M*A*S*H Episode Ratings Heatmap
1972 · 5 Seasons · 120 Episodes · Overall Score: 7.0/10 (24 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.34), maintaining an average of 7.0.
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 | 6.8 | – | – | – | – |
| Ep 2 | 6.8 | – | – | – | – |
| Ep 3 | 6.8 | – | – | – | – |
| Ep 4 | 7.1 | – | – | – | – |
| Ep 5 | 7.3 | – | – | – | – |
| Ep 6 | 7.3 | – | – | – | – |
| Ep 7 | 6.7 | – | – | – | – |
| Ep 8 | 6.6 | – | – | – | – |
| Ep 9 | 6.8 | – | – | – | – |
| Ep 10 | 7.2 | – | – | – | – |
| Ep 11 | 6.9 | – | – | – | – |
| Ep 12 | 6.8 | – | – | – | – |
| Ep 13 | 6.7 | – | – | – | – |
| Ep 14 | 6.8 | – | – | – | – |
| Ep 15 | 8.0 | – | – | – | – |
| Ep 16 | 7.0 | – | – | – | – |
| Ep 17 | 7.6 | – | – | – | – |
| Ep 18 | 7.4 | – | – | – | – |
| Ep 19 | 7.3 | – | – | – | – |
| Ep 20 | 6.6 | – | – | – | – |
| Ep 21 | 6.9 | – | – | – | – |
| Ep 22 | 7.1 | – | – | – | – |
| Ep 23 | 7.0 | – | – | – | – |
| Ep 24 | 6.9 | – | – | – | – |
| Season Avg | 7.0 | – | – | – | – |
Ratings Analysis & Trajectory
Across 5 seasons and 120 episodes, M*A*S*H has earned an overall series rating of 7.0 out of 10. The series displays remarkable consistency across its narrative arc, maintaining reliable ratings from premiere to conclusion.
The single highest-rated hour of television in the series is Season 1, Episode 15 ("Tuttle"), rated at an extraordinary 8.0/10 with 10 ratings. Conversely, the lowest-rated installment is Season 1, Episode 20 ("The Army-Navy Game"), landing at 6.6/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 15 ("Tuttle", 8) and Episode 16 ("The Ringbanger", 7), a swing of 1 points.
Top 10 Highest Rated Episodes of M*A*S*H
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 15 | Tuttle | 8.0 | 10 | Jan 14, 1973 |
| #2 | Season 1, Ep 17 | Sometimes You Hear the Bullet | 7.6 | 13 | Jan 28, 1973 |
| #3 | Season 1, Ep 18 | Dear Dad...Again | 7.4 | 11 | Feb 4, 1973 |
| #4 | Season 1, Ep 6 | Yankee Doodle Doctor | 7.3 | 15 | Oct 22, 1972 |
| #5 | Season 1, Ep 5 | The Moose | 7.3 | 12 | Oct 15, 1972 |
| #6 | Season 1, Ep 19 | The Longjohn Flap | 7.3 | 10 | Feb 17, 1973 |
| #7 | Season 1, Ep 10 | I Hate a Mystery | 7.2 | 9 | Nov 26, 1972 |
| #8 | Season 1, Ep 4 | Chief Surgeon Who? | 7.1 | 13 | Oct 8, 1972 |
| #9 | Season 1, Ep 22 | Major Fred C. Dobbs | 7.1 | 11 | Mar 11, 1973 |
| #10 | Season 1, Ep 16 | The Ringbanger | 7.0 | 10 | Jan 21, 1973 |