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TV Series Ratings Analysis

Big Brother Episode Ratings Heatmap

2001 · 16 Seasons · 1647 Episodes · Overall Score: 3.0/10 (23 rated)

Highest Rated Episode
10.0/10

S16E6: Daily Show (Day 5) (1 votes)

View Episode →
Best Season
8.00/10

Season 5 holds the highest collective average score across the series.

Season 5 Details →
Most Consistent Season
Season 13

Lowest score variance (σ = 0), maintaining an average of 1.0.

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Key Ratings Insights

  • Best season by average: Season 5 averaged 8.00/10 across 1 rated episodes.
  • Ratings fell from Season 5 (average 8.00/10) to Season 16 (average 6.64/10), a decline of 1.36 points.

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
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.

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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
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