A ragtag group of Home Guard volunteers prepare for an imminent German invasion during World War II.
Cast:Arthur Lowe , John Le Mesurier , Clive Dunn , John Laurie , Arnold Ridley , Ian Lavender , James Beck , Bill Pertwee , Edward Sinclair , Colin Bean , Frank Williams , Janet Davies , Robert Raglan , Pamela Cundell , Harold Bennett , Olive Mercer , Eric Longworth , Geoffrey Lumsden
The rivalry between Mainwaring's Home Guard and Hodge's ARP men surfaces again when it comes to who marches at the front of a parade.
The Walmington platoon have to defeat the Eastgate Platoon in an exercise. Mainwaring has a plan utilizing a diver and revolving around Jones.
The men hatch plans to curb Mainwaring's latest passion; feet and boots.
Pike gets caught up in barbed wire - just as his mum is paying the platoon a visit.
Mainwaring is crestfallen as the platoon are ordered to take over guarding a POW camp - an easy task but there is something shady about the business.
Mainwaring, and Wilson, are both stunned to find themselves undermined, but an opportunity arises to hit the bull's-eye and regain respect.
Jones, Fraser, Godfrey and Pike are trapped in the lighthouse tower at night when they accidentally illuminate the entire town for enemy bombers.
A 'ghost' from Jones's past joins the platoon, bringing allegations. Jones is compelled to defend his reputation in historic vignette.
Captain Mainwaring and the men have a 'brief encounter' as womenfolk join the platoon to fight against the common foe.
Mainwaring's pique on learning of Wilson's promotion, leads to more chaos in Walmington and Eastgate.
Mainwaring and Hodges, and their men, are forced by circumstances to share facilities - with predictable bad grace.
Captain Square persuades Mainwaring to join him in the officers' mess whilst on a training weekend.
Captain Square continues to vex Captain Mainwaring, leading to an inter-platoon competition.