Nadia: The Secret of Blue Water
ふしぎの海のナディア
We checked 8 streaming services in India on 04 Jun 2026 at 15:30 IST
About
In mankind's grasp for the future, a sinister foe known only as Gargoyle begins his plans to take over the world. Nadia, with the help of a young inventor, Jean Ratlique, and Captain Nemo of the submarine Nautilus, must fight to save the world from Gargoyle and Neo-Atlantis.
Cast
Noriko Hidaka
as Jean Roque Raltique (voice)
Yoshino Takamori
as Nadia la Arwall (voice)
Toshiharu Sakurai
as King / Hanson (voice)
Yuko Mizutani
as Marie en Carlsberg (voice)
Kumiko Takizawa
as Grandis Granva (voice)
Kenyu Horiuchi
as Sanson (voice)
Akio Otsuka
as Nemo (voice)
Motomu Kiyokawa
as Gargoyle (voice)
Kikuko Inoue
as Electra (voice)
Chikao Ohtsuka
as Giger (voice)
Hiroshi Masuoka
as Jean's Uncle (voice)
Hitoshi Takagi
as Irion (voice)
Kaneto Shiozawa
as Emperor Neo (voice)
Kappei Yamaguchi
as Hamahama (voice)
Tamio Ohki
as Doctor Woolar (voice)
Teiji Ōmiya
as Captain Mayville (voice)
Toshihiko Seki
as Fejto (voice)
Tsukasa Itou
as Fuzzy (voice)
Koichi Yamadera
as Ayerton (voice)
Episodes
Season 1
Girl at the Eiffel Tower
Jean, a 14-year-old orphan, sailing into Paris to help his uncle design an airplane for the Paris Exposition's flight competition meets a pretty young girl named Nadia and her pet lion cub, King. He ends up rescuing her from a woman named Grandis who is trying to get Nadia's jewel, the Blue Water. Nadia leaves the only home she ever knew - a circus - as Jean has offered to help her search for her place of origin, starting with the random choice of Africa...
The Little Fugitive
With Grandis and her two accomplices, Sanson and Hanson, in pursuit, Jean takes Nadia back to his home in LeHarve. His grumpy aunt refuses to take Nadia in, but Jean lets Nadia stay at his own house. The following day, Jean and Nadia set off for Africa in one of his aeroplanes. They do not get far, however, when Jean's invention fails and falls into the sea....
The Riddle of the Giant Sea Monsters
Jean, Nadia, and King are rescued by an American battleship in pursuit of sea monsters, who have apparently been responsible for sinking ships. That night, the battleship is attacked, and Jean, Nadia, and King are thrown overboard....
Nautilus, The Fantastic Submarine
Jean, Nadia, and King are rescued by another vessel--an impressive and mysterious submarine known as the Nautilus (and yes, the captain's name is Nemo). Here, they learn from Nemo's pretty first officer, a young woman named Electra, that the vessel is in pursuit of a sinister enemy. After an unsuccessful attack against the deadly submarine Garfish, the Nautilus repairs Jean's sea plane, and the children take off for another adventure.
Marie's Island
Jean, Nadia, and King are shot down over a strange island where they find themselves outrunning a squadron of sinister masked soldiers. In their struggle to survive, they find an orphan girl, Marie, who lost her parents to the soldiers.
Infiltration of the Secret Base
Marie and King are captured by the soldiers, so Jean and Nadia set off to a forbidding looking area to save them. Their rescue mission leads the pair to the base of the soldiers, who call themselves Neo-Atlantis, and their evil commander, Gargoyle, wants Nadia and her Blue Water at all costs.
The Tower of Babel
Imprisoned by the wicked Gargoyle, Nadia is forced to admit that she gave her Blue Water to Jean before turning herself in (to save Marie and King from a horrible fate). As the search for Jean is on, the boy desperately tries to find her. Simultaneously, Grandis, Sanson, and Hanson, who have also been imprisoned by the soldiers, break out of their prison cell and attempt to escape. While Gargoyle tours Nadia around his base, he showcases Neo-Atlantis's secret weapon, a tower known as Babel with the power to obliterate an entire island!
Mission to Rescue Nadia
In a surprising turn of events, Grandis and her boys join forces with Jean to save Nadia, Marie, and King from Gargoyle. Their escape attempt nearly backfires, until the Nautilus shows up to save them....
Where does Nadia: The Secret of Blue Water rank today?
Nadia: The Secret of Blue Water is #456 on the Bowood.TV Daily Streaming Charts today.
- Highest: #456
- Top 10: 0 days
- Top 100: 0 days
Watch Nadia: The Secret of Blue Water Online Free — All Episodes in HD
Stream Nadia: The Secret of Blue Water online free in HD on Bowood.TV. A well-rated animation, action & adventure, sci-fi & fantasy, drama, and family series originally produced in Japanese and released in 1990, it's earned a solid 7.5/10 from 92 viewers worldwide.
About Nadia: The Secret of Blue Water
In mankind's grasp for the future, a sinister foe known only as Gargoyle begins his plans to take over the world. Nadia, with the help of a young inventor, Jean Ratlique, and Captain Nemo of the submarine Nautilus, must fight to save the world from Gargoyle and Neo-Atlantis. Across 1 season and 39 episodes, originally airing on NHK G.
Nadia: The Secret of Blue Water Cast and Characters
The cast features Noriko Hidaka (as Jean Roque Raltique (voice)), Yoshino Takamori (as Nadia la Arwall (voice)), Toshiharu Sakurai (as King / Hanson (voice)), Yuko Mizutani (as Marie en Carlsberg (voice)), and Kumiko Takizawa (as Grandis Granva (voice)). Their performances are a major reason Nadia: The Secret of Blue Water has built such a passionate audience.
Where to Watch Nadia: The Secret of Blue Water Online
On Bowood.TV you can watch Nadia: The Secret of Blue Water free — no account, no credit card, no ads in the middle of the show. We stream the full series in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch Nadia: The Secret of Blue Water NowWhy People Are Watching Nadia: The Secret of Blue Water
There's a reason Nadia: The Secret of Blue Water keeps showing up on "must-watch" lists. What makes it work is emotional weight that hits where it counts, action sequences that don't feel cheap, and world-building that respects the audience's intelligence. If you enjoy Japanese storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Nadia: The Secret of Blue Water
Where can I watch Nadia: The Secret of Blue Water online for free?
You can watch Nadia: The Secret of Blue Water online free on Bowood.TV. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Nadia: The Secret of Blue Water have?
Nadia: The Secret of Blue Water has 39 episodes across 1 season. All episodes are available to stream right here on Bowood.TV.
Is Nadia: The Secret of Blue Water good? What's the rating?
Nadia: The Secret of Blue Water holds a 7.5/10 rating based on 92 reviews — well above average.
Who is in the cast of Nadia: The Secret of Blue Water?
The main cast includes Noriko Hidaka, Yoshino Takamori, Toshiharu Sakurai, and Yuko Mizutani, plus a strong supporting ensemble.
Is Nadia: The Secret of Blue Water available in Japanese?
Yes — Nadia: The Secret of Blue Water was originally produced in Japanese and that's the version you'll stream here on Bowood.TV. English subtitles are provided when available.
When was Nadia: The Secret of Blue Water released?
Nadia: The Secret of Blue Water first aired in 1990.
Do I need an account to watch Nadia: The Secret of Blue Water on Bowood.TV?
No. Bowood.TV is free and you can watch Nadia: The Secret of Blue Water without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Where can I watch Nadia: The Secret of Blue Water for free?
You can watch Nadia: The Secret of Blue Water online for free on Bowood.TV. All 39 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Nadia: The Secret of Blue Water have?
Nadia: The Secret of Blue Water currently has 1 season and a total of 39 episodes. The series status is "Ended", so the episode count may grow as new seasons are released. You can browse the full episode list on Bowood.TV and continue watching from where you left off.
What is Nadia: The Secret of Blue Water about?
In mankind's grasp for the future, a sinister foe known only as Gargoyle begins his plans to take over the world. Nadia, with the help of a young inventor, Jean Ratlique, and Captain Nemo of the submarine Nautilus, must fight to save the world from Gargoyle and Neo-Atlantis. It belongs to the Animation, Action & Adventure, Sci-Fi & Fantasy, Drama, Family genres.
In which language is Nadia: The Secret of Blue Water originally available?
Nadia: The Secret of Blue Water was originally produced in JA. On Bowood.TV the show is available in its original JA audio. Check the player options on the watch page for available subtitle tracks.
When was Nadia: The Secret of Blue Water first released?
Nadia: The Secret of Blue Water first premiered on April 13, 1990 (1990). The series has since concluded its run.
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