Tetris: From Russia with Love

Chloe Ayling recounts her 2017 kidnapping, how it changed her life and asks why, eight years later, she and her story are so still so hard to believe.

A tale of ambition, greed and speculation on the art world’s digital frontier, as a get-rich-quick scheme spirals out of control. Told by those at the heart of the drama.

Filmed in Karasjok, Norway - 200 miles north of the Arctic Circle, BBC Four rigs a traditional reindeer sleigh with a fixed camera for a magical journey across the frozen wilderness of the Arctic. Following the path of an ancient postal route, the ride captures the traditional world of the Sami people who are indigenous to northern Scandinavia and for whom reindeer herding remains a way of life. Deliberately unhurried, the rhythmic pace of the reindeer guides us along an epic two-hour trip that takes us over undulating snowy hills, through birch forests, across a frozen lake and past traditional Sami settlements.

The often-hilarious stories of the BBC's first 50 years. The corporation's pioneers describe its evolution – which was often by accident rather than design.

This documentary revealed Peter Sellers obsession with the occult. Sellers was a highly superstitious man who consulted fortune tellers, clairvoyants and mediums to help him make key decisions in his life and work. Many of Sellers important decisions were influenced by Maurice Woodruff - a clairvoyant and astrologer based in London. Advice from the other side was taken on his marriage to Britt Ekland, accepting film roles such as Inspector Clouseau and dealing with his near fatal heart attack.

The story of the "Canoe Man" John Darwin who faked his own death and tried to start a new life with a false identity.

A journey in real time through one of the most spectacular and beautiful bus routes in Britain, the Northern Dalesman, as it snakes across the landscape of the Yorkshire Dales.

Fifty years after his death, this musical and psychological portrait of Ralph Vaughan Williams explores the passions that drove a giant of 20th-century English music.