Albert Sustainable Production

Director Michael Apted revisits the same group of British-born adults after a 7 year wait. The subjects are interviewed as to the changes that have occurred in their lives during the last seven years.

Britain is undergoing a domestic heating revolution - heat pumps are replacing gas boilers and apparently everyone should prepare to put one in their homes. Alexis Conran investigates whether these devices live up to the hype, examining the pros and cons to help consumers choose the best option. Plus, tips on maximising savings.

Documentary paying tribute to one of the most successful managers in the history of Scottish football, Walter Smith. A winner as manager for Rangers and Scotland, Walter Smith was a man whose character won respect across the hard tribal lines of our national game. Featuring rare archive, and told with interview contributions from the people who knew him best and who worked with him throughout his long and varied career, the programme explores the numerous successes at Rangers, his experiences as a manager when he headed south to Everton in the English Premiership, his leadership of the Scotland national men’s team and his sensational return to Rangers in 2007. Walter: A Life in Football follows the highs and lows of Smith’s career, exploring the characteristics that made players, fellow managers and supporters venerate him. He was genuinely loved and revered by many, including titans of the game such as Pep Guardiola and Sir Alex Ferguson.

Sir Trevor McDonald examines the brutal killing of PC Andrew Harper in this crime documentary. Follow the investigation to catch his killers and the campaign to change the law.

A look at the tropical cyclone that hit the American city in August 2005, the largest hurricane to ever make landfall in the US, with more than a thousand lives lost during it. The documentary immerses viewers in extraordinary archive footage, going minute by minute and hour by hour through the devastation that was escalated by failed flood barriers and a poor government response. It was the costliest storm in US history, and its effects are still felt today.

With access to recently-opened court files, Julie Etchingham reveals some of the Stasi's UK operations and asks why its other secrets are yet to be revealed.

A look at the rise of racism in modern football