TV Guide National Geographic Channel Friday

Bidders vie for an 18th-century flintlock, a four-barrel gun so complex and expensive to produce that only the wealthy could afford one, making such items highly desirable. Sean Rich and his fellow Lords also inspect a piece of Second World War memorabilia possibly used by couriers behind enemy lines, which if authentic could be valued at $18,000

Three missions in the Second World War put Allied soldiers to the test. A British regiment is trapped, Canadian cavalry fight on a causeway, and an American unit races for a Rhine bridge

Tim Shaw and Fuzz Townshend head to Eastbourne on a quest to secretly restore a 1962 Mini Cooper S. This particular model belongs to farmer Keith, who has raced and rallied cars for most of his life, until he was struck down with serious heart problems. Although his racing days are over, Keith can't let go of his beloved Mini Cooper, even though it has been rotting away in a shed for decades

Tim Shaw and Fuzz Townshend head to Lincolnshire where the embodiment of a once luxurious era awaits, a 1929 Rolls-Royce 'doctor's coupe'. When Emily's father died and left the car in her hands, she had no idea what to do with it and so this luxurious leviathan of a car ended up rotting away in her garage

The Danley Demolition Crew wants to gamble on a 1730s New Hampshire farmhouse. However, it becomes apparent the owner intends to keep the salvage, which includes some unique items including parts to an ultralight aircraft