QI Episode Ratings Heatmap
2003 · 5 Seasons · 62 Episodes · Overall Score: 7.1/10 (12 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.35), maintaining an average of 7.1.
Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
Ratings Analysis & Trajectory
Across 5 seasons and 62 episodes, QI has earned an overall series rating of 7.1 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 3 ("Aquatic Animals"), rated at an extraordinary 8.0/10 with 4 ratings. Conversely, the lowest-rated installment is Season 1, Episode 7 ("Arthropods"), landing at 6.7/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 3 ("Aquatic Animals", 8) and Episode 4 ("Atoms", 7.3), a swing of 0.7 points.
Top 10 Highest Rated Episodes of QI
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 3 | Aquatic Animals | 8.0 | 4 | Sep 25, 2003 |
| #2 | Season 1, Ep 4 | Atoms | 7.3 | 3 | Oct 2, 2003 |
| #3 | Season 1, Ep 2 | Astronomy | 7.2 | 5 | Sep 18, 2003 |
| #4 | Season 1, Ep 11 | Arts | 7.2 | 4 | Nov 20, 2003 |
| #5 | Season 1, Ep 1 | Adam | 7.0 | 5 | Sep 11, 2003 |
| #6 | Season 1, Ep 5 | Advertising | 7.0 | 3 | Oct 9, 2003 |
| #7 | Season 1, Ep 8 | Albania | 7.0 | 3 | Oct 30, 2003 |
| #8 | Season 1, Ep 9 | Antelopes | 7.0 | 3 | Nov 6, 2003 |
| #9 | Season 1, Ep 10 | Aviation | 7.0 | 3 | Nov 13, 2003 |
| #10 | Season 1, Ep 12 | Advent | 6.8 | 4 | Dec 25, 2003 |