BBC four

Dr Helen Czerski reveals the latest scientific insights into icebergs. From side-scanning sonar that scrutinises the edge of glaciers where icebergs are born, to satellite images that show how icebergs create hotspots for life and eyewitness pictures that give us a unique glimpse of how they transform over time, we can now capture on camera the mysteries of icebergs – and how their lifecycle is in

An episode from 1999 of the much-loved TV classic that looks inside the homes of the rich and famous, where Loyd Grossman explores Donald Trump's Mar-a-Lago home in Palm Beach, Florida. Sir David Frost also sits down with the 47th president and discusses a number of topics, including his property empire, whether he would like to purchase Buckingham Palace and the economy of the United States. Also

Coverage of the 2025 Masters tournament from Alexandra Palace in London.

Dramatisation of one of the most ingenious escape bids of World War II. In camp Stalag Luft III, the Nazis have built the prisoners' huts so far from the fence that underground escape is virtually impossible. One British officer, inspired by the tale of the Trojan Horse, proposes a daring plan to start a tunnel close to the boundary using a wooden vaulting horse as cover.

A look back at the great British war films that boosted the nation's morale in the postwar years and launched the careers of some of our best-loved actors and directors. Featuring contributions from the likes of Noel Coward, Richard Attenborough, David Lean, Alec Guinness, Kenneth More and John Mills, the programme examines classic films like In Which We Serve, Reach for the Sky, Bridge on the Riv