1. Girl at the Eiffel Tower
Aired: Apr 13, 1990 Jean, a young inventor who has just arrived in Paris for an aircraft competit...
2. The Little Fugitive
Aired: Apr 20, 1990 Jean is hosting Nadia in his home, showing each invention and fleeing Grandis
3. The Riddle of the Giant Sea Monsters
Aired: Apr 27, 1990 Jean, Nadia, and King are rescued from the ocean by a passing American battle...
4. Nautilus, the Fantastic Submarine
Aired: May 4, 1990 Adrift on the ocean, Jean, Nadia, and King are once again rescued by another ...
5. Marie's Island
Aired: May 11, 1990 While airborne, Jean, Nadia, and King are shot down from the skies and crash-...
6. Infiltration of the Secret Base
Aired: May 18, 1990 Investigating the island, Jean discovers a trail of power lines leading to a ...
7. The Tower of Babel
Aired: May 25, 1990 Captured by the soldiers (also known as the Neo Atlanteans), Nadia is taken b...
8. Mission to Rescue Nadia
Aired: Jun 1, 1990 In an unexpected turn of events, Jean joins forces with the Grandis gang to i...
9. Nemo's Secret
Aired: Jun 8, 1990 The companions are taken aboard the Nautilus by Captain Nemo in gratitude for...
10. A Crowning Performance by the Gratan
Aired: Jun 15, 1990 The Nautilus pursues Gargoyle through the LeMar Straits until it runs into a ...
11. New Recruits for the Nautilus
Aired: Jun 22, 1990 Jean, Nadia, and the others are appointed as apprentice crew members aboard t...
12. Grandis and Her First Love
Aired: Jul 6, 1990 The Nautilus stops by an island for shore leave to take on new supplies. Humo...
13. Run, Marie! Run!
Aired: Jul 13, 1990 Nadia is still angry with everyone over eating the deer, turning a deaf ear t...
14. The Valley of Dinicthys
Aired: Jul 20, 1990 As the Nautilus resumes its pursuit of Gargoyle, both Marie and Nadia become ...
15. The Nautilus Faces Its Biggest Crisis
Aired: Jul 27, 1990 Several days later, the Nautilus falls into an even deadlier trap. First, min...
16. The Mystery of the Lost Continent
Aired: Aug 24, 1990 To honor their fallen comrades, the Nautilus sets course for the underwater g...
17. Jean's New Invention
Aired: Aug 31, 1990 Jean feels like the Nautilus crew is treating him like a kid and becomes eage...
18. Nautilus vs. Nautilus
Aired: Sep 7, 1990 To repair the damage caused by the last attack from Gargoyle, Captain Nemo or...
19. Nemo's Best Friend
Aired: Sep 14, 1990 While repairs are made to the Nautilus, Nemo takes Jean and Nadia on a tour o...
20. Jean Makes a Mistake
Aired: Sep 21, 1990 Jean constructs another invention -- a miniature glider powered by a rocket f...
21. Farewell Nautilus
Aired: Oct 26, 1990 Trapped in the Kermodec Trench by Gargoyle, the Nautilus barely survives a to...
22. Electra the Traitor
Aired: Nov 1, 1990 To save themselves from being totally destroyed by the remaining Garfish flee...
23. Young Drifters
Aired: Nov 8, 1990 Jean, Nadia, Marie, and King are shipwrecked and washed ashore on a beach tha...
24. Lincoln Island
Aired: Nov 15, 1990 Nadia rudely awakens Jean and Marie and takes charge, naming their new home "...
25. The First Kiss
Aired: Nov 29, 1990 Because Nadia has stolen food from their camp, all they have left to eat is m...
26. King, the Lonely Lion
Aired: Dec 6, 1990 Nadia spends a whole day being romantic with Jean, culminating with another k...
27. The Island of the Witch
Aired: Dec 13, 1990 A typhoon strikes Lincoln Island, and King is blown away into the night. In t...
28. The Floating Island
Aired: Dec 20, 1990 giant appears out of nowhere and terrorizes the companions. which turns out t...
29. King vs. King
Aired: Jan 10, 1991 Sanson and Hanson get into an argument that turns into a race between two mec...
30. Labyrinth in the Earth
Aired: Jan 24, 1991 Four months later, the Gratan has finally been repaired and the companions wi...
31. Farewell, Red Noah
Aired: Jan 31, 1991 Trapped in a strange void, Nadia comes into contact with a mysterious voice w...
32. Nadia's Love...?
Aired: Feb 7, 1991 The Gratan crash-lands into a tribal village, and the companions are captured...
33. King's Rescue
Aired: Feb 14, 1991 King is captured by Grandis' ex-fiance, and the companions form a rescue oper...
34. My Darling Nadia
Aired: Feb 21, 1991 Most of this episode is a "clip show" featuring "image songs" accompanied by ...
35. The Secret of Blue Water
Aired: Feb 28, 1991 Finally, the companions arrive at Tartessos, the ancient kingdom of Atlantis ...
36. The New Nautilus
Aired: Mar 7, 1991 he companions to Tartessos. Nadia surrenders herself and the Blue Water to Ga...
37. Emperor Neo
Aired: Mar 28, 1991 Nadia is brought aboard Red Noah again, this time as it hovers in the sky, dw...
38. To the Sky
Aired: Apr 4, 1991 Both Red Noah and New Nautilus exchange laser fire and turret blasts in the s...
39. Successor to the Stars
Aired: Apr 12, 1991 Inside "Red Noah" Gurgoile threatens Captain Nemo, Electra and Jean. When Cap...