BBC Four HD

As Robbie makes his way to Ripon in North Yorkshire, he tackles the fast-flowing River Ouse and is forced to make an emergency stop.

A journey into the eye-opening realm of insects to explore how scientists are using traditional and cutting-edge techniques to search for a single, common insect ancestor.

How fear and hatred of Bolshevism drove many Germans to fight to the bitter end. Contains scenes which some viewers may find disturbing.

Lucinda Lambton investigates the history of Castle Leslie in Ireland.

On the night of the 1987 hurricane, Nicky leaves Mary. Tosker finds comfort in Elaine. Contains some strong language and some scenes of a sexual nature.

1995: Nicky goes back to his roots and to Mary. Geordie has become an alcoholic, and Tosker realises his dream of a floating nightclub. Contains some strong language.

Could alien life exist closer than we think - perhaps right next door? The team investigate evidence that suggests the search for life beyond Earth may lie within our own solar system.

Narrowboater Robbie Cumming explores the Victorian village of Saltaire in West Yorkshire and moors up for the weekend in Leeds Dock.

As Robbie makes his way to Ripon in North Yorkshire, he tackles the fast-flowing River Ouse and is forced to make an emergency stop.

A journey into the eye-opening realm of insects to explore how scientists are using traditional and cutting-edge techniques to search for a single, common insect ancestor.

Michael goes on a tour around Heathrow Airport, taking an eerie walk around the mothballed Terminal 1 building and ending up atop the iconic 87.5 metre control tower.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

Michael Portillo boards the West Highland Line to begin a railway journey across Scotland's central belt, from the Arrochar Alps to the Loch of the Lowes.

Ben Robinson explores the Cornish fishing village of Port Isaac, behind whose quaint facade lies something far more gritty.

Immersive documentary chronicling Gustave Eiffel's extraordinary feat of engineering.

An intimate portrait of a fiercely independent Hollywood star who left it all behind to live life on her own terms. Contains some strong language.

An ex-police officer, who suffers from an intense fear of heights, is hired to trail an old friend's wife.

Alfred Hitchcock in conversation with fellow director Bryan Forbes. From 1969. Contains some scenes which some viewers may find upsetting.

An intimate portrait of a fiercely independent Hollywood star who left it all behind to live life on her own terms. Contains some strong language.

Michael Portillo boards the West Highland Line to begin a railway journey across Scotland's central belt, from the Arrochar Alps to the Loch of the Lowes.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

Jayne Middlemiss presents the pop chart programme, featuring Britney Spears, Mint Royale feat Lauren Laverne, Lyte Funky Ones, Andreas Johnson, Daphne & Celeste and Gabrielle.

Jayne Middlemiss presents the pop chart programme, first broadcast on 11 February 2000 and featuring Andreas Johnson, Fierce, The Tamperer feat Maya, Sash!, Oasis and Gabrielle.

Peter Powell and Simon Bates present the pop chart programme, first broadcast on 16 July 1987 and featuring Pet Shop Boys, Hue and Cry, Bruce Willis and Kenny G.

Mark Goodier presents the pop chart programme, first broadcast on 19 July 1990 and featuring Paul Young, Inspiral Carpets and Dream Warriors.

Bob Harris introduces Linda Ronstadt in concert at the New Victoria Theatre, London, in 1976.

Musical biography of Linda Ronstadt, one of the most successful female singers - and recording artists - of all time. Contains some strong language.

How the three country singers ended up uniting as close harmony singers on the Trio album.

Jayne Middlemiss presents the pop chart programme, featuring Britney Spears, Mint Royale feat Lauren Laverne, Lyte Funky Ones, Andreas Johnson, Daphne & Celeste and Gabrielle.

Jayne Middlemiss presents the pop chart programme, first broadcast on 11 February 2000 and featuring Andreas Johnson, Fierce, The Tamperer feat Maya, Sash!, Oasis and Gabrielle.

Peter Powell and Simon Bates present the pop chart programme, first broadcast on 16 July 1987 and featuring Pet Shop Boys, Hue and Cry, Bruce Willis and Kenny G.

Mark Goodier presents the pop chart programme, first broadcast on 19 July 1990 and featuring Paul Young, Inspiral Carpets and Dream Warriors.

How the three country singers ended up uniting as close harmony singers on the Trio album.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

The touching story of a rescued giant otter cub being raised by a Brazilian naturalist.

The story of life from the first primitive cells to the plants and animals that live around us. David Attenborough looks at some of the 30,000 fish species.

Paul Rose tells the story of Fridjtof Nansen who, in 1892, announced a daring plan to be first to the North Pole and who became the forefather of polar exploration.

Gabriel's wife, Irène, conducts her own investigation into her husband's alleged death. Contains some strong language, prolonged violence and upsetting scenes.

The army's General Staff orders the elimination of the Germans' superhuman, now the Sentinels' primary enemy. Contains some strong language, prolonged violence and some upsetting..

Relentless detective work links the death of Berghoff to an unsolved murder in Austria. Deals with adult themes.

As Kramer is told to downsize the team, they finally get a solid lead. Deals with adult themes.