Trailer: 'Doraemon: Nobita and the New Castle of the Undersea Devil' | Far East Films 'Doraemon: Nobita and the New Castle of the Undersea Devil' (映画ドラえもん　新・のび太の海底鬼岩城) is a 2026 Japanese animated adventure directed by Tetsuo Yajima.

Trailer: ‘Doraemon: Nobita and the New Castle of the Undersea Devil’ #DoraemonNobitaAndTheNewCastleOfTheUnderseaDevil #映画ドラえもん新のび太の海底鬼岩城 #JapaneseFilm #Trailer #TetsuoYajima #WasabiMizuta #MegumiOhara #YumiKakazu #SubaruKimura