BBC Four HD Tuesday

Michael Portillo continues his travels through England's Home Counties at Stoke Mandeville in Buckinghamshire, before making his way to Beaconsfield

Julia Bradbury sets off in the footsteps of Alfred Wainwright, heading for the summit of Helvellyn via Striding Edge - which she reaches just as cloud and rain descend

Tom draws on every resource in his efforts to practise self-sufficiency, building a generator that runs on animal dung. Comedy, starring Richard Briers and Felicity Kendal

The visiting head of an African nation turns out to be an old friend of Hacker - who is only too willing to do business with him

Sir Simon Schama looks back on his 2006 series, which examined the works of eight artists, and talks about the freedom they had to film some of the world's finest artworks

The historian recounts the stories of how eight masterpieces were created, beginning with Michelangelo Merisi da Caravaggio's David with the Head of Goliath

Ken Dornstein attempts to find those responsible for the terrorist attack in 1988 that destroyed Pan Am Flight 103 over Lockerbie, killing 270 people, including his brother David

Glenn Campbell looks back to December 21, 1988, when a terrorist bomb exploded on board Pan Am Flight 103 above Lockerbie, and explores the enduring impact of the tragedy

Michael Portillo continues his travels through England's Home Counties at Stoke Mandeville in Buckinghamshire, before making his way to Beaconsfield

Julia Bradbury sets off in the footsteps of Alfred Wainwright, heading for the summit of Helvellyn via Striding Edge - which she reaches just as cloud and rain descend

Maggi Hambling compares her life-drawing sessions to a musician practising scales. First broadcast 6 August 1990

The historian recounts the stories of how eight masterpieces were created, beginning with Michelangelo Merisi da Caravaggio's David with the Head of Goliath