The latest upcoming movie Doraemon the Movie: Nobita and the New Castle of the Undersea Devil published a new main trailer today, alongside revealing the official theme song performers for the film. In the movie, sumika will perform the official theme song, titled “Honto”, which is sampled in the trailers below. Doraemon the Movie: Nobita and the New Castle of the Undersea Devil is scheduled to release in Japan on February 27, 2026. Doraemon: Nobita and the New Castle of the Undersea Devil Main Trailer RELATED: Doraemon: Nobita and the New Castle of the Undersea Devil Anime Film Reveals Key Visual, Setting Art The Doraemon TV anime and film series are based on the original manga by Fujiko F. Fujio. Tetsuo Yajima directs Doraemon the Movie: Nobita and the New Castle of the Undersea Devil with a script by Isao Murayama. As the 45th film in the series, it is a remake of the 1983 Nobita and the Castle of the Undersea Devil , where Doraemon, Nobita and the rest of the gang visit the undersea kingdoms of Mu and Atlantis. Source : Comic Natalie
