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
Aug 31, 2026, 01:50 AM
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Courcast score breakdown
CourScore is the probability of an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
37.6
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 12 days ago
Top reasons
- Crunchyroll Like Index - 16,240 likes / 16,702 reactions on recent episodes
- Key staff availability - Director Yoshiaki Okumura has no other concurrent active productions
- Favourite base strength - 1 cross-platform favourites
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 38% renewal probability. 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 38 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. Titles scoring above 70 are considered Very Likely to receive a continuation.
- What is Korasho no Kaitei Wakuwaku Daibouken!'s renewal probability?
- Korasho no Kaitei Wakuwaku Daibouken!'s CourScore is 38 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-updated probability 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 | Sep 5, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 98 | Sep 5, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Sep 5, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 12 | Sep 5, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 462 | Sep 5, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 16,256 | Sep 5, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 5, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Aug 21, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Aug 2, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 38 | Sep 5, 2026, 12:00 AM |
| mal | completed | GLOBAL | 103 | Sep 5, 2026, 12:00 AM |
| mal | members | GLOBAL | 428 | Sep 5, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 199 | Sep 5, 2026, 12:00 AM |
| mal | watching | GLOBAL | 24 | Sep 5, 2026, 12:00 AM |
| shikimori | completion ratio | GLOBAL | 0.01 | Sep 5, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 199 | Sep 5, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | Sep 5, 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 |