2026 | Japan | 1 j 42 m | IMDb 6.2
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.
Wasabi Mizuta (Doraemon), Megumi Ohara (Nobita), Yumi Kakazu (Shizuka), Subaru Kimura (Gian), Tomokazu Seki (Suneo), Shoya Chiba (El), Yûki Hirako (Soldier), Ryô Hirohashi (Mizunaka Buggy), Kenta Sakai (Soldier), Airi Taira (Soldier)
