Fiona Bruce and the experts visit an active air base at Marham in Norfolk.

Items include a carved tribute to a Spitfire pilot who was killed in action; and an early refrigerator.

Included: early designs for a flying machine; and the story of a sailor lost during the Battle of the Bismarck Sea.

Favorite finds of 2012; and some of the year's colorful guests. Included: a British flag captured by the Japanese during the fall of Singapore in World War II.

The team head to Scotland for a busy day in the grounds of Cawdor Castle near Inverness.

The team discover rare treasures on a visit to Chatham's historic dockyards.

Fiona Bruce and the experts gather in a packed Cheltenham Town Hall as visitors arrive for another busy day of evaluations.

Fiona Bruce and the experts make a return visit to Cheltenham Town Hall. Featured family treasures include a valuable silver fruit bowl damaged when thrown in a domestic tiff, relics of Captain Scott's last expedition to the South Pole and a humble house brick with an important story.

A return visit to Castle Coole near Enniskillen in Northern Ireland. Fiona Bruce and the team of experts welcome visitors as they bring their family treasures for inspection.

Fiona Bruce and the team head for the races as they arrive at Chepstow Racecourse in Wales. Family treasures featured include medals from early Olympic Games, awarded when tug-of-war was a competing sport; a light bulb containing a painstakingly-made model of Lincoln Cathedral gifted by a German prisoner of war in World War 2; and perhaps the oddest and one of the oldest pieces of glass ever featured on the programme, which excites curiosity for its near-perfect condition over three hundred years after it was made.