When Nobita goes diving with Doraemon, a mermaid named Sophia comes close to him and they all befriend her. When they proceed towards her kingdom, they encounter a fight between two opposing tribes.

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Main Cast: Wasabi Mizuta, Chiaki Fujimoto, Megumi Oohara, Tomokazu Seki, Yumi Kakazu, Subaru Kimura, Shihoko Hagino, Mayumi Izuka

Director: Kōzō Kusuba

Writer: Yuichi Shinbo

Editor:

Cinematographer:

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