|This article is about a/an episode in J.A.K.Q. Dengekitai.|
Blue Key Quiz!! The Riddle of the Secret Room Murder Riddle (青いキークイズ!! 密室殺人の謎・なぞ Aoi Kī Kuizu!! Misshitsu Satsujin no Nazo - Nazo) is the thirteenth episode of J.A.K.Q. Dengekitai.
Bunta goes undercover in order to figure out the strange secret behind the murder of a fashion designer.
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- Narrator: Toru Ohira
- Goro Sakurai: Yoshitaka Tanba
- Ryu Azuma: Tairayama Itou
- Karen Mizuki: Mitchi Margaret Love
- Bunta Daichi: Yuusuke Kazato
- Spade Ace: Jyunichi Haruta (credited as Misao Haruta) and Yoshinori Okamoto
- Dia Jack: Hiromichi Suzuki
- Heart Queen: Minoru Yokohama
- Clover King: Hirohumi Koga
- Shinji Todo guests in this episode as Ryuuichi Iwasaki; though he will have a notable appearance in Sentai, he will appear between this and his next Sentai appearance in the tokusatsu bridging the gap between the franchise: the adaptation of the Marvel Comics superhero Spider-Man.
J.A.K.Q. Dengekitai Volume 3 features episodes 12-17: Ep. 12: 10 Pyramids!! The Maze of the Golden Mask, Ep. 13: Blue Key Quiz!! The Riddle of the Secret Room Murder, Ep. 14: All Supercars!! Violence!! Great Violent Dash!!, Ep. 15: The Crimson Occult!! Ghost Story - Vampire, Ep. 16: Black Baseball!! The Attacking Miracle Ball, and Ep. 17: Black Demon Moon!! Ghost Story - Hell House.