1 Season
1147 Episode
Case Closed - Season 1 Episode 136 The Old Blue Castle Investigation Case (1)
The Detective Boys are on a camping trip but Dr. Agasa forgot the tent. They wander to a castle owned by Masuyo Mamiya, meet Katsuo Tabata, Mitsuru Mamiya, Takahito Mamiya, and learn that there's a secret treasure somewhere inside.
- Country : Japan
- Genre : Animation, Mystery, Comedy
- Director :
- Cast : Minami Takayama, Kappei Yamaguchi, Wakana Yamazaki, Akira Kamiya, Rikiya Koyama, Megumi Hayashibara