BBC Four HD SkyTV

4/8. The Demir investigation feels like a wild goose chase until Ikmen decides to look much deeper into the past. Leyla begins to remember things from before her accident. [S,AD] [HD]

Michael Parkinson in conversation with Kenneth Allsop, Lauren Bacall and Tom Paxton. First transmitted in 1972. [S]

8/8. Classic sitcom. MPs have been complaining about their phones being tapped. Jim Hacker naturally denies this, only to be told by Sir Humphrey that it is in fact true. [S]

2/6. Sitcom. Hyacinth has asked the new vicar to tea, and - in her usual meticulous way - she has organised the event down to the last sugar lump. Events take a sudden turn. [S]

3/5. It's a scorcher as Gareth Edwards and wife Maureen get to the seaside resort of Llandudno. [S] [HD]

Leonard Sachs presents the old-time music hall show from the City Varieties Music Hall. With Ken Dodd, Lyn Kennington, the Jan Hunt Panto and performers from the Players' Theatre. [S]

3/6. The mayor of Titterslow wants Hetty to find his daughter, but there must be no publicity and no police. [S]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

1/6. Dan Cruickshank looks at the architecture of Norfolk with the help of Nikolaus Pevsner's architectural guide. [S]

How thousands of strange nocturnal birds make their home on the island of Bardsey in north Wales, and an exploration of the history of the island itself. [S]

Celebrating great music making across Europe, a special concert marking Finnish Independence Day from Helsinki, also featuring music by Saariaho and Klami. [S] [HD]

3/3. Lucy explores how British history is a concoction of fibs. She debunks the fibs that surround the 'jewel in the crown' of the British Empire - India. [S,AD] [HD]

Monsoon weather, remote locations and raw performances feed this hypnotic adaptation. Contains some scenes which some viewers may find upsetting. [S,AD] [HD]

A lighthouse-keeper's daughter is trapped in her marriage and longs for the sea. From 1953. [S]

3/3. Northern Australia becomes the final frontier as settler expansion accelerates. Contains some scenes which some viewers may find upsetting. [S,AD] [HD]

1/6. Dan Cruickshank looks at the architecture of Norfolk with the help of Nikolaus Pevsner's architectural guide. [S]

3/3. Lucy explores how British history is a concoction of fibs. She debunks the fibs that surround the 'jewel in the crown' of the British Empire - India. [S,AD,SL] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

1/7. Antarctica - the coldest, windiest, most hostile continent. Only the toughest can survive here. But the ocean here is warming and with that comes an uncertain future. [S,AD] [HD]

2/3. A lost thousand-year-old ship transforms the fierce reputation of the Vikings. [S,AD] [HD]

Panel game of word definitions and deceptions hosted by Robert Robinson with team captains Frank Muir and Patrick Campbell and guests Diana Quick, Robert Powell, Anouska Hempel and Nigel Havers. [S]

Joseph Cooper invites viewers to match their musical wits against guests Joyce Grenfell, Robin Ray and Richard Baker. With guest musician Alfredo Campoli. [S]

Dr Hannah Fry and a virtual host present a new way of making television. Contains some strong language and some upsetting scenes. [S] [HD]

Horizon explores the artificial intelligence required to replace human drivers and explores the implications of a driverless world. First broadcast in 2017. [S] [HD]

...Ages of British Sculpture. 3/3. Alastair Sooke looks at the 20th century's mixture of innovation, scandal and creativity. Contains some strong language. [S] [HD]

Joseph Cooper invites viewers to match their musical wits against guests Joyce Grenfell, Robin Ray and Richard Baker. With guest musician Alfredo Campoli. [S]

1/7. Antarctica - the coldest, windiest, most hostile continent. Only the toughest can survive here. But the ocean here is warming and with that comes an uncertain future. [S,AD] [HD]

2/3. A lost thousand-year-old ship transforms the fierce reputation of the Vikings. [S,AD,SL] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

4/6. How the process of building Britain's canals resulted in furthering geological knowledge, as surveyor William Smith created the first geological map of England and Wales. [S] [HD]

1/2. Derek Brockway walks in Dylan Thomas's footsteps around Swansea before heading to the Llansteffan Peninsula and the Three Rivers estuary. [S] [HD]

3/6. Sitcom about a snobbish housewife. Hyacinth is looking forward to visiting her favourite stately home, but the trip goes wrong when her family become involved. [S]

1/6. Sitcom about a middle-aged man who lives with his parents. Timothy meets a girl at his amateur dramatics society and wants to go on a riverboat shuffle with her. [S]

Simon Schama looks back on his ambitious series A History of Britain, a journey through 5,000 years of life in the British Isles. [S] [HD]

1/7. Simon Schama begins his history of Britain at the miraculously preserved Stone Age cottages of Skara Brae in Orkney and then moves on to the world of Anglo-Saxon England. [S,AD]

A group of sex workers in Kolkata reclaim their narrative through film-making. Contains some strong language. [S] [HD]