1.0 | – | 10.0 | 5.4 | – |
| Ep 28 | 5.5 | 8.0 | – | – | – | – | – | – | – | – | – | – | 10.0 | 10.0 | 10.0 | – | – | – | 6.0 | – | – | 4.0 | 3.3 | 4.5 | – | 5.5 | 2.5 | 6.0 |
| Ep 29 | 6.0 | 9.0 | – | – | – | – | – | – | – | 10.0 | – | 10.0 | 10.0 | 6.0 | – | – | – | – | 6.5 | – | – | – | 3.7 | 3.3 | – | 5.5 | 4.3 | 1.0 |
| Ep 30 | 6.5 | 8.5 | – | – | – | – | – | – | – | – | – | 10.0 | – | 10.0 | – | – | – | – | 7.5 | – | – | – | 3.3 | 3.3 | – | 5.5 | 3.0 | 4.0 |
| Ep 31 | 5.5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 8.0 | – | – | 10.0 | 3.3 | 3.3 | 6.0 | – | 2.1 | 8.0 |
| Ep 32 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.5 | – | 4.0 | – | 3.3 | 5.0 | 6.0 | – | 2.8 | 8.0 |
| Ep 33 | 5.5 | – | – | 8.0 | – | – | – | – | – | – | – | – | – | – | – | 10.0 | – | – | 8.0 | – | 1.0 | – | 4.5 | 4.0 | – | 10.0 | 3.2 | – |
| Ep 34 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.0 | – | – | – | 8.5 | – | 1.0 | 10.0 | 4.0 | 1.0 | – | 4.0 | 2.8 | 8.0 |
| Ep 35 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.0 | 8.0 | – | – | 7.5 | – | 1.0 | 2.0 | 2.8 | 4.0 | – | 5.5 | 3.6 | 10.0 |
| Ep 36 | 6.5 | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.0 | 10.0 | – | – | 7.5 | – | 1.0 | 2.0 | 2.8 | – | 2.0 | 10.0 | 4.0 | 1.0 |
| Ep 37 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 8.0 | – | – | 6.0 | – | 1.0 | 4.0 | 3.2 | – | 1.0 | 5.5 | 3.2 | 10.0 |
| Ep 38 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 10.0 | – | – | 5.0 | – | 1.0 | – | – | – | 1.0 | 1.0 | 3.2 | – |
| Ep 39 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.0 | – | – | 8.5 | – | 1.0 | – | – | – | 1.0 | 10.0 | 3.2 | – |
| Ep 40 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 6.0 | – | – | – | – | 1.0 | – | – | – | 1.0 | – | – | – |
| Ep 41 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.0 | – | – | – |
| Ep 42 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.0 | – | – | – |
| Ep 43 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 44 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 45 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 46 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 47 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 48 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 49 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 50 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 51 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 52 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 53 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 54 | 7.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 55 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 56 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 57 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 58 | 8.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 59 | 8.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 60 | 8.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 61 | 6.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 62 | 8.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 63 | 8.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 64 | 8.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 65 | 10.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 66 | 10.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 67 | 10.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 68 | 10.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 69 | 8.5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 70 | 8.5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Season Avg | 6.8 | 8.0 | – | 8.0 | – | – | – | 8.0 | – | 9.0 | – | 8.6 | 9.5 | 8.5 | 3.4 | 9.4 | 8.0 | – | 7.3 | 8.0 | 4.2 | 4.9 | 1.8 | 3.5 | 4.2 | 7.4 | 4.0 | 5.1 |
Ratings Analysis & Trajectory
Across 28 seasons and 1015 episodes, Big Brother has earned an overall series rating of 6.1 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 1, Episode 68 ("Day 86: Banishment 7"), rated at an extraordinary 10.0/10 with 2 ratings. Conversely, the lowest-rated installment is Season 28, Episode 36 ("Big Brother: Unlocked 9/18/2026"), landing at 1.0/10.
The most precipitous single-episode shift occurred in Season 26 between Episode 17 ("Episode 17", 10) and Episode 18 ("Episode 18", 1), a swing of 9 points.
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Top 10 Highest Rated Episodes of Big Brother
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 68 | Day 86: Banishment 7 | 10.0 | 2 | Sep 27, 2000 |
| #2 | Season 26, Ep 7 | Episode 7 | 10.0 | 2 | Jul 31, 2024 |
| #3 | Season 1, Ep 65 | Day ??: Live Nominations For Banishment & Cassandra Returns | 10.0 | 1 | Sep 23, 2000 |
| #4 | Season 1, Ep 66 | Day 81-83 | 10.0 | 1 | Sep 25, 2000 |
| #5 | Season 1, Ep 67 | Day 84 | 10.0 | 1 | Sep 26, 2000 |
| #6 | Season 10, Ep 4 | Nomination Ceremony #2 | 10.0 | 1 | Jul 20, 2008 |
| #7 | Season 10, Ep 5 | PoV Comp #2 | 10.0 | 1 | Jul 22, 2008 |
| #8 | Season 10, Ep 6 | Live Eviction #2 & HoH Comp #3 | 10.0 | 1 | Jul 23, 2008 |
| #9 | Season 10, Ep 8 | PoV Comp #3 | 10.0 | 1 | Jul 29, 2008 |
| #10 | Season 10, Ep 10 | Nomination Ceremony #4 | 10.0 | 1 | Aug 3, 2008 |
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