

Episode 10: “A Crowning Performance by the Gratan”
- 10 of 39
- June 15, 1990
- 25 min
- Aired
From Acino, the anime encyclopedia
| Series | Nadia: The Secret of Blue Water |
|---|---|
| Episode | 10 of 39 |
| Original air date | June 15, 1990 |
| Episode length | 25 min |
| Studio | Gainax, Group TAC |
| Previous episode | Episode 9: “Nemo's Secret” |
| Next episode | Episode 11: “New Recruits for the Nautilus” |
| Streaming | Hulu, HIDIVE |
“A Crowning Performance by the Gratan” is episode 10 of the anime Nadia: The Secret of Blue Water. It first aired on June 15, 1990.
Summary
A summary of this episode has not been written yet.
Where to watch
Streaming services that list Nadia: The Secret of Blue Water. What you can watch depends on your country. Acino does not host any video; each link leads to the service's own page.
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.