2026· 102 min★ 6.3· Animation, Adventure, Fantasy, Family
Nobita and friends finds a secret underwater castle packed with mysteries and riches. With Doraemon's high-tech gadgets, they dive into an ocean adventure mixing humor, teamwork, and imagination in a breathtaking aquatic world.
Cast: Wasabi Mizuta, Megumi Oohara, Yumi Kakazu
Director: Tetsuo Yajima
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