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2026 Doraemon Film Remakes Nobita and the Castle of the Undersea Devil
posted on by Egan Loo
A website opened on Saturday to announce the 2026 Doraemon film, Eiga Doraemon: Shin Nobita no Kaitei Kiganjō (Doraemon the Movie: New Nobita and the Castle of the Undersea Devil). As the title indicates, this 45th 2D anime film (not counting the 3D CG Stand By Me Doraemon films) remakes the classic 1983 film Doraemon the Movie: Nobita and the Castle of the Undersea Devil.
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— 【ドラえもん公式】ドラえもんチャンネル (@doraemonChannel) September 6, 2025
最新作 2026年公開決定!
『映画ドラえもん 新・のび太の海底鬼岩城』
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#映画ドラえもん 最新作の
特報映像が到着したよ♪
1983年に公開され、
世代を超えて愛されてきた名作が、新たな感動を紡ぎます!
公開をお楽しみに✨
🎬𝟐𝟎𝟐𝟔年公開https://t.co/424Ccq4YIp pic.twitter.com/YwWDq8TQJe

The tagline on the teaser visual reads, "10,000 meters below sea level. On this Earth, there lies a world no one has yet to uncover."
Tetsuo Yajima (Pokémon the Movie: Secrets of the Jungle, Pokémon the Movie: The Power of Us, Pokémon XY) returns after directing episodes of the Doraemon television anime and contributing in other capacities to Doraemon the Movie: Nobita's New Great Adventure into the Underworld, Doraemon the Movie: Nobita and the Steel Troops: The New Age, and Eiga Doraemon: Nobita no Chikyū Symphony. Another veteran of the television anime, Isao Murayama (Witchy Precure!, Star Twinkle Precure, Bakugan) wrote the new film's screenplay.
Sources: Doraemon the Movie: New Nobita and the Castle of the Undersea Devil's website, Comic Natalie