---
title: "Doraemon the Movie: New Nobita and the Castle of the Undersea Devil"
year: 2026
canonical_url: "https://www.archytele.com/show/doraemon-the-movie-new-nobita-and-the-castle-of-the-undersea-devil-2026"
media_type: "movie"
tmdb_id: 1542261
imdb_id: "tt38201958"
status: "Released"
runtime_minutes: 102
community_rating: 7.3
vote_count: 10
content_rating: "Unrated"
---

# Doraemon the Movie: New Nobita and the Castle of the Undersea Devil (2026) — Television & Cinema Intelligence Dossier

> **Archytele Living Vault Canonical Record**: https://www.archytele.com/show/doraemon-the-movie-new-nobita-and-the-castle-of-the-undersea-devil-2026

## Executive Summary & Cultural Positioning

Doraemon the Movie: New Nobita and the Castle of the Undersea Devil is an animated film featuring the characters Nobita and Doraemon. Doraemon, also known as the robot cat, is the titular deuteragonist of the long-running franchise created by Fujiko F. Fujio. The film follows Nobita and his friends as they discover a secret underwater castle filled with various mysteries and riches. Utilizing an array of high-tech gadgets provided by Doraemon, the group embarks on an aquatic adventure set within a breathtaking underwater world. The narrative emphasizes themes of teamwork, imagination, and humor as the characters navigate their journey. This film is part of the broader Doraemon legacy, which originated with a manga series first serialized in 1969 and has since expanded to include an ongoing anime series and over forty feature films. The characters continue to appear in various media, maintaining their status as familiar figures in the franchise that began with the work of Fujiko F. Fujio.

## The Hook & The Verdict

**The Hook**: "Nobita and friends dive into an underwater castle filled with mysteries and high-tech adventures."

### Why Watch
- Colorful underwater visuals and creative gadget-based storytelling
- Strong themes of friendship and teamwork throughout the adventure

### Caveats & Content Note
- May feel formulaic to series veterans
- Limited character development beyond core group
- Tone & Suitability: Suitable for children with mild adventure themes and no intense content.

**Micro-Themes & Vibe Matrix**: lighthearted, imaginative, adventurous, whimsical, uplifting

## Streaming Availability Matrix

Direct streaming licensing updates dynamically. Consult the live tracking interface at https://www.archytele.com/show/doraemon-the-movie-new-nobita-and-the-castle-of-the-undersea-devil-2026#watch.

## Creative Credits

- **Directed by**: Tetsuo Yajima
- **Networks / Studios**: TOHO, Fujiko Productions, Shogakukan

## Key Cast Continuity

- **Wasabi Mizuta** as *Doraemon (voice)*
- **Megumi Oohara** as *Nobita (voice)*
- **Yumi Kakazu** as *Shizuka (voice)*
- **Subaru Kimura** as *Gian (voice)*
- **Tomokazu Seki** as *Suneo (voice)*
- **Shoya Chiba** as *Eru (voice)*
- **Ryo Hirohashi** as *Underwater Buggy (voice)*

## Canonical Frequently Asked Questions

### Q: Is this movie part of the main Doraemon series?
It follows the same characters and style as the main series.

### Q: What kind of gadgets does Doraemon use?
Various futuristic tools that help solve problems during their underwater adventure.

### Q: Is the movie mostly underwater?
The story takes place primarily in an underwater setting.

### Q: Are there any new characters?
The underwater castle introduces new figures in their adventure.

### Q: Is there a moral or lesson?
The story emphasizes friendship, teamwork, and using creativity to solve problems.

## Grounded Source Citations

- [Doraemon | Doraemon Wiki | Fandom](https://doraemon.fandom.com/wiki/Doraemon)
- [Doraemon - Wikipedia](https://en.wikipedia.org/wiki/Doraemon)
- [Doraemon Season-1 Episode-1. old Doraemon Episode - YouTube](https://www.youtube.com/watch?v=jyCkmiUEz_w)
- [Doraemon (1979) S1 EP02 | Videos & Movies on Vimeo](https://vimeo.com/918914636?msockid=121dce1277c26ae10ab5d99876496b60)
- [The Story of Doraemon | Japan Anime Guide| Japan City Tour](https://japancitytour.com/doraemon/)
- [ドラえもん公式サイト｜ドラえもんチャンネル](https://dora-world.com/)

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*Generated by Archytele Open Intelligence Systems. Data verified against TMDB and JustWatch APIs.*