Doraemon: Nobita no Ningyo Daikaisen (Doraemon: Nobita's Great Mermaid Naval Battle) é um filme que estreou em inverno (janeiro) de 2010.

Sobre a produção: a história vem de um mangá, o filme tem cerca de 99 minutos e o status atual é "finalizado".

Os gêneros principais são comédia, com temas como Kids e Mermaid.

No AniList, Doraemon: Nobita no Ningyo Daikaisen tem nota média de 69%, uma nota boa, e está na lista de 2.800 usuários.

Nobita asks Doraemon to take him somewhere they can dive and as a result the robot-cat uses several gadgets to make it possible for both to able to swim on an imaginary ocean above sea level. Inadvertently a mermaid ends up on Nobita's backyard when they turn off the illusion. Her name is Sophia and she is a princess of an ancient underwater civilization. Doraemon, Nobita, Shizuka, Jyaian, and Suneo quickly become her friends and are invited to visit her homeland. While heading towards the underwater kingdom they find themselves amid a conflict between the mermaids and an opposing tribe that has driven them away from their home planet thousands of years ago. Doraemon, Nobita, and their friends must then aid Sophia find a legendary sword that might bring peace once again to the seas. (Source: Anime News Network)

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