Aliases
Butt Detective the Movie: Shiriarty, Oshiri Tantei: SHIRIARTY, 映画おしりたんてい シリアーティ, Oshiri Tantei Movie 4: Shiriarty
SPRING 2022MOVIE
Branch
Part of this franchise
concluded
Announced
In production
Releasing
Completed
In Oshiri Tantei: SHIRIARTY, a baffling series of crimes turns out to be the work of Shiriarty, a villain who seeks to steal a mysterious treasure known as the "O-PARTS". Butt Detective along with his assistant, Brown, enlist the aid of Audrey, an investigator from the international police organization Wanterpol, in an effort to prevent the "O-PARTS" from falling into the wrong hands while Shiriarty strives to plunge the world into darkness.
(Source: Crunchyroll, edited)
(Source: Crunchyroll, edited)
Last updated
Oct 28, 2026, 06:23 AM
Franchise overview
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Oshiri Tantei: SHIRIARTY
2022Viewing(×﹏×)Oshiri Dandy the Young
2026(×﹏×)Oshiri Tantei 9
2025ConfirmedOshiri Tantei 9 Part 2
2025(×﹏×)Oshiri Tantei 8
2024ConfirmedOshiri Tantei 7
2023ConfirmedOshiri Tantei 7 Part 2
2023ConfirmedOshiri Tantei 6
2022ConfirmedOshiri Tantei 5
2021ConfirmedOshiri Tantei 4
2020ConfirmedOshiri Tantei 2
2019ConfirmedOshiri Tantei 3
2019ConfirmedOshiri Tantei
2018Confirmed
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
17.9
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 7 hours ago
Top reasons
- JP domestic platform breadth (JustWatch) - Available on 2 JP domestic platform(s): FOD, U-NEXT
- Committee collaboration history - Titles sharing at least two committee members: 3 of 9 have a catalogued successor (33%), compared with 14% across the catalogue
- Titles like this rarely return - 4 years with no new entry: of films (first entries) in that position, 1% got a new season or film within 10 years
Runway
Unknown
Source runway is unclear, so feasibility is treated as unknown.
Financial & Commercial30
Production Feasibility32
Audience Reception7
Strategic Priors38
Fandom Engagement41
CourScore history
CourScore over time
Last analysedOct 28, 2026, 06:23 AM
Next scheduledin 17 hours
Renewal FAQ
Oshiri Tantei: SHIRIARTY renewal questions
Common questions about this title's renewal prospects, answered by Courcast's daily analysis.
- Is Oshiri Tantei: SHIRIARTY getting a new season?
- According to Courcast's latest analysis, Oshiri Tantei: SHIRIARTY has a 18/100 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 Oshiri Tantei: SHIRIARTY be renewed?
- Oshiri Tantei: SHIRIARTY currently scores 18 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 Oshiri Tantei: SHIRIARTY's renewal probability?
- Oshiri Tantei: SHIRIARTY's CourScore is 18 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 | favorites | GLOBAL | 3 | Oct 27, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 146 | Oct 27, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 0 | Oct 27, 2026, 12:00 AM |
| crunchyroll | episode count | GLOBAL | 16 | Sep 25, 2026, 12:00 AM |
| crunchyroll | episode dislikes | GLOBAL | 11 | Sep 25, 2026, 12:00 AM |
| crunchyroll | episode likes | GLOBAL | 742 | Sep 25, 2026, 12:00 AM |
| crunchyroll | series available | GLOBAL | 1 | Sep 25, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 0 | Oct 18, 2026, 12:00 AM |
| google trends | interest weekly | GLOBAL | 0 | Oct 18, 2026, 12:00 AM |
| google trends | momentum log ratio | GLOBAL | 0 | Oct 18, 2026, 12:00 AM |
| justwatch | jp platform count | JP | 2 | Oct 27, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 1 | Oct 27, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 105 | Oct 27, 2026, 12:00 AM |
| mal | chapters total | GLOBAL | 163 | Aug 27, 2026, 12:00 AM |
| mal | completed | GLOBAL | 63 | Oct 27, 2026, 12:00 AM |
| mal | members | GLOBAL | 219 | Oct 27, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 83 | Oct 27, 2026, 12:00 AM |
| mal | rating | GLOBAL | 6.56 | Aug 27, 2026, 12:00 AM |
| mal | source members | GLOBAL | 1,524 | Aug 27, 2026, 12:00 AM |
| mal | source status code | GLOBAL | 3 | Aug 27, 2026, 12:00 AM |
| mal | watching | GLOBAL | 14 | Oct 27, 2026, 12:00 AM |
| niconico | episode comments | JP | 15 | Oct 27, 2026, 12:00 AM |
| niconico | episode mylists | JP | 9 | Oct 27, 2026, 12:00 AM |
| niconico | episode views | JP | 2,035 | Oct 27, 2026, 12:00 AM |
| comments 7d | GLOBAL | 33 | Oct 27, 2026, 12:00 AM | |
| mentions 1d | GLOBAL | 1 | Oct 25, 2026, 12:00 AM | |
| mentions 7d | GLOBAL | 3 | Oct 27, 2026, 12:00 AM | |
| score 7d | GLOBAL | 30 | Oct 27, 2026, 12:00 AM | |
| thread count | GLOBAL | 3 | Oct 27, 2026, 12:00 AM | |
| threads 7d | GLOBAL | 3 | Oct 27, 2026, 12:00 AM | |
| shikimori | completion ratio | GLOBAL | 0.04 | Oct 27, 2026, 12:00 AM |
| shikimori | member count | GLOBAL | 122 | Oct 27, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 0 | Oct 27, 2026, 12:00 AM |
| simkl | score mean | GLOBAL | 70 | Sep 23, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 9 | Jun 8, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 260,870 | Jun 17, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 1,290 | Jun 17, 2026, 12:00 AM |
| youtube | uploads 30d | GLOBAL | 25 | Jun 17, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 25 | Jun 17, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 13,579 | Jun 17, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 13,579 | Jun 17, 2026, 12:00 AM |