The platoon is ordered to guard the crew of a sunken U-boat until the escort arrives. The escort is delayed, though, and the platoon must guard the crew all night.
A group of American soldiers arrives at Walmington-on-Sea, but their presence is unappreciated when they begin flirting with the platoon's girlfriends.
The platoon will provide a guard of honour for George VI as he passes through Walmington-on-Sea. A mix-up stops another train in the station, though, blocking the King's route.
The platoon takes an efficiency test that will promote the platoon to twelve stars if successful.
Wilson inherits a title and consequently receives an invitation to become a member of the golf club that Mainwaring has been trying to join for years.
The platoon runs out of petrol and spends the night in a deserted – and apparently haunted – house.
When Mainwaring takes leave due to an ingrown toenail, Wilson takes charge. He angers the rest of the platoon, though, by allowing the vicar and Mr Yeatman to join.
