Dad’s Army - Fallen Idol - Part three

Part 3 of 3. Series 4, episode 13. Captain Mainwaring takes his men to a weekend camp to learn about explosives. However, after meeting Captain Square, his snobbish side comes out, and Square begins to lead Mainwaring astray by inviting him to a drinking game in the officers mess. After upsetting the platoon, the only way for him to save his reputation is a heroic act of bravery...