Nadia: The Secret of Blue Water
Season 1, Episode 3: The Riddle of the Giant Sea Monsters
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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....
All Episodes - Season 1
Episode 1
Girl at the Eiffel Tower
Episode 2
The Little Fugitive
Episode 3
The Riddle of the Giant Sea Monsters
Episode 4
Nautilus, The Fantastic Submarine
Episode 5
Marie's Island
Episode 6
Infiltration of the Secret Base
Episode 7
The Tower of Babel
Episode 8
Mission to Rescue Nadia
Episode 9
Nemo's Secret
Episode 10
A Crowning Performance by the Gratan
Episode 11
New Recruits for the Nautilus
Episode 12
Grandis and Her First Love
Episode 13
Run, Marie, Run!
Episode 14
The Valley of Dinicthys
Episode 15
The Nautilus Faces Its Biggest Crisis
Episode 16
The Mystery of the Lost Continent
Episode 17
Jean's New Invention
Episode 18
Nautilus vs. Nautilus
Episode 19
Nemo's Best Friend
Episode 20
Jean Makes a Mistake
Episode 21
Farewell Nautilus
Episode 22
Electra the Traitor
Episode 23
Young Drifters
Episode 24
Lincoln Island
Episode 25
The First Kiss
Episode 26
King, the Lonely Lion
Episode 27
The Island of the Witch
Episode 28
The Floating Island
Episode 29
King vs. King
Episode 30
Labyrinth in the Earth
Episode 31
Farewell, Red Noah
Episode 32
Nadia's Love
Episode 33
King's Rescue
Episode 34
My Darling Nadia
Episode 35
The Secret of Blue Water
Episode 36
The New Nautilus
Episode 37
Emperor Neo
Episode 38
To the Sky
Episode 39
Successor to the Stars