TV Exclusive: Solving the Mystery of 'Granite Flats' By Krista Wick 12:48 PM PDT, April 12, 2013 This Sunday, the plot thickens as BYUtv's Cold War mystery drama Granite Flats moves into week two of the eight-episode series. Amidst a Red Scare, young Arthur (Jonathan Morgan Heit) and his new friends begin investigating those who may have been involved with an explosion on the base. Related: Is 'The Americans' TV's New 'Homeland?'Check out an exclusive sneak peek of this weekend's thrilling new chapter in the player above! Video: An Exclusive Peek Into Duchovny's Cold War DramaStarring Annie Tedesco (The Secret Life of the American Teenager), Jonathan Morgan Heit (Escape from Planet Earth, Bedtime Stories), Richard Gunn (Dark Angel) and David Naughton (An American Werewolf in London), Granite Flats airs Sundays on BYUtv.