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.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Girl at the Eiffel Tower | 1990-04-13 | 25 min |
| Season 1 | Episode 2 | The Little Fugitive | 1990-04-20 | 25 min |
| Season 1 | Episode 3 | The Riddle of the Giant Sea Monsters | 1990-04-27 | 25 min |
| Season 1 | Episode 4 | Nautilus, The Fantastic Submarine | 1990-05-04 | 25 min |
| Season 1 | Episode 5 | Marie's Island | 1990-05-11 | 25 min |
| Season 1 | Episode 6 | Infiltration of the Secret Base | 1990-05-18 | 25 min |
| Season 1 | Episode 7 | The Tower of Babel | 1990-05-25 | 25 min |
| Season 1 | Episode 8 | Mission to Rescue Nadia | 1990-06-01 | 25 min |
| Season 1 | Episode 9 | Nemo's Secret | 1990-06-08 | 25 min |
| Season 1 | Episode 10 | A Crowning Performance by the Gratan | 1990-06-15 | 25 min |
| Season 1 | Episode 11 | New Recruits for the Nautilus | 1990-06-22 | 25 min |
| Season 1 | Episode 12 | Grandis and Her First Love | 1990-07-06 | 25 min |
| Season 1 | Episode 13 | Run, Marie, Run! | 1990-07-13 | 25 min |
| Season 1 | Episode 14 | The Valley of Dinicthys | 1990-07-20 | 25 min |
| Season 1 | Episode 15 | The Nautilus Faces Its Biggest Crisis | 1990-07-27 | 25 min |
| Season 1 | Episode 16 | The Mystery of the Lost Continent | 1990-08-24 | 25 min |
| Season 1 | Episode 17 | Jean's New Invention | 1990-08-31 | 25 min |
| Season 1 | Episode 18 | Nautilus vs. Nautilus | 1990-09-07 | 25 min |
| Season 1 | Episode 19 | Nemo's Best Friend | 1990-09-14 | 25 min |
| Season 1 | Episode 20 | Jean Makes a Mistake | 1990-09-21 | 25 min |
| Season 1 | Episode 21 | Farewell Nautilus | 1990-10-26 | 25 min |
| Season 1 | Episode 22 | Electra the Traitor | 1990-11-02 | 25 min |
| Season 1 | Episode 23 | Young Drifters | 1990-11-09 | 25 min |
| Season 1 | Episode 24 | Lincoln Island | 1990-11-16 | 25 min |
| Season 1 | Episode 25 | The First Kiss | 1990-11-30 | 25 min |
| Season 1 | Episode 26 | King, the Lonely Lion | 1990-12-07 | 25 min |
| Season 1 | Episode 27 | The Island of the Witch | 1990-12-14 | 25 min |
| Season 1 | Episode 28 | The Floating Island | 1990-12-21 | 25 min |
| Season 1 | Episode 29 | King vs. King | 1991-01-11 | 25 min |
| Season 1 | Episode 30 | Labyrinth in the Earth | 1991-01-25 | 25 min |
| Season 1 | Episode 31 | Farewell, Red Noah | 1991-02-01 | 25 min |
| Season 1 | Episode 32 | Nadia's Love | 1991-02-08 | 25 min |
| Season 1 | Episode 33 | King's Rescue | 1991-02-15 | 25 min |
| Season 1 | Episode 34 | My Darling Nadia | 1991-02-22 | 25 min |
| Season 1 | Episode 35 | The Secret of Blue Water | 1991-03-01 | 25 min |
| Season 1 | Episode 36 | The New Nautilus | 1991-03-08 | 25 min |
| Season 1 | Episode 37 | Emperor Neo | 1991-03-29 | 25 min |
| Season 1 | Episode 38 | To the Sky | 1991-04-05 | 25 min |
| Season 1 | Episode 39 | Successor to the Stars | 1991-04-12 | 25 min |
| Visual Effects | Yoshiyuki Sadamoto | Character Designer |
| Directing | Hideaki Anno | Series Director |
| Writing | Hisao Ohkawa | Series Composition |
| Sound | Shiro Sagisu | Original Music Composer |
| Directing | Hideaki Anno | Director |
| Directing | Yoshiyuki Sadamoto | Director |
| Writing | Jules Verne | Novel |
| Writing | Hideaki Anno | Story |
| Writing | Hayao Miyazaki | Story |
