第 276 集: 偵探少年們協助高木找回遺失的徽章，並挫敗了一起謀殺陰謀。
2002年5月6日 播出原創回
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Takagi loses his badge after breaking up a fight between a manager and his singer. He searches for it with the help of the Detective Boys. They then discover that the singer plans to murder his manager. The detective boys manage to bring Takagi to his apartment and save him before he is killed. The manager picked up Takagi's badge. (Source: Wikipedia)