Is Oshiri Tantei 5 getting a new season?

According to Courcast's latest analysis, Oshiri Tantei 5 has a 27% renewal probability. This score is updated daily and reflects fandom momentum, streaming signals, and franchise history. Visit https://courcast.com/title/oshiri-tantei-5-spring-2021 for the full breakdown.

Will Oshiri Tantei 5 be renewed?

Oshiri Tantei 5 currently has a 27% renewal probability on Courcast. Signals driving this score include online discussion volume, sequel history in the franchise, and platform engagement data - all updated daily.

What is Oshiri Tantei 5's renewal probability?

Oshiri Tantei 5's CourScore is 27% 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 probability estimate. See the full score breakdown at https://courcast.com/title/oshiri-tantei-5-spring-2021.

Aliases

Butt Detective 5, Oshiri Tantei 5, おしりたんてい (第5シリーズ), Oshiri Tantei 5th Season, Butt Detective, おしりたんてい

S8SPRING 2021TV

Part of this franchise

concluded

Announced

In production

Releasing

Completed

Oshiri Tantei 5

おしりたんてい (第5シリーズ)

X Reddit

Fifth season of Oshiri Tantei.

Last updated

Sep 11, 2026, 04:08 AM

Evidence

Announcement status

Official announcement records with supporting citations.

Confirmed

TV season

Official announcement logged Jan 1, 2022, 12:00 AM.

Franchise overview

Franchise timeline

Review every Courcast-tracked season for this series and jump between entries.

View franchise tree

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.

Confirmed

Announced Jan 1, 2022, 12:00 AM

CourScore is the probability of an official sequel announcement within 18 months.

Signal coverage: 92% • Signal freshness: High • Frozen 17 hours ago

Top reasons

Cross-platform audience rating - Weighted audience rating 63.8
Committee renewal track record - Lead committee members (NHK, Toei Animation) historically renew 2% of productions
Favourite base strength - 0 cross-platform favourites

Runway

Unknown

Source runway is unclear, so feasibility is treated as unknown.

Financial & Commercial18

Production Feasibility26

Audience Reception64

Strategic Priors9

Fandom Engagement0

CourScore history

CourScore over time

Last analysedSep 11, 2026, 04:08 AM

Next scheduledin 7 hours

Renewal FAQ

Oshiri Tantei 5 renewal questions

Common questions about this title's renewal prospects, answered by Courcast's daily analysis.

Is Oshiri Tantei 5 getting a new season?: Yes - Oshiri Tantei 5 has an officially confirmed continuation. See the Announcement Status section above for the full details and citations.
Will Oshiri Tantei 5 be renewed?: Oshiri Tantei 5 has already been confirmed for a new entry - it has cleared the renewal hurdle. See the Announcement Status section for the source citation.
What is Oshiri Tantei 5's renewal probability?: Oshiri Tantei 5's CourScore is 27 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.

Latest signals

Fresh telemetry

Courcast watches every connected signal to surface the freshest indicators of momentum.

Source	Metric	Geo	Value	Collected
anilist	favorites	GLOBAL	0	Sep 5, 2026, 12:00 AM
anilist	popularity	GLOBAL	175	Sep 5, 2026, 12:00 AM
anilist	trending	GLOBAL	0	Sep 5, 2026, 12:00 AM
crunchyroll	episode count	GLOBAL	24	Sep 11, 2026, 12:00 AM
crunchyroll	episode dislikes	GLOBAL	140	Sep 11, 2026, 12:00 AM
crunchyroll	episode likes	GLOBAL	10,768	Sep 11, 2026, 12:00 AM
crunchyroll	series available	GLOBAL	1	Sep 11, 2026, 12:00 AM
filmarks	mark count	JP	48	Sep 11, 2026, 12:00 AM
filmarks	score mean	JP	72	Sep 11, 2026, 12:00 AM
five ch	thread posts	JP	214	Sep 11, 2026, 12:00 AM
google trends	interest daily	GLOBAL	0	Sep 10, 2026, 12:00 AM
google trends	interest weekly	GLOBAL	0	Aug 30, 2026, 12:00 AM
justwatch	jp platform count	JP	2	Sep 11, 2026, 12:00 AM
kitsu	favorites	GLOBAL	30	Sep 11, 2026, 12:00 AM
kitsu	member count	GLOBAL	7,694	Sep 11, 2026, 12:00 AM
kitsu	rating rank	GLOBAL	4,721	Sep 11, 2026, 12:00 AM
kitsu	score mean	GLOBAL	71.23	Sep 11, 2026, 12:00 AM
mal	completed	GLOBAL	95	Sep 11, 2026, 12:00 AM
mal	members	GLOBAL	479	Sep 11, 2026, 12:00 AM
mal	plan to watch	GLOBAL	191	Sep 11, 2026, 12:00 AM
mal	watching	GLOBAL	34	Sep 11, 2026, 12:00 AM
niconico	episode comments	JP	199	Sep 11, 2026, 12:00 AM
niconico	episode mylists	JP	10	Sep 11, 2026, 12:00 AM
niconico	episode views	JP	5,114	Sep 11, 2026, 12:00 AM
reddit	comments 7d	GLOBAL	70	Sep 11, 2026, 12:00 AM
reddit	mentions 1d	GLOBAL	2	Sep 7, 2026, 12:00 AM
reddit	mentions 7d	GLOBAL	3	Sep 11, 2026, 12:00 AM
reddit	score 7d	GLOBAL	58	Sep 11, 2026, 12:00 AM
reddit	thread count	GLOBAL	3	Sep 11, 2026, 12:00 AM
reddit	threads 7d	GLOBAL	3	Sep 11, 2026, 12:00 AM
shikimori	completion ratio	GLOBAL	0.04	Sep 11, 2026, 12:00 AM
shikimori	member count	GLOBAL	222	Sep 11, 2026, 12:00 AM
shikimori	score mean	GLOBAL	0	Sep 11, 2026, 12:00 AM
simkl	score mean	GLOBAL	20	Sep 9, 2026, 12:00 AM
tmdb	popularity	GLOBAL	10.13	Jul 16, 2026, 12:00 AM
tmdb	vote count	GLOBAL	3	Jul 16, 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

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