Korasho no Kaitei Wakuwaku Daibouken!, 映画コラショの海底わくわく大冒険!, Korasho no Kaitei Wakuwaku Daibouken! Movie, Eiga Korasho no Kaitei Wakuwaku Daibouken!, Movie: Korasho's Exciting Under-the-Sea Adventure!
The character Korosho, a spirit of a randsell backpack, is from Benesse's "Shinken Zemi Shogaku Kouza" correspondence course for early elementary schoolers. The film is a collaboration with the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) and Team Kuroshio, a team of researchers and engineers dedicated to studying the ocean floor.
Last updated
Oct 28, 2026, 06:21 AM
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Courcast score breakdown
CourScore weighs signals for an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
7.2
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 10 hours ago
Top reasons
- Committee renewal track record - Lead committee members (GAGA, TMS Entertainment) have a smoothed catalogue continuation rate of 15%, above the catalogue average of 14%
- Titles like this rarely return - 7 years with no new entry: of films (first entries) in that position, under 1% got a new season or film within 10 years
- Cross-platform audience rating - Weighted audience rating 32.5
Source runway is unclear, so feasibility is treated as unknown.
CourScore history
CourScore over time
Korasho no Kaitei Wakuwaku Daibouken! renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Korasho no Kaitei Wakuwaku Daibouken! getting a new season?
- According to Courcast's latest analysis, Korasho no Kaitei Wakuwaku Daibouken! has a 7/100 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 Korasho no Kaitei Wakuwaku Daibouken! be renewed?
- Korasho no Kaitei Wakuwaku Daibouken! currently scores 7 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 Korasho no Kaitei Wakuwaku Daibouken!'s renewal probability?
- Korasho no Kaitei Wakuwaku Daibouken!'s CourScore is 7 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.
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| anilist | favorites | GLOBAL | 1 | Oct 24, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 103 | Oct 24, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 24, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 12 | Sep 19, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 462 | Sep 19, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 16,278 | Sep 19, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 19, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Oct 23, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Aug 2, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 38 | Oct 24, 2026, 12:00 AM |
| mal | completed | GLOBAL | 107 | Oct 24, 2026, 12:00 AM |
| mal | members | GLOBAL | 438 | Oct 24, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 202 | Oct 24, 2026, 12:00 AM |
| mal | watching | GLOBAL | 25 | Oct 24, 2026, 12:00 AM |
| shikimori | completion ratio | GLOBAL | 0.01 | Oct 24, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 204 | Oct 24, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | Oct 24, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 65 | Aug 1, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 14 | Jun 6, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 1,426,519 | Jun 8, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 3,260 | Jun 8, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | May 4, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | May 4, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 14,292 | May 4, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 14,292 | May 4, 2026, 12:00 AM |