Oshiri Tantei watch order
Updated October 2026 · 9 seasons, 6 movies and 1 OVA or special · in release order
Short answer
Watch Oshiri Tantei in release order: Oshiri Tantei → Oshiri Tantei 2nd Season → Oshiri Tantei 3rd Season → Oshiri Tantei 4th Season → Oshiri Tantei 5th Season → Oshiri Tantei 6th Season → Oshiri Tantei 7th Season → Oshiri Dandy the Young.
8
in the main story: 8 seasons
98
episodes
~33 h
to watch the main story
Optional: 1 season, 6 movies and 1 OVA or special (recaps, side stories and specials), marked below. Oshiri Dandy the Young is airing now.
Release order
- 1
Butt Detective “Auto Rickshaw Chase in Port Town”Side story · optional, after Oshiri TanteiONA · Summer 2017 · 1 ep · ~5 minutes · score 2.5/5
Watch onYouTube
- 2
Oshiri TanteiMain storyTV · Spring 2018 · 10 ep · ~3.5 hours · score 2.3/5
- 3
Oshiri Tantei 2nd SeasonMain storyTV · Winter 2019 · 16 ep · ~5.5 hours · score 3.1/5
- 4
Oshiri Tantei Movie 1: Curry Naru JikenSide story · optional, after Oshiri TanteiMovie · Spring 2019 · ~30 minutes · score 1.6/5
- 5
Oshiri Tantei 3rd SeasonMain storyTV · Summer 2019 · 13 ep · ~4.5 hours · score 1.4/5
- 6
Oshiri Tantei 4th SeasonMain storyTV · Spring 2020 · 13 ep · ~4.5 hours · score 2.0/5
- 7
Oshiri Tantei Movie 2: Tentoumushi Iseki no NazoSide story · optional, after Oshiri TanteiMovie · Summer 2020 · ~40 minutes · score 1.9/5
- 8
Oshiri Tantei 5th SeasonMain storyTV · Spring 2021 · 13 ep · ~4.5 hours · score 1.6/5
- 9
Oshiri Tantei Movie 3: Sufure-tou no HimitsuSide story · optional, after Oshiri TanteiMovie · Summer 2021 · ~40 minutes · score 2.5/5
- 10
Oshiri Tantei Movie 4: ShiriartySide story · optional, after Oshiri TanteiMovie · Winter 2022 · ~50 minutes · score 2.1/5
- 11
Oshiri Tantei 6th SeasonMain storyTV · Spring 2022 · 13 ep · ~4.5 hours · score 3.0/5
- 12
Oshiri Tantei: Cosmic FrontSide story · optional, after Oshiri TanteiSpecial · Winter 2023 · 2 ep · ~50 minutes · score 1.9/5
- 13
Oshiri Tantei 7th SeasonMain storyTV · Spring 2023 · 8 ep · ~2.5 hours · score 2.4/5
- 14
Oshiri Tantei Movie 5: Saraba Itoshiki Aibou (Oshiri) yoSide story · optional, after Oshiri TanteiMovie · Winter 2024 · ~70 minutes · score 1.6/5
- 15
Oshiri Tantei Movie 6: Star and MoonSide story · optional, after Oshiri TanteiMovie · Winter 2025 · ~75 minutes · score 2.5/5
- 16
TV · Spring 2026 · 12 ep · ~5 hours · score 1.9/5
How long is Oshiri Tantei?
| Part | Seasons and movies | Episodes | Watch time |
|---|---|---|---|
| Main story | 8 seasons | 98 | about 33 hours |
| Everything released | 9 seasons, 6 movies and 1 OVA or special | 107 | about 39 hours |
Watch time uses each season's and movie's episode length, or a typical length where we don't have one.
Where to watch Oshiri Tantei
Oshiri Tantei is officially on YouTube (1 of 16), counting its 16 seasons, movies and specials.
Services and regions change; the release order above links each season to its official pages. Where to watch Oshiri Tantei has the full list, free options included.
Is Oshiri Tantei finished?
No. Oshiri Dandy the Young is airing right now.
Do I need to watch the Oshiri Tantei movies and OVAs?
Optional: Butt Detective “Auto Rickshaw Chase in Port Town”, Oshiri Tantei Movie 1: Curry Naru Jiken, Oshiri Tantei Movie 2: Tentoumushi Iseki no Nazo, Oshiri Tantei Movie 3: Sufure-tou no Himitsu, Oshiri Tantei Movie 4: Shiriarty, Oshiri Tantei: Cosmic Front and 2 more.
How many episodes does Oshiri Tantei have?
The main story is 98 episodes over 8 seasons, about 33 hours of viewing. With every optional extra it is 107 episodes (about 39 hours).
Where can I watch Oshiri Tantei?
Officially on YouTube. Availability depends on your region; each season and movie below lists its own services.
Order and labels come from the relations in the AnimeHunt catalog (sequel, side story, summary, alternative version). Spot a mistake? Tell us.