Aliases
Osomatsu-san 4th Season, Mr. Osomatsu 4th season, おそ松さん 第4期, Default, Synonym, Mr. Osomatsu 4, Japanese, English
S253SUMMER 2025TV
Part of this franchise
concluded
Announced
In production
Releasing
Completed
Mr. Osomatsu 4th season
Osomatsu-san 4th Season
The fourth season of Osomatsu-san.
The sextuplets run amok for a fourth time! Now adults in their 20s, they are still unemployed, undertrained, and single…but there’s something lovable about Japan’s most famous sextuplets. As a new chaotic adventure begins, what’s next? New friends? New trouble? And perhaps a new side to the sextuplets? Let’s all laugh together with these brothers who are beyond any hope.
(Source: Crunchyroll)
The sextuplets run amok for a fourth time! Now adults in their 20s, they are still unemployed, undertrained, and single…but there’s something lovable about Japan’s most famous sextuplets. As a new chaotic adventure begins, what’s next? New friends? New trouble? And perhaps a new side to the sextuplets? Let’s all laugh together with these brothers who are beyond any hope.
(Source: Crunchyroll)
Last updated
Jun 3, 2026, 11:41 PM
Franchise overview
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Renewal pulse
Courcast score breakdown
CourScore is the probability of an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
50.0
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 92% • Signal freshness: Medium • Updated 4 hours ago
Top reasons
- Time since finale - ~8 months since estimated air window ended
- Cross-platform audience rating - Weighted audience rating 59.1
- Cross-platform popularity index - Aggregate reach of ~1,581 followers
Runway
Unknown
Source runway is unclear, so feasibility is treated as unknown.
Financial & Commercial46
Production Feasibility73
Audience Reception59
Strategic Priors32
Fandom Engagement0
CourScore history
CourScore over time
Last analysedJun 3, 2026, 11:41 PM
Next scheduledin 20 hours
Latest signals
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| shikimori | score mean | GLOBAL | 61.3 | Jun 3, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Jun 2, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 116 | May 10, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 21 | Apr 30, 2026, 12:00 AM |
| mal | completed | GLOBAL | 1,581 | May 26, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 3,423 | May 26, 2026, 12:00 AM |
| mal | watching | GLOBAL | 1,122 | May 26, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 0 | May 23, 2026, 12:00 AM |
| anilist | favorites | GLOBAL | 22 | Jun 2, 2026, 12:00 AM |
| anilist | average score | GLOBAL | 57 | Jun 2, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 3 | Jun 1, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 2,228 | Jun 2, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 4.75 | Jun 1, 2026, 12:00 AM |