# Doraemon: Nobita no Ningyo Daikaisen
*Also known as: Doraemon: Nobita's Great Mermaid Naval Battle / ドラえもん のび太の人魚大海戦*

## Facts
- Format: MOVIE
- Status: concluded
- Year: 2010
- Season: WINTER

## Renewal Score
**Doraemon: Nobita no Ningyo Daikaisen** has a **38% renewal probability** on Courcast (confidence: 88%) as of 2026-06-03.

## Synopsis
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 under

## About Courcast
Courcast forecasts anime renewal probability using daily signals from streaming platforms, fan communities, and industry sources. Each CourScore (0–100) reflects fandom momentum, streaming performance, source material runway, and franchise history.

- Full details: https://courcast.com/title/doraemon-nobita-no-ningyo-daikaisen-winter-2010
- API: https://courcast.com/api/public/titles/doraemon-nobita-no-ningyo-daikaisen-winter-2010
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*