第669話: 探偵少年団は七堂楠斗と伝説のブラックタワーに出会う
2012年9月15日 放送フィラー
669
The Detective Boys meet Nanami Kyoudou, who's grandfather, Seitarou Kyoudou is the one who built "The Black Tower", rumored to have no entrance and treasure hidden within. Later, they visit her house (Source: TheTVDB)