“Nobita and friends help mermaid princess Sophia find a legendary sword to restore peace between underwater civilizations.”
Doraemon the Movie: Nobita's Great Battle of the Mermaid KIng
映画 ドラえもん のび太の人魚大海戦
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Based on your preference for character-driven stories with layered emotional arcs, this title's exploration of identity and belonging would deeply resonate. The pacing mirrors series you've rated highly, and its thematic depth aligns with your appreciation for nuanced storytelling...
However, the slow initial episodes might test your patience given your history of dropping shows that don't hook you early. The art style shift in the middle arc could also be a concern...
Synopsis
Nobita and friends help mermaid princess Sophia find a legendary sword to restore peace between underwater civilizations.
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: ANN)
What people say
Community consensus
Derived from 2 sampled reviews
What 2 viewers settled on.
Strong agreement
σ 0.50 · scores cluster tight
—
Not enough recommend signal yet
↑ 0.50
Running avg · Mar 2024 → Nov 2025
- 2 “This was a confusing movie from start to finish, with signs that the production team put too much into the story than it can fit. The premise itself was already confusing, with two layers of...”
- 1 “My overall take: One of my least favorite Doraemon movies, filled with logical inconsistencies and unsatisfying payoffs. In this movie, Nobita and Doraemon accidentally strand a mermaid princess in...”
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- Format 1 × 99′ eps × min
- Total runtime 1h 39m all episodes
- Aired Mar 2010 – ongoing
- Source Movie media type
- Rated PG Children
- Ref. BS-4841 catalog
Produced by
- TV Asahi Producer