3/7 A look at Castle Levan and Glamis Castle. (R)
16/25 Michael Portillo takes a walk through the world's first underwater tunnel at Rotherhithe. (R)
The scientific breakthroughs that have transformed our understanding of the universe. (R)
1/2 The director and historian on the golden age of Hollywood, with archive interviews.
BBC Radio 4 Extra
Major General Andrew Mackay finds out what has been achieved in Afghanistan
BBC World Service
1/2 Documentary following three teenage girls who are all surviving on under £10 a day. (R)
4/6 Michael Portillo finds out about the birth of Britain's long alliance with the Portuguese.
3/5 Stephen Nolan chats to Calum Best about Calum's struggle with alcohol.
BBC One Northern Ireland, Northern Ireland HD only
A bizarre story of addiction, lust and murder on Scarp in the late 19th century. (R)
Biography of Nashville, the city that has been the hub of country music since 1925. (R)