Expedition Unknown Episode Ratings Heatmap
2015 · 5 Seasons · 65 Episodes · Overall Score: 6.6/10 (9 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 1.23), maintaining an average of 6.6.
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 | 8.0 | – | – | – | – |
| Ep 2 | 7.5 | – | – | – | – |
| Ep 3 | 7.3 | – | – | – | – |
| Ep 4 | 7.0 | – | – | – | – |
| Ep 5 | 7.0 | – | – | – | – |
| Ep 6 | – | – | – | – | – |
| Ep 7 | – | – | – | – | – |
| Ep 8 | 5.0 | – | – | – | – |
| Ep 9 | 7.5 | – | – | – | – |
| Ep 10 | 5.0 | – | – | – | – |
| Ep 11 | – | – | – | – | – |
| Ep 12 | 5.0 | – | – | – | – |
| Ep 13 | – | – | – | – | – |
| Ep 14 | – | – | – | – | – |
| Ep 15 | – | – | – | – | – |
| Ep 16 | – | – | – | – | – |
| Ep 17 | – | – | – | – | – |
| Ep 18 | – | – | – | – | – |
| Ep 19 | – | – | – | – | – |
| Season Avg | 6.6 | – | – | – | – |
Ratings Analysis & Trajectory
Across 5 seasons and 65 episodes, Expedition Unknown has earned an overall series rating of 6.6 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 1 ("Amelia Earhart"), rated at an extraordinary 8.0/10 with 3 ratings. Conversely, the lowest-rated installment is Season 1, Episode 8 ("Code to Gold"), landing at 5.0/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 9 ("Mayan Apocalypse", 7.5) and Episode 10 ("Secrets of the Nazca", 5), a swing of 2.5 points.
Top 10 Highest Rated Episodes of Expedition Unknown
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 1 | Amelia Earhart | 8.0 | 3 | Jan 8, 2015 |
| #2 | Season 1, Ep 2 | Temple of Doom | 7.5 | 2 | Jan 15, 2015 |
| #3 | Season 1, Ep 9 | Mayan Apocalypse | 7.5 | 2 | Mar 5, 2015 |
| #4 | Season 1, Ep 3 | World's 8th Wonder | 7.3 | 3 | Jan 22, 2015 |
| #5 | Season 1, Ep 4 | The Legend of Jesse James | 7.0 | 1 | Jan 29, 2015 |
| #6 | Season 1, Ep 5 | City of Gold | 7.0 | 1 | Feb 5, 2015 |
| #7 | Season 1, Ep 10 | Secrets of the Nazca | 5.0 | 1 | Mar 19, 2015 |
| #8 | Season 1, Ep 12 | Curse of the Golden Bell | 5.0 | 1 | Apr 2, 2015 |
| #9 | Season 1, Ep 8 | Code to Gold | 5.0 | 0 | Feb 26, 2015 |