Movie
The ruler of the underground world, is planning to conquer the whole world. Riding the fire dragon Isamu and Angel, the princess of the undersea kingdom, try to stop him from destorying their world.
Where to Watch
No streaming or digital rental offers currently listed in US. Switch region above to check other catalogs.
Availability data provided by JustWatch via TMDB
Billed Cast
Masako Nozawa
Isamu (voice)
Kurumi Kobato
Angel (voice)
Gorō Naya
King Magma VII (voice)
Akira Hitomi
Tail (voice)
Katsuwo Umino
Octopus (voice)
Yonehiko Kitagawa
Sea King (voice)
Reiko Seno
Isamu's Mother (voice)
Tetsuya Kaji
Isamu's Father (voice)
Ichirô Murakoshi
Captain (voice)
Keiichi Noda
Announcer (voice)
Spoiler-Safe Screening Room
Premiere Discussions & Theories 0
Share reactions, easter eggs, and fan theories with automatic click-to-reveal spoiler shields.
Join the Screening Room
Sign in to post episode reactions, fan theories, and upvote community dispatches.
Loading discussion thread...
Audience Ledger
Community Micro-Reviews
Concise 1-sentence dispatches from DidItDrop members.
No micro-reviews yet — rate 1–4★ above and log the first 1-sentence take.
Double Feature
More Like This
Recommended titles paired with 30,000 Miles Under the Sea.
