第 1147 集: 偵探團前往貝卡遊樂園，在該樂園無限期關閉前的最後一天進行探險。

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On Beika Amusement Park's final day before indefinite closure, the Detective Boys visit it for one last time. One hour before the closure, the Detective Boys get on the Ferris Wheel and spot Takagi and Chiba in the park's security control room. After entering the room, they find Takagi and Chiba dressed as security guards and conducting a stakeout. Without any other choice, Takagi explains the case behind the reason for the stakeout. Six years ago, two thieves conducted a robbery on a nearby jewelry store. (Source: DCW Wiki)