BBC Four HD

Programmes start at 7.00pm.

Documentary exploring Yellowstone, one of the most remarkable places on the planet. Kate Humble gets to grips with the science behind winter at Yellowstone.

Leonard Sachs presents the old-time music hall programme, from the City Varieties Theatre, Leeds. With Ronnie Corbett, Kenneth McKeller, Rosemary Squires and the Looneys.

Hetty is called on by a pair of worried parents, whose deaf son, Malcolm, has disappeared while out birdwatching. Is foul play at hand.

Mike Leigh, icon of British TV and film, looks back on one of his most popular and influential television plays, 1976's classic camping comedy Nuts in May.

A couple's exhausting battle to enjoy an idyllic camping holiday in Dorset. Contains some strong language.

Dramatist Mike Leigh talks to Arena about his work and demonstrates his unique processes of building the characters of his dramas.

2/5. Documentary in which actress Alison Steadman talks about her career, from her earliest appearances on screen. Featuring archive footage and testimony from friends and colleagues.

The papers of a recently deceased head of MI5 show that he was, at one stage, spying for Russia. Worse still, he was investigated and cleared by a committee headed by Sir Humphrey.

Sir Humphrey must stop Jim supporting a plan to move armed service jobs from the south to the north east to ease unemployment.

Hetty is called on by a pair of worried parents, whose deaf son, Malcolm, has disappeared while out birdwatching. Is foul play at hand.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

Coverage from the first day of the 2026 Masters snooker tournament.

Given the unique privilege to preserve a relic belonging to his hero Ernest Shackleton, conservation expert Sven Habermann uncovers the history of the renowned Antarctic explorer.

Documentary which looks at why the most inhospitable place on the planet has exerted such a powerful hold on the imagination of explorers, scientists, writers and photographers.

Documentary which follows the everyday people battling in the most extreme environment on earth to move Halley VI, a vital polar research station.