

Doraemon the Movie: New Nobita and the Castle of the Undersea Devil (2026) is a Japanese-language animated fantasy adventure film and the 45th feature in the beloved Doraemon movie series, produced by Shin-Ei Animation and distributed by Toho. Directed by Tetsuo Yajima with a screenplay by Isao Murayama, this 2026 theatrical release is a modern remake of the classic 1983 Doraemon film, bringing a rich underwater adventure to life for new and longtime fans alike. It is set to premiere in Japanese cinemas on February 27, 2026.
In this exciting reimagining, Doraemon, Nobita, and their friends embark on a thrilling expedition far beneath the ocean’s surface. The story takes them to mysterious underwater realms including the legendary kingdom of Mu and the enigmatic Undersea Devil’s Castle where unseen wonders and ancient secrets await.
Along the way, the group encounters strange marine creatures, overcomes daunting challenges, and learns the value of courage, friendship, and teamwork.
This updated adventure revisits the spirit of the original 1983 film Doraemon: Nobita and the Castle of the Undersea Devil with modern animation and storytelling, inviting audiences to explore a vast underwater world filled with danger, wonder, and heart-pounding moments.