Aliases
Doraemon: Nobita e A Lenda das Sereias, Doraemon: Nobita no Ningyo Daikaisen, Doraemon: Nobita's Great Mermaid Naval Battle, ドラえもん のび太の人魚大海戦, Doraemon Movie 30: Nobita no Ningyo Daikaisen, 映画 ドラえもん のび太の人魚大海戦, Doraemon Película 30: Doraemon: La Leyenda de las Sirenas, Doraemon the Movie: Nobita's Great Battle of the Mermaid KIng
WINTER 2010MOVIE
Branch
Part of this franchise
concluded
Announced
In production
Releasing
Completed
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)
(Source: Anime News Network)
Last updated
Oct 28, 2026, 06:23 AM
Franchise overview
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Renewal pulse
Courcast score breakdown
CourScore weighs signals for an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
17.4
CourScore measures renewal signals out of 100. It is not a calibrated probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 9 hours ago
Top reasons
- Cross-platform audience rating - Weighted audience rating 67.9
- Cohort rating percentile - 65th percentile within season cohort
- Titles like this rarely return - 16 years with no new entry: of films (first entries) in that position, under 1% got a new season or film within 10 years
Runway
Unknown
Source runway is unclear, so feasibility is treated as unknown.
Financial & Commercial48
Production Feasibility27
Audience Reception60
Strategic Priors38
Fandom Engagement40
CourScore history
CourScore over time
Last analysedOct 28, 2026, 06:23 AM
Next scheduledin 15 hours
Renewal FAQ
Doraemon: Nobita's Great Mermaid Naval Battle renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Doraemon: Nobita's Great Mermaid Naval Battle getting a new season?
- According to Courcast's latest analysis, Doraemon: Nobita's Great Mermaid Naval Battle has a 17/100 renewal signal score. This score is updated daily and blends fandom momentum, streaming signals, source-material runway, and franchise history. Check back regularly for the latest forecast.
- Will Doraemon: Nobita's Great Mermaid Naval Battle be renewed?
- Doraemon: Nobita's Great Mermaid Naval Battle currently scores 17 out of 100 on Courcast. Signals driving this estimate include online discussion volume, sequel history within the franchise, and platform engagement data - all recalculated daily. Scores from 70 indicate strong renewal signals; scores from 85 are labelled very likely.
- What is Doraemon: Nobita's Great Mermaid Naval Battle's renewal probability?
- Doraemon: Nobita's Great Mermaid Naval Battle's CourScore is 17 as of the latest update. CourScore is Courcast's proprietary metric that aggregates over a dozen renewal signals - from source-material runway to social buzz - into a single daily signal score out of 100.
Latest signals
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| anilist | average score | GLOBAL | 69 | Oct 20, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 21 | Oct 20, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 2,786 | Oct 20, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 20, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 12 | Sep 15, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 128 | Sep 15, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 2,218 | Sep 15, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 15, 2026, 12:00 AM |
| filmarks | mark count | JP | 27 | Oct 20, 2026, 12:00 AM |
| filmarks | score mean | JP | 64 | Oct 20, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Oct 5, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Sep 27, 2026, 12:00 AM |
| google trends | momentum log ratio | GLOBAL | 0 | Sep 27, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 45 | Oct 20, 2026, 12:00 AM |
| mal | completed | GLOBAL | 7,900 | Oct 20, 2026, 12:00 AM |
| mal | members | GLOBAL | 9,335 | Oct 20, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 947 | Oct 20, 2026, 12:00 AM |
| mal | watching | GLOBAL | 183 | Oct 20, 2026, 12:00 AM |
| mfc | figures total | GLOBAL | 7 | Oct 23, 2026, 12:00 AM |
| mfc | goods total | GLOBAL | 2 | Oct 23, 2026, 12:00 AM |
| mfc | media total | GLOBAL | 1 | Oct 23, 2026, 12:00 AM |
| mfc | merch added 30d | GLOBAL | 0 | Oct 23, 2026, 12:00 AM |
| mfc | merch total | GLOBAL | 10 | Oct 23, 2026, 12:00 AM |
| niconico | episode comments | JP | 4,438 | Oct 20, 2026, 12:00 AM |
| niconico | episode mylists | JP | 858 | Oct 20, 2026, 12:00 AM |
| niconico | episode views | JP | 161,082 | Oct 20, 2026, 12:00 AM |
| comments 7d | GLOBAL | 18 | Oct 6, 2026, 12:00 AM | |
| mentions 1d | GLOBAL | 1 | Oct 6, 2026, 12:00 AM | |
| mentions 7d | GLOBAL | 1 | Oct 6, 2026, 12:00 AM | |
| score 7d | GLOBAL | 13 | Oct 6, 2026, 12:00 AM | |
| thread count | GLOBAL | 1 | Oct 6, 2026, 12:00 AM | |
| threads 7d | GLOBAL | 1 | Oct 6, 2026, 12:00 AM | |
| shikimori | completion ratio | GLOBAL | 0.29 | Oct 20, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 280 | Oct 20, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 72.8 | Oct 20, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 70 | Oct 20, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 3.41 | Oct 20, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 2 | Oct 20, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 0 | Sep 21, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 9,878 | Jun 12, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 33 | Jun 12, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 12, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 12, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 10,532 | Jun 12, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 10,532 | Jun 12, 2026, 12:00 AM |