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.
$27,260,879
February 27, 2026
TOHO, Fujiko Productions
7 people
Wasabi Mizuta
Doraemon (voice)
Acting
Megumi Oohara
Nobita (voice)
Acting
Yumi Kakazu
Shizuka (voice)
Acting
Subaru Kimura
Gian (voice)
Acting
Tomokazu Seki
Suneo (voice)
Acting
Shoya Chiba
Eru (voice)
Acting
Ryo Hirohashi
Underwater Buggy (voice)
Acting
2026
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