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 (voice)
Megumi Oohara
Nobita (voice)
Yumi Kakazu
Shizuka (voice)
Subaru Kimura
Gian (voice)
Tomokazu Seki
Suneo (voice)
Shoya Chiba
Eru (voice)
Ryo Hirohashi
Underwater Buggy (voice)
