

Episode 15: “The Nautilus Faces Its Biggest Crisis”
- 15 of 39
- July 27, 1990
- 25 min
- Aired
From Acino, the anime encyclopedia
| Series | Nadia: The Secret of Blue Water |
|---|---|
| Episode | 15 of 39 |
| Original air date | July 27, 1990 |
| Episode length | 25 min |
| Studio | Gainax, Group TAC |
| Previous episode | Episode 14: “The Valley of Dinicthys” |
| Next episode | Episode 16: “The Mystery of the Lost Continent” |
| Streaming | Hulu, HIDIVE |
“The Nautilus Faces Its Biggest Crisis” is episode 15 of the anime Nadia: The Secret of Blue Water. It first aired on July 27, 1990.
Summary
A summary of this episode has not been written yet.
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Episode guide
About the series

Nadia: The Secret of Blue WaterTV series · 1990 · 39 episodes · Gainax · ★ 7.52
Nadia: The Secret of Blue Water is a 1990 Japanese original anime television series created by Mahiro Maeda. It is animated by Gainax and Group TAC. It aired from April 13, 1990 to April 12, 1991, with 39 episodes.
Read the article →References
- “Nadia: The Secret of Blue Water”. Kitsu. Retrieved October 22, 2026.
- “Fushigi no Umi no Nadia”. MyAnimeList. Retrieved October 27, 2026.
Episode titles and air dates come from Kitsu. The summary is written by Acino with AI assistance and checked so that it does not copy other sites.