Case Closed - Season 1 Episode 137 The Old Blue Castle Investigation Case (2)
Haibara leads the investigation and is accompanied by the Detective Boys.
- Genre: Animation, Mystery, Comedy
- Studio: YTV
- Keyword: japan, detective, secret identity, high school, cop, based on manga, mysterious, anime, age change, case, adventure
- Cast: Minami Takayama, Kappei Yamaguchi, Wakana Yamazaki, Akira Kamiya, Rikiya Koyama, Megumi Hayashibara