. . "The Blue Butterfly is the fourteenth episode of the fourth season of Castle, filmed partly in the style of film noir flashbacks."@en . "The Blue Butterfly"@en . "\"An Embarrassment of Bitches\""@en . "2012-02-06"^^ . . . . . . . "14"^^ . . . . . . . . . . "The Blue Butterfly is the fourteenth episode of the fourth season of Castle, filmed partly in the style of film noir flashbacks."@en . . . "\"Pandora\""@en . . "4"^^ . . . . . "The Blue Butterfly"@en .