1/2 Sreath air eachdraidh fìon. Documentary about the history of wine. (R)
Watch from start
22/25 Michael Portillo learns the ancient art of making butter. (R)
3/3 Barra Best hears how the Fermanagh railways were used in a game of wartime espionage. (R)
BBC One Northern Ireland, Northern Ireland HD only
Voyaging further into deep space, with astronomer, Dr Lucie Green
BBC World Service
Michael Wood tells the story of Mary Arden, an ordinary woman in a time of revolution. (R)
Andy Martin asks what influence loyalists retain on the politics of Northern Ireland.
BBC Radio 4
Lucinda Lambton reports on the struggle to save 20th-century buildings from demolition.
BBC Radio 4 Extra
17/21 The amazing charity work on the island of Lewis.
2/2 David Hayman explores Germany's World War One U-Boat threat. (R)
2/2 The increasing number of patients whose lives are on hold as they wait for an organ.
BBC One Scotland, Scotland HD only