Dad's Army - Season 4 (1970)

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.

On return from London Mainwaring is shocked to find that almost all of the platoon are playing in a darts tournament against Hodges and the air raid wardens, which they refuse to leave, despite losing. Wilson is not happy because Hodges has bought Mavis a drink and seems to be getting overly familiar with her. When a call comes through that a suspected I.R.A. terrorist is in the area, however, the men pull together - eventually - and Wilson proves to Mavis and the others that he is the hero of the hour.

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.

The ARP wardens challenge the Home Guard to a cricket match.

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.