BBC Four HD

Programmes start at 7.00pm.

Michael Portillo ventures deep underground onto London's newest railway: the Elizabeth Line. He travels across London before transferring to the Epping Ongar Heritage Railway.

Five-part series in which explorer Paul Rose walks the South West Coast Path. Here, he explores the rugged north Cornish coast and takes a grand tour of Tintagel Castle.

Brian Cox looks at our attempts to discover whether we are alone in the universe.

Explorer Bruce Parry travels to the frozen tundra of Northern Siberia, spending a month with a brigade of Nenet reindeer herders during their winter migration.

Seminal 1982 spy drama series. Smiley is hot on the trail leading to Karla but must make the ultimate sacrifice - cutting off his wife Ann.

Seminal 1980s spy drama series. The final confrontation between Smiley and Karla takes place. But in this game there are no victors, only losers.

How the spy novel allows readers to engage with big questions about the human condition.

Michael Portillo ventures deep underground onto London's newest railway: the Elizabeth Line. He travels across London before transferring to the Epping Ongar Heritage Railway.

Explorer Bruce Parry travels to the frozen tundra of Northern Siberia, spending a month with a brigade of Nenet reindeer herders during their winter migration.

Brian Cox looks at our attempts to discover whether we are alone in the universe.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

Michael Portillo continues his rail exploration of the east of England.

Paul Rose walks the South West Coast Path. Here, he explores the spectacular South Cornwall coastline, where he discovers one of the world's finest stages at the Minack Theatre.

Colourful, historical epic in which two British soldiers (Sean Connery and Michael Caine) in colonial India venture to uncharted realms in search of wealth and power. Deals with adult themes.

A look at the life of Sean Connery, using rarely seen television interviews and classic archive clips to tell the story of his life and career. Narrated by Sylvia Syms.

The Allies have a daring plan to stop World War II by the end of 1944, called Operation Market Garden. Could it work? Or are they going a bridge too far? Contains some strong language.