Fiona Bruce presents from Salisbury Cathedral, where the experts assess letters from Enid Blyton and original drawings of Judge Dredd.
An edition first aired to mark 80 years since the start of the Second World War.
Items include a magnifying glass linked to a 1939 Pablo Picasso exhibition.
Fiona Bruce looks back at memorable items to find out what happened next.
Items include a rare 12th-century bronze statuette brought from Calcutta in the 1920s.
Experts hear about the first British woman to win an Olympic swimming gold.
A return visit to the National Botanic Garden of Wales in Carmarthenshire.
Commemorating the 80th anniversary of the Battle of Britain and the Blitz.
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