Nadia: The Secret of Blue Water poster

TV series

Nadia: The Secret of Blue Water

1990TV-141 season7.4 / 10

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.

Availability

Not streaming in United States

Nadia: The Secret of Blue Water premiered April 13, 1990. We don't have a confirmed streaming, rental or purchase option yet.

Synopsis

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.

Season 1 episodes

Choose an episode, then use the watch options above for the show.

Episode 1

Girl at the Eiffel Tower

25m6.6 / 10

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...

Episode credits

Directed by Yuu KouWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 2

The Little Fugitive

25m6.2 / 10

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....

Episode credits

Directed by Shoichi MasuoWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 3

The Riddle of the Giant Sea Monsters

25m7.0 / 10

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....

Episode credits

Directed by MasayukiWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 4

Nautilus, The Fantastic Submarine

25m7.2 / 10

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.

Episode credits

Directed by Yoshitomo YonetaniWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 5

Marie's Island

25m6.8 / 10

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.

Episode credits

Directed by Koji MasunariWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 6

Infiltration of the Secret Base

25m7.0 / 10

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.

Episode credits

Directed by Takeshi MoriWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 7

The Tower of Babel

25m6.5 / 10

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!

Episode credits

Directed by Hiroyuki SasakiWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 8

Mission to Rescue Nadia

25m6.8 / 10

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....

Episode credits

Directed by Takeshi MoriWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 9

Nemo's Secret

25m6.8 / 10

Jean, Nadia, Marie, and King are taken aboard the Nautilus with their new enemies-turned allies, Grandis, Sanson, and Hanson. Technophiles Jean and Hanson are thrilled to be aboard the Nautilus. Grandis becomes dangerously smitten with Captain Nemo, much to Sanson's consternation. Nadia, meanwhile, is very suspicious about the submarine and its crew, particularly Nemo, who reacts with surprise upon seeing her for the first time....

Episode credits

Directed by Yukio SuzukiWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 10

A Crowning Performance by the Gratan

25m7.2 / 10

In pursuit of Gargoyle, the Nautilus becomes trapped in a dangerous underwater mine field. Sanson and Hanson jump aboard the Gratan to clear the mines before they detonate. Jean sneaks on to help the two men....

Episode credits

Directed by Jun KamiyaWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 11

New Recruits for the Nautilus

25m7.0 / 10

Nemo and Electra appoint Jean, Nadia, and the others to new positions on the Nautilus. Jean is permitted access to Electra's library of books so that he can learn how to use the knowledge for mankind's benefit; simultaneously, he, Sanson, and Hanson are given a tour of the Nautilus. Marie and King, meanwhile, are reduced to schooling from Electra, much to their dismay. Grandis and Nadia are assigned to cook in the kitchen. An intense rivalry is ignited between Electra and Grandis as they compete over Nemo's love. Finally, Jean discovers the source of the Nautilus's power, and is quite disturbed when Nemo tells him that the vessel is a killing machine....

Episode credits

Directed by Hiroyuki SasakiWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 12

Grandis and Her First Love

25m7.2 / 10

When the Nautilus docks on an island to reestablish supplies, Nadia bonds with Grandis when the latter tells her how the first man she fell in love with turned out to be a treacherous cad.

Episode credits

Directed by Toshiyuki KubookaWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 13

Run, Marie, Run!

25m6.5 / 10

Marie and King run off to explore the island, when they find themselves both lost and pursued by Gargoyle's soldiers. Sanson comes to their rescue.

Episode credits

Directed by Takeshi MoriWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 14

The Valley of Dinicthys

25m6.5 / 10

Marie and Nadia become sick from a dangerously fatal tropical fever. To save them from death, Nemo charts course for an underground reef, where he takes Jean, Sanson, and Hanson on a quest to find the cure. Coming back, however, they have to deal with a territorial, eel-like Dinicthys....

Episode credits

Directed by Yukio SuzukiWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 15

The Nautilus Faces Its Biggest Crisis

25m7.0 / 10

Captain Nemo's vessel falls into yet another deadly trap set by Gargoyle--one which involves the Garfish and a surprise attack from American battleships. The subsequent damage costs the lives of several sailors--including a friendly young engineer named Ensign Fait. Jean, who had become friends with Fait, is horrified and devastated to witness someone being killed by the technology he had so strongly idealized with.

Episode credits

Directed by Yukio SuzukiWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 16

The Mystery of the Lost Continent

25m7.2 / 10

The victims of Gargoyle's latest attack are taken to the long-forgotten underworld of Atlantis to be buried. While there, Jean discovers that his father's ship was sunk by the Garfish. Nadia also learns that she must keep the Blue Water at all costs, no matter what pain or damage it may cause.

Episode credits

Directed by Takeshi MoriWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 17

Jean's New Invention

25m6.8 / 10

Jean is tired of being treated like a child by the Nautilus crew. Hoping to cheer him up, Nadia suggests Jean to build another aircraft. Inspired, he sets off to do just that. At first he is determined to construct the new helicopter by himself, but then realizes he still needs the support of some grown-ups. With Hanson's help, Jean completes the craft and takes Nadia on a very delightful test flight. While airborne, Jean promises that he will one day take Nadia to Africa....

Episode credits

Directed by Takeshi MoriWritten by Hisao Ohkawa

Where to watch Nadia: The Secret of Blue Water

Episode 18

Nautilus vs. Nautilus

25m6.8 / 10

En route to Captain Nemo's home base of Antarctica, the Nautilus finds itself attacked by a territorial Nautilus shellfish.

Episode credits

Directed by Shigeto MakinoWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 19

Nemo's Best Friend

25m6.5 / 10

Nemo takes Jean and Nadia on a tour of his secret base, where he introduces the children to his closest friend, a talking whale named Irion, who hints at Nadia's responsibility to hold the Blue Water.

Episode credits

Directed by Renji KawabataWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 20

Jean Makes a Mistake

25m7.0 / 10

Jean's latest invention goes disastrously wrong and accidentally alerts the Garfish to attention. Nadia's detestation of Nemo and jealousy of Jean's friendship with Electra dangerously intensifies--until she finally learns that the Nautilus is merely fighting to destroy Gargoyle and that Electra poses no threat to Nadia's relationship with Jean. During all this, Gargoyle is informed of the Nautilus's prescence and devises to set yet another deadly trap....

Episode credits

Directed by Takeshi MoriWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 21

Farewell Nautilus

25m7.2 / 10

The Nautilus is ensnared by Gargoyle's super powerful SeaNet magnet. In the fight that follows, Grandis, Sanson and Hanson escape on the Gratan (to help free Nemo and the others from Gargoyle's battleship). The battle culminates with the badly damaged Nautilus plummeting into the sea....

Episode credits

Directed by Fumihiko TakayamaWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 22

Electra the Traitor

25m7.0 / 10

After relocating Jean, Nadia, Marie, and King to his personal quarters (which he will later jettison from the doomed Nautilus), Nemo finds Electra holding a gun on him. In an extended flashback sequence, Electra reveals her tormented past, her complicated feelings for the captain... and a horrifying connection between Nadia and Nemo.

Episode credits

Directed by Yuu KouWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 23

Young Drifters

25m6.5 / 10

Jean, Nadia, Marie, and King are shipwrecked on a deserted island. They decide to make it their home for a while.

Episode credits

Directed by Takeshi Mori, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 24

Lincoln Island

25m6.8 / 10

Now that they are settled into their new island home (which they dub "Lincoln Island", Jean uses his knowledge and technology to bring a little civilization. Nadia, on the other hand, wants to live with nature... only to discover that doing so is a lot harder than she ever dreamed of.

Episode credits

Directed by Shigeto Makino, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 25

The First Kiss

25m6.8 / 10

As a result of Nadia's foolishness, the children only have meat for food. This infuriates Nadia so much that she declares to starve... until she becomes desperate to eat a can of rotten spinach, getting sick. Jean sets off to find a cure, only to become intoxicated by hallucinogetic mushrooms(!). Overwhelmingly grateful, and stupidly unaware that Jean is not himself, she gives him his first real kiss....

Episode credits

Directed by Shigeki Awai, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 26

King, the Lonely Lion

25m6.5 / 10

King gets jealous of Jean and Nadia becoming more intimate and runs away. Jean sets off to find him... but not before Nadia goes ballastic upon realizing that he does not remember the kiss she gave him (he had been stoned from the hallucinogetic mushrooms).

Episode credits

Directed by Renji Kawabata, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 27

The Island of the Witch

25m5.8 / 10

After surviving a typhoon, Jean, Nadia, Marie, and King discover another island drifting mysteriously toward them. Exploring it, the children find Ayerton, a flaky scientist who they met on the battleship in Episode 3.

Episode credits

Directed by Tadayuki Uda, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 28

The Floating Island

25m6.0 / 10

Jean, Nadia, Marie, and King are reunited with Grandis, Sanson, and Hanson. Together they all decide to live as a family on the new island, which Jean theorizes is moving.

Episode credits

Directed by Renji Kawabata, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 29

King vs. King

25m6.2 / 10

A violent row between Sanson and Hanson turns into a race between two mechanical lions resembling King(!).

Episode credits

Directed by Shigeto Makino, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 30

Labyrinth in the Earth

25m6.8 / 10

Four months afterward, the Gratan is nearly repaired, and soon our pals will set off for Africa. But first Jean and Nadia go off on a hike which leads them to a mysterious underground cavern that turns out to be more than they suspected. The exploration culminates when Nadia falls into a trance and vanishes behind a wall, leaving her clothes in Jean's arms! During all this, Ayerton tries to make his move on Grandis.

Episode credits

Directed by Takeshi Mori, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 31

Farewell, Red Noah

25m7.0 / 10

Trapped inside a mysterious chamber, Nadia learns from a disembodied voice that their island home is actually a space satellite, Red Noah--and that she is the heir to the throne of Atlantis as well as not human! Tremors engulf the island as Grandis and the others prepare to set off, but Jean returns to save Nadia.

Episode credits

Directed by Hiromitsu Hoshino, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 32

Nadia's Love

25m6.5 / 10

Having escaped their former island home, our pals crash-land into an African tribal village, where they are instantly captured... until one of its citizens recognizes Nadia.

Episode credits

Directed by Hiromitsu Hoshino, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 33

King's Rescue

25m6.2 / 10

When King gets captured by Grandis' ex-fiancee, our pals set off to save him.

Episode credits

Directed by Renji Kawabata, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 34

My Darling Nadia

25m5.2 / 10

Jean writes a song for Nadia. Actually, our pals burst out into song while various clips from the show play out.

Episode credits

Directed by Tadayuki Uda, Akio Satsukawa, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 35

The Secret of Blue Water

25m6.8 / 10

Finally, our pals arrive at Nadia's real homeland--Tartessos. As they tour through its long forgotten ruins, our heroine finally reveals her darkest secrets... including who she is. How will all this affect her relationships with everyone, especially Jean?

Episode credits

Directed by Mahiro Maeda, Hiromitsu Hoshino, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 36

The New Nautilus

25m7.0 / 10

Gargoyle's battleships appear over Tartessos. To save Jean and the others, Nadia surrenders herself... but not before Jean swears to save her. Forced to flee from Gargoyle's battleships, our pals run into Captain Nemo and his crew, who have survived... and now operate a superpowerful battleship called the New Nautilus.

Episode credits

Directed by Hiromitsu Hoshino, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 37

Emperor Neo

25m6.8 / 10

Gargoyle takes Nadia before the puppet leader of Neo-Atlantis, Emperor Neo, who reveals that he has a strong connection with both Nadia and Nemo. Eight time zones away, Nemo and the others plan to fight Gargoyle in a final duel. Throughout, both Jean and Nadia learn about the origins of the Atlanteans.

Episode credits

Directed by Shigeto Makino, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 38

To the Sky

25m6.5 / 10

The New Nautilus and Gargoyle, now aboard Red Noah, face off in a spectacular duel of pyrotechnics, lasers, and, ultimately, wills. Midway through, both crafts head into outer space. After finally breaking in, Nemo, Jean, and Electra confront Gargoyle, who now has Nadia under his control.

Episode credits

Directed by Masayuki, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode 39

Successor to the Stars

28m7.2 / 10finale

All the pieces fall into place for the final stage of Jean and Nadia's journey around the world, Nemo and Gargoyle's long-standing feud, and the secret behind Nadia's Blue Water pendant. I won't tell you how it ends....

Episode credits

Directed by Takeshi Mori, Shinji HiguchiWritten by Hisao Ohkawa, Yasuo Tanami

Where to watch Nadia: The Secret of Blue Water

Episode information updated Sep 21, 2026

More about Nadia: The Secret of Blue Water

Cast

Noriko HidakaJean Roque Raltique (voice)
Yoshino TakamoriNadia la Arwall (voice)
Toshiharu SakuraiKing / Hanson (voice)
Yuko MizutaniMarie en Carlsberg (voice)
Kumiko TakizawaGrandis Granva (voice)
Kenyu HoriuchiSanson (voice)
Akio OtsukaNemo (voice)
Motomu KiyokawaGargoyle (voice)

Credits

Written by
Hisao Ohkawa, Yasuo Tanami, Hayao Miyazaki, Hisao Ohkawa, Hayao Miyazaki, Hideaki Anno, Jules Verne

Production details

Status
Ended
Series type
Scripted
Episodes
39
Original language
Japanese
Original title
ふしぎの海のナディア

Networks & production

  • NHK GJapan
  • NHKJapan
  • GAINAXJapan
  • NHK EnterprisesJapan
  • KSSJapan
  • TOHOJapan

Themes

ancient aliensanimeatlantisbased on novel or bookcoming of ageconspiracycoproductiondamsel in distress