Captain Mainwaring assumes command of the Local Defence Volunteers.
Godfrey's cottage is to be demolished to make way for an aerodrome until Frazer steps in.
Pike receives his call-up papers and, to the alarm of his mother, he is passed A1.
Captain Mainwaring sets up an observation post in the lighthouse.
The platoon help a widowed lady friend of Private Godfrey to gather in the harvest.
Friends, family and colleagues pay tribute to writer, producer and director David Croft.