Butt Detective the Movie: 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". Oshiri Tantei 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.
- Genre: Animation, Comedy, Fantasy, Mystery
- Director: Yuriko Kado
- Cast: Yuko Sanpei, Mie Sonozaki, Ayaka Saito, Masaharu Fukuyama
- Country: Japan