TV Series Ratings Analysis
Big Brother Episode Ratings Heatmap
2000 · 19 Seasons · 1486 Episodes · Overall Score: 5.4/10 (37 rated)
Best Season
10.00/10
Season 5 holds the highest collective average score across the series.
Season 5 Details →
Most Consistent Season
Season 7
Lowest score variance (σ = 0), maintaining an average of 10.0.
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ep 1 | 5.0 | 8.0 | 9.0 | 1.0 | 10.0 | 8.0 | 10.0 | 7.0 | 8.0 | 8.0 | 10.0 | 6.0 | – | 9.5 | 3.0 | 5.0 | 2.0 | 4.3 | 7.0 |
| Ep 2 | – | – | – | 1.0 | – | – | – | – | – | – | – | – | 7.0 | – | – | – | 1.0 | – | 1.0 |
| Ep 3 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.0 | – | 1.0 |
| Ep 4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.0 | – | – |
| Ep 5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.0 | – | – |
| Ep 6 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.0 | – | – |
| Ep 7 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.0 | – | – |
| Ep 8 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.0 | – | – |
| Ep 9 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 10 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 11 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 12 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 13 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 14 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 15 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 16 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 17 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 18 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 19 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 20 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 21 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 22 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.0 |
| Ep 23 | – | – | – | – | 10.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 24 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 25 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 26 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 27 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 28 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 29 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 30 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 31 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 32 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 33 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 34 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 35 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 36 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 37 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 38 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 39 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 40 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 41 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 42 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 43 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 44 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 45 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 10.0 |
| Ep 46 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 47 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 48 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 49 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 50 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 51 | 10.0 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 52 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 53 | 0.5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 54 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 10.0 | – |
| Ep 55 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 56 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 57 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 58 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 59 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 60 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 61 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 62 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 63 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 64 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 65 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 66 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 67 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 68 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 69 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 70 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 71 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 72 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 73 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 74 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 75 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 76 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 77 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 78 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 79 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 80 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 81 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 82 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 83 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 84 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 85 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 86 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 87 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 88 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 89 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 90 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 91 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 92 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 93 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 94 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 95 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 96 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 97 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 98 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 99 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 100 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 101 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 102 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 103 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 104 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 105 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 106 | – | – | – | – | – | – | 10.0 | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 107 | – | – | – | – | – | – | 10.0 | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 108 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 109 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Ep 110 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Season Avg | 5.2 | 8.0 | 9.0 | 1.0 | 10.0 | 8.0 | 10.0 | 7.0 | 8.0 | 8.0 | 10.0 | 6.0 | 7.0 | 9.5 | 3.0 | 5.0 | 1.1 | 7.2 | 4.0 |
Ratings Analysis & Trajectory
Across 19 seasons and 1486 episodes, Big Brother has earned an overall series rating of 5.4 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 7, Episode 1 ("LIVE Launch Show"), rated at an extraordinary 10.0/10 with 2 ratings. Conversely, the lowest-rated installment is Season 1, Episode 53 ("53"), landing at 0.5/10.
The most precipitous single-episode shift occurred in Season 19 between Episode 1 ("Live Launch", 7) and Episode 2 ("Day 1 & 2", 1), a swing of 6 points.
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Top 10 Highest Rated Episodes of Big Brother
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 7, Ep 1 | LIVE Launch Show | 10.0 | 2 | May 18, 2006 |
| #2 | Season 1, Ep 51 | Live Finale (Part 2) | 10.0 | 1 | Sep 15, 2000 |
| #3 | Season 5, Ep 1 | LIVE Launch Show | 10.0 | 1 | May 28, 2004 |
| #4 | Season 5, Ep 23 | Day 20 Highlights | 10.0 | 1 | Jun 17, 2004 |
| #5 | Season 7, Ep 106 | LIVE Finale (Part 1) | 10.0 | 1 | Aug 18, 2006 |
| #6 | Season 7, Ep 107 | LIVE Finale (Part 2) | 10.0 | 1 | Aug 18, 2006 |
| #7 | Season 11, Ep 1 | Live Launch | 10.0 | 1 | Jun 9, 2010 |
| #8 | Season 18, Ep 54 | Live Final | 10.0 | 1 | Jul 28, 2017 |
| #9 | Season 19, Ep 45 | Goodbye Big Brother: The Live Final | 10.0 | 1 | Nov 5, 2018 |
| #10 | Season 14, Ep 1 | Live Launch: Part 1 | 9.5 | 2 | Jun 13, 2013 |
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