Nadia: The Secret of Blue Water Episode Ratings Heatmap
1990 · 1 Seasons · 39 Episodes · Overall Score: 6.7/10 (39 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.43), maintaining an average of 6.7.
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 |
|---|---|
| Ep 1 | 6.6 |
| Ep 2 | 6.2 |
| Ep 3 | 7.0 |
| Ep 4 | 7.2 |
| Ep 5 | 6.8 |
| Ep 6 | 7.0 |
| Ep 7 | 6.5 |
| Ep 8 | 6.8 |
| Ep 9 | 6.8 |
| Ep 10 | 7.2 |
| Ep 11 | 7.0 |
| Ep 12 | 7.2 |
| Ep 13 | 6.5 |
| Ep 14 | 6.5 |
| Ep 15 | 7.0 |
| Ep 16 | 7.2 |
| Ep 17 | 6.8 |
| Ep 18 | 6.8 |
| Ep 19 | 6.5 |
| Ep 20 | 7.0 |
| Ep 21 | 7.2 |
| Ep 22 | 7.0 |
| Ep 23 | 6.5 |
| Ep 24 | 6.8 |
| Ep 25 | 6.8 |
| Ep 26 | 6.5 |
| Ep 27 | 5.8 |
| Ep 28 | 6.0 |
| Ep 29 | 6.2 |
| Ep 30 | 6.8 |
| Ep 31 | 7.0 |
| Ep 32 | 6.5 |
| Ep 33 | 6.2 |
| Ep 34 | 5.2 |
| Ep 35 | 6.8 |
| Ep 36 | 7.0 |
| Ep 37 | 6.8 |
| Ep 38 | 6.5 |
| Ep 39 | 7.2 |
| Season Avg | 6.7 |
Ratings Analysis & Trajectory
Across 1 seasons and 39 episodes, Nadia: The Secret of Blue Water has earned an overall series rating of 6.7 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 4 ("Nautilus, The Fantastic Submarine"), rated at an extraordinary 7.2/10 with 4 ratings. Conversely, the lowest-rated installment is Season 1, Episode 34 ("My Darling Nadia"), landing at 5.2/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 33 ("King's Rescue", 6.2) and Episode 34 ("My Darling Nadia", 5.2), a swing of 1 points.
Top 10 Highest Rated Episodes of Nadia: The Secret of Blue Water
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 4 | Nautilus, The Fantastic Submarine | 7.2 | 4 | May 4, 1990 |
| #2 | Season 1, Ep 10 | A Crowning Performance by the Gratan | 7.2 | 4 | Jun 15, 1990 |
| #3 | Season 1, Ep 12 | Grandis and Her First Love | 7.2 | 4 | Jul 6, 1990 |
| #4 | Season 1, Ep 16 | The Mystery of the Lost Continent | 7.2 | 4 | Aug 24, 1990 |
| #5 | Season 1, Ep 21 | Farewell Nautilus | 7.2 | 4 | Oct 26, 1990 |
| #6 | Season 1, Ep 39 | Successor to the Stars | 7.2 | 4 | Apr 12, 1991 |
| #7 | Season 1, Ep 3 | The Riddle of the Giant Sea Monsters | 7.0 | 4 | Apr 27, 1990 |
| #8 | Season 1, Ep 6 | Infiltration of the Secret Base | 7.0 | 4 | May 18, 1990 |
| #9 | Season 1, Ep 11 | New Recruits for the Nautilus | 7.0 | 4 | Jun 22, 1990 |
| #10 | Season 1, Ep 15 | The Nautilus Faces Its Biggest Crisis | 7.0 | 4 | Jul 27, 1990 |