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, Subaru Kimura, Tomokazu Seki, Shoya Chiba,

Genre:Animation, Adventure, Fantasy, Family,

country:Japan,

Production:TOHO, Fujiko Productions, Shogakukan, TV Asahi, Shin-Ei Animation, ADK, Shogakukan-Shueisha Productions,