Nadia: The Secret of Blue Water Facts, FAQ & Common Questions
1990 · NHK G · Status: Ended · Rated: TV-14
Frequently Asked Questions About Nadia: The Secret of Blue Water
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does Nadia: The Secret of Blue Water have?
Nadia: The Secret of Blue Water has 1 season and 39 total episodes, spanning from its premiere on April 13, 1990 to April 12, 1991.
Is Nadia: The Secret of Blue Water renewed, ended, or canceled?
Nadia: The Secret of Blue Water has concluded its run and is officially ended.
How long does it take to binge watch Nadia: The Secret of Blue Water?
It takes 16h 18m (978 minutes) to watch the complete run of Nadia: The Secret of Blue Water. At a standard pace of 2 hours per day, you will finish the entire series in approximately 9 days. Possible with dedication! Finishing this 16.3-hour series over Saturday and Sunday requires around 8.2 hours of viewing each day.
What is the highest-rated episode of Nadia: The Secret of Blue Water?
The highest-rated episode is Season 1, Episode 4 ("Nautilus, The Fantastic Submarine"), which holds an outstanding rating of 7.2/10 based on 4 audience ratings.
Where can you stream or watch Nadia: The Secret of Blue Water?
Nadia: The Secret of Blue Water is available for streaming on Retrocrush, RetroCrush Amazon Channel. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for Nadia: The Secret of Blue Water?
Nadia: The Secret of Blue Water has an official content rating of TV-14.
Who are the lead actors in Nadia: The Secret of Blue Water?
The primary ensemble cast includes Noriko Hidaka as Jean Roque Raltique (voice) (age 64), Yoshino Takamori as Nadia la Arwall (voice) (age 62), Toshiharu Sakurai as King / Hanson (voice) (age 62), Yuko Mizutani as Marie en Carlsberg (voice) (age 51 (deceased)).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Noriko Hidaka | Jean Roque Raltique (voice) | 64 |
| Yoshino Takamori | Nadia la Arwall (voice) | 62 |
| Toshiharu Sakurai | King / Hanson (voice) | 62 |
| Yuko Mizutani | Marie en Carlsberg (voice) | 51 (deceased) |
| Kumiko Takizawa | Grandis Granva (voice) | 69 (deceased) |
| Kenyu Horiuchi | Sanson (voice) | 69 |
| Akio Otsuka | Nemo (voice) | 66 |
| Motomu Kiyokawa | Gargoyle (voice) | 87 (deceased) |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for Nadia: The Secret of Blue Water are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.