Get ready to dive into the underwater kingdoms of Mu and Atlantis! A new key visual for the upcoming Doraemon film Nobita and the New Castle of the Undersea Devil shows more of the film's aquatic world. Plus, two production stills show very different sides of the undersea setting. The newly-released key visual confirms the previously-announced release date of February 27, 2026 for the film. In addition to the main cast, the poster also reveals two new characters: Eru (voiced by Shoya Chiba ) and the Underwater Buggy (voiced by Ryo Hirohashi ). Doraemon the Movie: Nobita and the New Castle of the Undersea Devil Key Visual RELATED: 45th Doraemon Anime Film Revealed as Nobita and the New Castle of the Undersea Devil Want to see more of the film's underwater world? Check out these two images from the production of the film: the first depicting the kingdom of Mu, the second showing stark underwater topography. Doraemon the Movie: Nobita and the New Castle of the Undersea Devil Setting Art RELATED: Doraemon TV Anime Gets New Ending Theme for the First Time in 20 Years Tetsuo Yajima ( Pokémon: Mega Evolution Specials I-IV ) directs the film from a script by Isao Murayama (series composition on Witchy Precure! ). The film is slated for release on February 27, 2026 . Doraemon the Movie: Nobita and the New Castle of the Undersea Devil will be a retelling of the 1983 film Nobita and the Castle of the Undersea Devil ( Doraemon: Nobita no Kaiteiki Ganjo ). In the original film, the cast journeys to the underwater kingdoms of Mu and Atlantis. Source: Comic Natalie
