Dad's Army 1972 S05E05

Episode: The Desperate Drive of Corporal Jones. The platoon are on an exercise whereby everyone except for Godfrey and Jones ends up in a deserted barn. Jones sees from the map that they have been given the wrong reference and the barn will be blown up in half an hour as part of a live ammunition exercise. They try to phone up but Godfrey cuts the wire by mistake. To add to their plight Jones's van has broken down, so he has to take the colonel's car to reach the barn and warn the platoon in time.