Released:
2026-02-27

Overview:
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.

Director:
Tetsuo Yajima

Runtime:
1h 42min

Genre:
Animation, Adventure, Fantasy, Family

• Cast:
• 
  Wasabi Mizuta
  as
  Doraemon (voice)
• 
  Megumi Oohara
  as
  Nobita (voice)
• 
  Yumi Kakazu
  as
  Shizuka (voice)
• 
  Subaru Kimura
  as
  Gian (voice)
• 
  Tomokazu Seki
  as
  Suneo (voice)