Brothers and Sisters Episode Ratings Heatmap
2006 · 5 Seasons · 109 Episodes · Overall Score: 7.7/10 (109 rated)
Season 5 holds the highest collective average score across the series.
Season 5 Details →Lowest score variance (σ = 0.19), maintaining an average of 8.1.
Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
| Episode | Season 1 | Season 2 | Season 3 | Season 4 | Season 5 |
|---|---|---|---|---|---|
| Ep 1 | 6.6 | 6.0 | 7.5 | 8.0 | 7.8 |
| Ep 2 | 6.4 | 7.5 | 6.0 | 8.2 | 7.8 |
| Ep 3 | 5.0 | 7.5 | 8.0 | 8.0 | 7.8 |
| Ep 4 | 6.4 | 7.5 | 8.0 | 8.2 | 8.0 |
| Ep 5 | 5.7 | 8.0 | 6.0 | 8.2 | 7.8 |
| Ep 6 | 7.4 | 7.5 | 7.5 | 8.0 | 8.8 |
| Ep 7 | 5.9 | 8.0 | 7.5 | 8.0 | 8.0 |
| Ep 8 | 7.8 | 5.7 | 8.0 | 8.0 | 8.0 |
| Ep 9 | 7.6 | 8.0 | 8.0 | 8.0 | 8.0 |
| Ep 10 | 7.2 | 8.0 | 8.8 | 8.0 | 8.0 |
| Ep 11 | 7.6 | 7.5 | 8.0 | 8.0 | 8.0 |
| Ep 12 | 7.2 | 5.7 | 8.0 | 8.0 | 8.0 |
| Ep 13 | 7.6 | 7.5 | 8.0 | 8.0 | 8.0 |
| Ep 14 | 5.8 | 8.0 | 8.0 | 8.0 | 8.0 |
| Ep 15 | 7.8 | 6.2 | 8.0 | 8.0 | 8.7 |
| Ep 16 | 7.8 | 6.7 | 8.8 | 8.0 | 8.0 |
| Ep 17 | 7.2 | – | 8.8 | 8.0 | 8.2 |
| Ep 18 | 7.5 | – | 8.2 | 8.8 | 8.0 |
| Ep 19 | 8.0 | – | 8.0 | 8.2 | 8.2 |
| Ep 20 | 5.3 | – | 8.0 | 8.0 | 8.8 |
| Ep 21 | 8.0 | – | 8.2 | 8.0 | 8.2 |
| Ep 22 | 8.0 | – | 8.2 | 8.0 | 8.8 |
| Ep 23 | 8.8 | – | 8.0 | 8.0 | – |
| Ep 24 | – | – | 8.0 | 8.5 | – |
| Season Avg | 7.1 | 7.2 | 7.9 | 8.1 | 8.1 |
Ratings Analysis & Trajectory
Across 5 seasons and 109 episodes, Brothers and Sisters has earned an overall series rating of 7.7 out of 10. The series demonstrates an upward quality trajectory, with later seasons sustaining higher viewer acclaim than its debut.
The single highest-rated hour of television in the series is Season 1, Episode 23 ("Matriarchy"), rated at an extraordinary 8.8/10 with 4 ratings. Conversely, the lowest-rated installment is Season 1, Episode 3 ("Affairs of State"), landing at 5.0/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 19 ("Game Night", 8) and Episode 20 ("Bad News", 5.3), a swing of 2.7 points.
Top 10 Highest Rated Episodes of Brothers and Sisters
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 23 | Matriarchy | 8.8 | 4 | May 20, 2007 |
| #2 | Season 3, Ep 10 | Just a Sliver | 8.8 | 4 | Dec 7, 2008 |
| #3 | Season 3, Ep 16 | Troubled Waters (1) | 8.8 | 4 | Mar 1, 2009 |
| #4 | Season 3, Ep 17 | Troubled Waters (2) | 8.8 | 4 | Mar 1, 2009 |
| #5 | Season 4, Ep 18 | Time After Time Part 1 | 8.8 | 4 | Apr 11, 2010 |
| #6 | Season 5, Ep 6 | An Ideal Husband | 8.8 | 4 | Oct 31, 2010 |
| #7 | Season 5, Ep 20 | Father Unknown | 8.8 | 4 | Apr 24, 2011 |
| #8 | Season 5, Ep 22 | Walker Down the Aisle | 8.8 | 4 | May 8, 2011 |
| #9 | Season 5, Ep 15 | Brody | 8.7 | 4 | Feb 20, 2011 |
| #10 | Season 4, Ep 24 | On the Road Again | 8.5 | 4 | May 16, 2010 |