The Dukes S01 E11 The Dukes of Scotland

The Dukes and Boss visit Billy Bob and June Stewart of Hazzard. They inherited a castle that's haunted, but it turns out the ghosts are counterfiters trying to keep their hideout. When Boss steals the money, the crooks force Coy and Vance to get it back or they'll do away with the Stewarts and Daisy.