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Oshiri Tantei watch order

Updated October 2026 · 16 entries · 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

main story entries

98

episodes

~33 h

to watch the main story

8 optional entries (recaps, side stories, specials) are marked below. Oshiri Dandy the Young is airing now.

Release order

  1. 1
    Butt Detective “Auto Rickshaw Chase in Port Town”Side story · optional, after Oshiri Tantei

    ONA · Summer 2017 · 1 ep · ~5 minutes · score 2.5/5

    Watch onYouTube

  2. 2
    Oshiri TanteiMain story

    TV · Spring 2018 · 10 ep · ~3.5 hours · score 2.3/5

  3. 3
    Oshiri Tantei 2nd SeasonMain story

    TV · Winter 2019 · 16 ep · ~5.5 hours · score 3.1/5

  4. 4
    Oshiri Tantei Movie 1: Curry Naru JikenSide story · optional, after Oshiri Tantei

    Movie · Spring 2019 · ~30 minutes · score 1.6/5

  5. 5
    Oshiri Tantei 3rd SeasonMain story

    TV · Summer 2019 · 13 ep · ~4.5 hours · score 1.4/5

  6. 6
    Oshiri Tantei 4th SeasonMain story

    TV · Spring 2020 · 13 ep · ~4.5 hours · score 2.0/5

  7. 7
    Oshiri Tantei Movie 2: Tentoumushi Iseki no NazoSide story · optional, after Oshiri Tantei

    Movie · Summer 2020 · ~40 minutes · score 1.9/5

  8. 8
    Oshiri Tantei 5th SeasonMain story

    TV · Spring 2021 · 13 ep · ~4.5 hours · score 1.6/5

  9. 9
    Oshiri Tantei Movie 3: Sufure-tou no HimitsuSide story · optional, after Oshiri Tantei

    Movie · Summer 2021 · ~40 minutes · score 2.5/5

  10. 10
    Oshiri Tantei Movie 4: ShiriartySide story · optional, after Oshiri Tantei

    Movie · Winter 2022 · ~50 minutes · score 2.1/5

  11. 11
    Oshiri Tantei 6th SeasonMain story

    TV · Spring 2022 · 13 ep · ~4.5 hours · score 3.0/5

  12. 12
    Oshiri Tantei: Cosmic FrontSide story · optional, after Oshiri Tantei

    Special · Winter 2023 · 2 ep · ~50 minutes · score 1.9/5

  13. 13
    Oshiri Tantei 7th SeasonMain story

    TV · Spring 2023 · 8 ep · ~2.5 hours · score 2.4/5

  14. 14
    Oshiri Tantei Movie 5: Saraba Itoshiki Aibou (Oshiri) yoSide story · optional, after Oshiri Tantei

    Movie · Winter 2024 · ~70 minutes · score 1.6/5

  15. 15
    Oshiri Tantei Movie 6: Star and MoonSide story · optional, after Oshiri Tantei

    Movie · Winter 2025 · ~75 minutes · score 2.5/5

  16. 16
    Oshiri Dandy the Young Airing nowMain story

    TV · Spring 2026 · 12 ep · ~5 hours · score 1.9/5

How long is Oshiri Tantei?

PartEntriesEpisodesWatch time
Main story898about 33 hours
Everything released16107about 39 hours

Watch time uses each entry's episode length, or a typical length where we don't have one.

Where to watch Oshiri Tantei

  • YouTube 1 of 16 entries

Services and regions change; each entry above links its own 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 entries, about 33 hours of viewing. With every optional entry it is 107 episodes (about 39 hours).

Where can I watch Oshiri Tantei?

Officially on YouTube. Availability depends on your region; each entry 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.