Dad's Army (1968)

S6E4 We Know Our Onions

The platoon arrives at a camp for an efficiency evaluation. At the same time, Walker is dealing with a van full of onions he's sold to Hodges, who is keeping a close watch on him and has followed the platoon to the camp. Later on, faced with a shortage of blank shells for the test, Mainwaring comes up with a clever idea for alternative ammunition!