2/6 When the church bells start ringing, Walmington Home Guard prepares for the invasion.
4/6 The platoon triumphs over problems of security, fifth columnists and parachuting airmen.
1/6 Mainwaring's squad takes part in an exercise for a Highland platoon.
5/6 Corporal Jones is put to the test and the Home Guard ensure that he is not found wanting.
6/6 The crew use their rifles and their wits to compete for the honour of guarding a VIP.