American Horror Story is preparing for its thirteenth season, and it needs to answer a huge series mystery that Delicate avoided. Among the most successful and popular horror TV shows in recent years is American Horror Story, created by Ryan Murphy and Brad Falchuk. Each season of American Horror Story covers a different story and horror theme, and the show has built a list of frequent collaborators. Despite recent seasons not being as successful as previous ones, American Horror Story is coming back with its 13th season.