Doraemon's Classic Underwater Adventure Reimagined for 2026 Film Release

Prepare for an exhilarating dive into nostalgia and innovation as the highly anticipated 45th Doraemon film, officially titled 'Eiga Doraemon: Shin Nobita no Kaitei Kiganjō' (Doraemon the Movie: New Nobita and the Castle of the Undersea Devil), is set to enchant audiences in 2026. This cinematic event promises a breathtaking 2D animated remake of the beloved 1983 classic, inviting both longtime fans and a new generation to explore the enigmatic depths of an underwater world with Nobita and his intrepid friends.
Guiding this grand aquatic adventure is Tetsuo Yajima, making his directorial debut in the prestigious Doraemon film series. Yajima, whose prior work on the franchise ensures a deep understanding of its cherished spirit, is poised to take viewers on an unprecedented journey down to a staggering 10,928 meters beneath the surface. Expect thrilling encounters with undiscovered marine life and spectacular, never-before-seen landscapes. Complementing Yajima's vision, veteran Doraemon TV anime writer Isao Murayama marks his inaugural contribution to the film series as screenwriter, promising to weave a narrative that upholds the franchise's iconic charm while infusing it with contemporary storytelling.
The adventure unfolds from an innocent camping trip, spiraling into an extraordinary underwater quest for Nobita, Doraemon, Shizuka, Gian, and Suneo. Equipped with an array of futuristic gadgets, including a revolutionary adaptation light and the charming underwater vehicle 'Buggy'—who surprisingly develops an affection for Shizuka—the team navigates treacherous waters. The plot thickens with the emergence of mysterious energy weapons and the allure of a fabled treasure ship, blending heart-pounding suspense with signature Doraemon humor and deeply touching moments of friendship.

Fans are already buzzing with anticipation for the film's updated visuals, hinted at by a compelling teaser tagline that promises to unveil unexplored ocean depths and reinforce the timeless theme of discovery. This project meticulously aims to honor the original's revered legacy while injecting a vibrant, modern sensibility, ensuring its resonance across all ages. The official Doraemon channel has already whetted appetites with a captivating teaser, showcasing the enchanting underwater realm and the enduring appeal of Nobita’s quest.
Produced by the acclaimed Shin-Ei Animation, this upcoming film reaffirms the Doraemon series' status as a cornerstone of Japanese pop culture. Its 2026 release is more than just a date; it’s a celebration of Doraemon’s enduring popularity, seamlessly blending science fiction marvels with heartwarming family narratives that continue to captivate generations worldwide.
Credits
Doraemon the Movie: New Nobita and the Castle of the Undersea Devil
Author
Fujiko F. Fujio
Cover Art
Shin-Ei Animation Art Team
Studio
Shin-Ei Animation
Publisher
Shogakukan
Producers