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.
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More from this season
S1 E1
The Big Shrink
While on a date with Rachel, Kudo is attacked by two shady thugs who slip him an experimental drug. The effects of the poison will turn Jimmy’s life upside down!
S1 E2
The Kidnapped Debutante
Conan sets out to discover the fate of a wealthy businessman’s kidnapped daughter. His new identity is a secret to everyone but his eccentric inventor friend, Dr. Agasa.
S1 E3
Beware of Idols
Pop diva Yoko Okino is being stalked and she's come to star-struck Richard Moore's doorstep for help! Luckily for all involved, Conan is on the job, too.
S1 E4
Fish Marks the Spot
Treasure hunt! When a mysterious coded map ends up in the hands of Conan and his new friends from school, the Junior Detective League is born!