S01E10: A Crowning Performance by the Gratan

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....

Season 1

Girl at the Eiffel Tower
S1E1 / 13 Apr 1990
The Little Fugitive
S1E2 / 20 Apr 1990
The Riddle of the Giant Sea Monsters
S1E3 / 27 Apr 1990
Nautilus, The Fantastic Submarine
S1E4 / 04 May 1990
Marie's Island
S1E5 / 11 May 1990
Infiltration of the Secret Base
S1E6 / 18 May 1990
The Tower of Babel
S1E7 / 25 May 1990
Mission to Rescue Nadia
S1E8 / 01 Jun 1990
Nemo's Secret
S1E9 / 08 Jun 1990
A Crowning Performance by the Gratan
S1E10 / 15 Jun 1990
New Recruits for the Nautilus
S1E11 / 22 Jun 1990
Grandis and Her First Love
S1E12 / 06 Jul 1990
Run, Marie, Run!
S1E13 / 13 Jul 1990
The Valley of Dinicthys
S1E14 / 20 Jul 1990
The Nautilus Faces Its Biggest Crisis
S1E15 / 27 Jul 1990
The Mystery of the Lost Continent
S1E16 / 24 Aug 1990
Jean's New Invention
S1E17 / 31 Aug 1990
Nautilus vs. Nautilus
S1E18 / 07 Sep 1990
Nemo's Best Friend
S1E19 / 14 Sep 1990
Jean Makes a Mistake
S1E20 / 21 Sep 1990
Farewell Nautilus
S1E21 / 26 Oct 1990
Electra the Traitor
S1E22 / 02 Nov 1990
Young Drifters
S1E23 / 09 Nov 1990
Lincoln Island
S1E24 / 16 Nov 1990
The First Kiss
S1E25 / 30 Nov 1990
King, the Lonely Lion
S1E26 / 07 Dec 1990
The Island of the Witch
S1E27 / 14 Dec 1990
The Floating Island
S1E28 / 21 Dec 1990
King vs. King
S1E29 / 11 Jan 1991
Labyrinth in the Earth
S1E30 / 25 Jan 1991
Farewell, Red Noah
S1E31 / 01 Feb 1991
Nadia's Love
S1E32 / 08 Feb 1991
King's Rescue
S1E33 / 15 Feb 1991
My Darling Nadia
S1E34 / 22 Feb 1991
The Secret of Blue Water
S1E35 / 01 Mar 1991
The New Nautilus
S1E36 / 08 Mar 1991
Emperor Neo
S1E37 / 29 Mar 1991
To the Sky
S1E38 / 05 Apr 1991
Successor to the Stars
S1E39 / 12 Apr 1991

Noriko Hidaka

Jean Roque Raltique (voice)

Yoshino Takamori

Yoshino Takamori

Nadia la Arwall (voice)

Toshiharu Sakurai

Toshiharu Sakurai

King / Hanson (voice)

Yuko Mizutani

Marie en Carlsberg (voice)

Kumiko Takizawa

Kumiko Takizawa

Grandis Granva (voice)

Kenyu Horiuchi

Sanson (voice)

Akio Otsuka

Nemo (voice)

Motomu Kiyokawa

Motomu Kiyokawa

Gargoyle (voice)

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