Detective Conan S1E136 · The Old Blue Castle Investigation Case (1)

Detective Conan

Season 1 · Episode 136 · The Old Blue Castle Investigation Case (1) · 25 min

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.