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- Region:Japan
- Type:Movie
- English name:Oshiri Tantei: Sufure-tou no Himitsu
- Official name:映画おしりたんてい スフーレ島のひみつ
- Chinese name:屁屁侦探 舒芙蕾岛的秘密
- Other names:Eiga Oshiri Tantei: Souffle-tou no Himitsu
- Premiered:August 13, 2021
- Status:Finished Airing
- Tags:Funny / Adventure / Suspense
- Original author:トロルシリーズ(ポプラ社)
- Director:座古明史
- Scenario:高橋ナツコ / 成田順
- Music:高木洋
- Studios:東映アニメーション
- Copyright:©Troll / POPLAR ©2021東映まんがまつり製作委員会
- Family:Oshiri Tantei
- Rating:9+
Oshiri Tantei: Sufure-tou no Himitsu
The story follows Butt Detective and his assistant Brown as they solve a difficult case on Souffle Island, where people ride the wind and fly in the sky.