concluded
Announced
In production
Releasing
Completed
No direct-relation sequel to original Black Jack. Black Jack attempts to find out the conspiracy, of why he was involved in the bombfield accident that killed his mother, while he uncovers secrets of Organization and Project "Noir", which, his father and other famous doctors were involved in...
Last updated
Oct 28, 2026, 06:22 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
30.8
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: Medium • Updated 11 hours ago
Top reasons
- Format continuity - Format (TV) matches prior mainline entries
- Cross-platform audience rating - Weighted audience rating 76.0
- Cohort rating percentile - 88th percentile within season cohort
Runway
Unknown
Source runway is unclear, so feasibility is treated as unknown.
Financial & Commercial57
Production Feasibility49
Audience Reception70
Strategic Priors35
Fandom Engagement50
CourScore history
CourScore over time
Last analysedOct 28, 2026, 06:22 AM
Next scheduledin 13 hours
Renewal FAQ
Black Jack 21 renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Black Jack 21 getting a new season?
- According to Courcast's latest analysis, Black Jack 21 has a 31/100 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 Black Jack 21 be renewed?
- Black Jack 21 currently scores 31 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 Black Jack 21's renewal probability?
- Black Jack 21's CourScore is 31 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 | 73 | Oct 2, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 30 | Oct 2, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 3,246 | Oct 2, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 2, 2026, 12:00 AM |
| ann | rating | GLOBAL | 7.73 | Oct 25, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 1 | Sep 11, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 220 | Sep 11, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 6,597 | Sep 11, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 11, 2026, 12:00 AM |
| filmarks | mark count | JP | 408 | Oct 2, 2026, 12:00 AM |
| filmarks | score mean | JP | 78 | Oct 2, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 16 | Sep 10, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 9 | Sep 20, 2026, 12:00 AM |
| google trends | momentum log ratio | GLOBAL | 0 | Sep 20, 2026, 12:00 AM |
| justwatch | jp platform count | JP | 2 | Oct 2, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 4 | Oct 2, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 1,391 | Oct 2, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 2,094 | Oct 2, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 75.92 | Oct 2, 2026, 12:00 AM |
| mal | chapters total | GLOBAL | 243 | Oct 16, 2026, 12:00 AM |
| mal | completed | GLOBAL | 8,143 | Oct 16, 2026, 12:00 AM |
| mal | members | GLOBAL | 15,179 | Oct 16, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 5,383 | Oct 16, 2026, 12:00 AM |
| mal | rating | GLOBAL | 8.36 | Oct 16, 2026, 12:00 AM |
| mal | source members | GLOBAL | 26,521 | Oct 16, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 3 | Oct 16, 2026, 12:00 AM |
| mal | volumes total | GLOBAL | 25 | Oct 16, 2026, 12:00 AM |
| mal | watching | GLOBAL | 668 | Oct 16, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 8.41 | Oct 26, 2026, 12:00 AM |
| niconico | episode comments | JP | 30,895 | Oct 2, 2026, 12:00 AM |
| niconico | episode mylists | JP | 3,492 | Oct 2, 2026, 12:00 AM |
| niconico | episode views | JP | 827,747 | Oct 2, 2026, 12:00 AM |
| comments 7d | GLOBAL | 106 | Oct 2, 2026, 12:00 AM | |
| mentions 1d | GLOBAL | 2 | Aug 7, 2026, 12:00 AM | |
| mentions 7d | GLOBAL | 3 | Oct 2, 2026, 12:00 AM | |
| score 7d | GLOBAL | 17 | Oct 2, 2026, 12:00 AM | |
| thread count | GLOBAL | 3 | Oct 2, 2026, 12:00 AM | |
| threads 7d | GLOBAL | 3 | Oct 2, 2026, 12:00 AM | |
| shikimori | completion ratio | GLOBAL | 0.55 | Oct 2, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 1,996 | Oct 2, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 75.9 | Oct 2, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 74 | Jul 21, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 16.97 | Oct 2, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 8 | Oct 2, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 7 | Oct 27, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 36,144,520 | Jun 27, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 42,100 | Jun 27, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 27, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 27, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 20,937 | Jun 27, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 20,937 | Jun 27, 2026, 12:00 AM |