Doraemon: Nobita's Great Battle of the Mermaid King (2010-03-06)
Overview
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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Status: Released
Release Date: 2010-03-06
Runtime: 1h 40m
Director: Kōzō Kusuba
Writer: Yuichi Shinbo