Dad's Army

Mainwaring's squad takes part in an exercise for a Highland platoon.

When the church bells start ringing, Walmington Home Guard prepares to deal with the invasion.

Private Walker is called up for National Service.

Captain Mainwaring makes Frazer a Lance Corporal but soon regrets doing so. Newly promoted Frazer vies with Lance Corporal Jones for Mainwaring's favour and resorts to issuing a series of increasingly bizarre charge sheets.