Gilligan's Island Episode Ratings Heatmap
1964 · 3 Seasons · 98 Episodes · Overall Score: 5.5/10 (98 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.42), maintaining an average of 6.0.
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 |
|---|---|---|---|
| Ep 1 | 6.4 | 4.7 | 6.0 |
| Ep 2 | 6.0 | 5.5 | 5.0 |
| Ep 3 | 6.0 | 6.0 | 5.0 |
| Ep 4 | 6.0 | 6.0 | 4.0 |
| Ep 5 | 5.8 | 6.5 | 7.0 |
| Ep 6 | 6.0 | 6.5 | 6.0 |
| Ep 7 | 6.0 | 5.5 | 5.0 |
| Ep 8 | 6.3 | 6.5 | 4.0 |
| Ep 9 | 6.5 | 6.0 | 4.5 |
| Ep 10 | 6.0 | 7.0 | 4.0 |
| Ep 11 | 5.7 | 6.5 | 4.0 |
| Ep 12 | 6.0 | 5.5 | 5.0 |
| Ep 13 | 6.0 | 6.0 | 5.0 |
| Ep 14 | 6.0 | 5.0 | 4.0 |
| Ep 15 | 4.5 | 3.0 | 5.0 |
| Ep 16 | 6.0 | 6.0 | 4.0 |
| Ep 17 | 5.8 | 6.0 | 6.0 |
| Ep 18 | 5.8 | 6.0 | 5.0 |
| Ep 19 | 5.7 | 6.0 | 4.0 |
| Ep 20 | 6.0 | 6.0 | 4.0 |
| Ep 21 | 5.7 | 5.0 | 5.0 |
| Ep 22 | 5.5 | 5.0 | 5.0 |
| Ep 23 | 6.3 | 6.0 | 5.0 |
| Ep 24 | 6.0 | 5.0 | 3.5 |
| Ep 25 | 5.5 | 6.0 | 5.0 |
| Ep 26 | 6.0 | 5.0 | 4.0 |
| Ep 27 | 5.5 | 5.0 | 5.0 |
| Ep 28 | 6.3 | 6.0 | 5.0 |
| Ep 29 | 7.0 | 4.0 | 5.0 |
| Ep 30 | 6.0 | 6.0 | 4.0 |
| Ep 31 | 6.5 | 5.0 | – |
| Ep 32 | 6.5 | 5.0 | – |
| Ep 33 | 6.0 | – | – |
| Ep 34 | 6.5 | – | – |
| Ep 35 | 6.5 | – | – |
| Ep 36 | 6.5 | – | – |
| Season Avg | 6.0 | 5.6 | 4.8 |
Ratings Analysis & Trajectory
Across 3 seasons and 98 episodes, Gilligan's Island has earned an overall series rating of 5.5 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 29 ("Three to Get Ready"), rated at an extraordinary 7.0/10 with 2 ratings. Conversely, the lowest-rated installment is Season 2, Episode 15 ("Erika Tiffany Smith to the Rescue"), landing at 3.0/10.
The most precipitous single-episode shift occurred in Season 2 between Episode 14 ("Mine Hero", 5) and Episode 15 ("Erika Tiffany Smith to the Rescue", 3), a swing of 2 points.
Top 10 Highest Rated Episodes of Gilligan's Island
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 29 | Three to Get Ready | 7.0 | 2 | Apr 17, 1965 |
| #2 | Season 2, Ep 10 | Hi-Fi Gilligan | 7.0 | 2 | Nov 25, 1965 |
| #3 | Season 3, Ep 5 | Voodoo | 7.0 | 2 | Oct 10, 1966 |
| #4 | Season 1, Ep 9 | The Big Gold Strike | 6.5 | 4 | Nov 28, 1964 |
| #5 | Season 1, Ep 31 | Diogenes, Won't You Please Go Home? | 6.5 | 2 | May 1, 1965 |
| #6 | Season 1, Ep 32 | Physical Fatness | 6.5 | 2 | May 8, 1965 |
| #7 | Season 1, Ep 34 | Goodbye, Old Paint | 6.5 | 2 | May 22, 1965 |
| #8 | Season 1, Ep 35 | My Fair Gilligan | 6.5 | 2 | Jun 5, 1965 |
| #9 | Season 1, Ep 36 | A Nose By Any Other Name | 6.5 | 2 | Jun 12, 1965 |
| #10 | Season 2, Ep 5 | The Sweepstakes | 6.5 | 2 | Oct 14, 1965 |