The three members of Rascal Flatts — Jay DeMarcus, Gary LeVox and Joe Don Rooney — will appear as themselves in an episode of the CBS drama, CSI: Crime Scene Investigation, scheduled to air early next year. In the episode, titled “Unshockable,” one of the group’s members will be the victim of a crime and the other two members will be suspects. The episode will be shot in January. In related news, Rascal Flatts will appear at the Grand Ole Opry on Friday (Dec. 11) at the Ryman Auditorium in Nashville. Their 2010 tour will launch Jan. 15 at Mohegan Sun Casino in Uncasville, Conn.