Captain Mainwaring and Warden Hodges join forces to organise a special choral performance for the Duke of Cornwall's Light Infantry.

Captain Mainwaring calls the platoon together to parade on Christmas Night

Captain Mainwaring's promotion of Privet Frazer also promotes a state of none-too-friendly rivalry with Corporal Jones

When German high explosives rain down on Walmington-on-sea, Captain Mainwaring and his men demonstrate their great resourcefulness and unearth a spy in their midst

When Private Walker's call-up threatens the platoon's black market supplies, Captain Mainwaring and his men scheme to avert this disaster.