In Whom We Trust - S6.E10

An old friend of James and Siegfried, an itinerant raveler called Roddy Travers, arrives in Darrowby. He appears to be stealing instruments from the practice but Siegfried and James are relieved to discover that Roddy's recently acquired lurcher dog, Murphy, is the culprit. However, the situation turns serious when an elderly local farmer accuses Murphy of sheep killing.