TL;DR : A new Doraemon movie coming in 2026 remakes the 1983 undersea adventure. Nobita and his friends explore a hidden underwater world, discover the secret kingdom of Mu, and stop a robot-run Atlantis from launching nuclear weapons. The film uses modern animation, keeps the original story, and features a new theme song by sumika.
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MAIN POINTS
What the Movie Is
- The film is titled Doraemon: Shin Nobita no Kaitei Kiganjo (English: Doraemon: Nobita and the New Castle of the Undersea Devil)
- Releasing in Japan on February 27, 2026.
- It is the 45th Doraemon feature film and a remake of the 1983 movie “Doraemon: Nobita and the Castle of the Undersea Devil.”
Story Overview
- Nobita and friends go on an underwater camping trip using Doraemon’s gadgets such as the Underwater Buggy and Adaptation Light.
- They discover the secret underwater kingdom of Mu, whose residents want to stay hidden from humans.
- The group learns that robot-controlled Atlantis, led by the supercomputer Poseidon, plans to launch nuclear missiles after mistaking volcanic activity for an attack.
- Nobita and his friends travel to Atlantis, destroy Poseidon, and prevent the catastrophe before returning safely.
Production and Updates
- Director: Tetsuo Yajima (first full Doraemon feature).
- Screenplay: Isao Murayama; Music: Takayuki Hattori.
- Theme Song: “Honto” by sumika.
- The movie uses modern 2D animation with CGI-enhanced underwater scenes, improving visuals over the 1983 version.
Voice Cast by Language
Character | Japanese Voice Actor | English Voice Actor (general) | Hindi Voice Actor |
Doraemon | Wasabi Mizuta | Mona Marshall (typical) | Sonal Kaushal / Sumriddhhi Shukla |
Nobita Nobi | Megumi Ōhara | (Not officially announced) | Akanksha Sharma |
Shizuka Minamoto | Yumi Kakazu | (Not officially announced) | Parul Bhatnagar |
Takeshi "Gian" Goda | Subaru Kimura | (Not officially announced) | Deepansh Kakkar |
Suneo Honekawa | Tomokazu Seki | (Not officially announced) | Wajahat-ul-Hasan |
Eru (new character) | Shōya Chiba | (Not officially announced) | Not specified |
Underwater Buggy (character) | Ryō Hirohashi | (Not officially announced) | Not specified |
Release Context
- Premieres in Japan on February 27, 2026.
- No international release dates announced yet.
- Part of the Doraemon franchise's annual film tradition, following the 2025 movie “Nobita’s Art World Tales.”
- Expected to draw attention for its updated visuals, classic story, and deep-sea adventure themes.