The Boy Detectives Club – The Iron Fiend
Fourth film in the Boy Detectives Club series.
- Genre: Mystery
- Director: Hideo Sekigawa
- Cast: Eiji Okada, Masako Nakamura, Yasumitsu Komori, Yoshi Katō, Mitsue Komiya
- Country: Japan
Fourth film in the Boy Detectives Club series.