Season 1 · Episode 136
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The Old Blue Castle Investigation Case (1)
Mon, Feb 22, 1999
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.
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Mon, Feb 22, 1999
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Detective Conan
1265 episodes
Episode
S1 · E136
in Detective Conan
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S1 · E137
The Old Blue Castle Investigation Case (2)
Mon, Mar 1, 1999