U and YESTERDAY+1

Learn about the boom in detective fiction during the interwar era, a time of Agatha Christie and Alfred Hitchcock. Lucy Worsley's chronology of killing climaxes.

Lucy Worsley explores Agatha Christie's haunted, unconventional early life to discover the origins of her talent for murder.

Can the team finally smell profit when they sniff out a bargain Porsche? A DIY job on a Fiat should also keep the accountant happy but will it go to plan.

The team's first purchase is a 1972 VW Fastback, and the second project sees them pick up a 40-year-old police bike.

The first day of the Somme Offensive was the blackest day in the British Army's history. The shocking numbers are revealed as the war retrospective revisits 1916.

Fighting Back by Sea and Air: Britain needed to produce vast amounts of ammunition. Chatham Docks on the Medway saw 142 ships set sail, and bomber bases sprung up across the country.

Fiona Bruce and the team visit Hertford College, Oxford, where the items brought in by the public include a unique recording of a Beatles studio session.

Fiona Bruce presents from Dumfries House in Ayrshire, where Prince Charles talks of the campaign he headed to prevent the sale of the home's furniture.

A rare Honda S800 sports car from 1967 takes Derek's fancy, and a couple of very different Ford Capris with long histories go head-to-head at the auction.

Morris Traveller / Subaru Impreza P: The Mathewsons sell a 1958 Bedford D122 and a 1969 Vanden Plas Princess, and meet a collector who may be willing to part with a huge hot hatch collection.

The first day of the Somme Offensive was the blackest day in the British Army's history. The shocking numbers are revealed as the war retrospective revisits 1916.

Fighting Back by Sea and Air: Britain needed to produce vast amounts of ammunition. Chatham Docks on the Medway saw 142 ships set sail, and bomber bases sprung up across the country.

David Attenborough introduces the wildlife of Asia's mountains, from elephants living in high altitude tea plantations, to gathering of swifts in Thailand's caves.

How animals survive when the northern half of Asia is transformed by snow and ice each year. Featuring footage of Himalayan wolves and the red-crowned crane.

Michael Portillo travels through Queensland from Kuranda to Townsville, learning to harvest sugar cane and hearing how locals withstand tropical storms.

Michael Portillo travels along the eastern coast of Australia from the coal mines of Newcastle, New South Wales, to Brisbane.

David Attenborough narrates a look at life on each continent, revealing how each distinct land mass has shaped the creatures found there, beginning with Antarctica.