BBC Four HD

Programmes start at 7.00pm.

Professor Ben Garrod explores how some snakes can see using heat, how crocodiles feel through their jaws, and how some animals use electricity to navigate their world.

Poet John Wedgwood Clarke explores the Red River in Cornwall. Despite being heavily polluted by centuries of tin mining, it is also home to some rare, beautiful and resilient wildlife.

As Britain lives in fear of invasion, squadrons of fighter pilots fend off attacks by air.

A repressed and bullied teenager discovers that she has special powers. Horror. Contains some strong language, some violence and some upsetting scenes.

Master of horror writing Stephen King talks to Mark Lawson about his book Lisey's Story and discusses the inspiration for his novels and how he battled with his own demons.

Professor Ben Garrod explores how some snakes can see using heat, how crocodiles feel through their jaws, and how some animals use electricity to navigate their world.

Poet John Wedgwood Clarke explores the Red River in Cornwall. Despite being heavily polluted by centuries of tin mining, it is also home to some rare, beautiful and resilient wildlife.

After years in the shadows, UFOs are being studied seriously. Follow scientists as they try to unravel the mystery of the strangest objects in our skies.

Master of horror writing Stephen King talks to Mark Lawson about his book Lisey's Story and discusses the inspiration for his novels and how he battled with his own demons.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

Jamie Theakston presents the pop chart programme, first broadcast on 21 July 2000 and featuring The Corrs, Steps, Aaliyah, Darude, *NSYNC, Moloko and Ronan Keating.

Jamie Theakston presents the pop chart programme, featuring Ronan Keating, Savage Garden, Placebo, Shanks & Bigfoot, Destiny's Child, Louise, Robbie Williams and Five & Queen.

David Jensen and John Peel present the pop chart programme, first broadcast on 10 November 1983. Features Musical Youth, Adam Ant, Eurythmics, Limahl, The Cure and Billy Joel.

Simon Bates and Richard Skinner present the pop chart programme. Featured artists include Limahl, Alison Moyet, Billy Ocean, Gary Numan, Eugene Wilde and Chaka Khan.

Noel Edmonds presents the pop chart programme, first broadcast on 26 August 1976 and featuring Manfred Mann's Earth Band, Robin Sarstedt, Acker Bilk and Elton John & Kiki Dee.

In a concert from 1979, Lena Martell performs in the big top at Callendar Park, Falkirk. She is accompanied by The Tony Mansell Singers and Brian Fahey and the Scottish Radio Orchestra.

Portrait of Canadian singer, songwriter, poet and novelist Leonard Cohen, recorded in 1988. Featuring interviews, archive film and live performances from his world tour.

Compilation of performances from 1970s singer-songwriters, including Don McLean, Tim Buckley, John Martyn, Sandy Denny, Stealers Wheel and Gerry Rafferty and Joni Mitchell.

Compilation of performances from 1970s singer-songwriters, including Tom Paxton, Harry Nilsson, Gordon Lightfoot, Stealers Wheel, John Denver, Ronnie Lane and Billy Joel.

David Jensen and John Peel present the pop chart programme, first broadcast on 10 November 1983. Features Musical Youth, Adam Ant, Eurythmics, Limahl, The Cure and Billy Joel.

Simon Bates and Richard Skinner present the pop chart programme. Featured artists include Limahl, Alison Moyet, Billy Ocean, Gary Numan, Eugene Wilde and Chaka Khan.

Noel Edmonds presents the pop chart programme, first broadcast on 26 August 1976 and featuring Manfred Mann's Earth Band, Robin Sarstedt, Acker Bilk and Elton John & Kiki Dee.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

At the jungle animal hospital in Guatemala, the wards are full of exotic patients, many of them orphans rescued from the illegal pet trade.

The life and culture of the skilled craftsmen and farmers of the Kingdom of Mourne in Northern Ireland is explored.

Michael Palin visits Hanoi, takes a sampan on the Perfume River, witnesses psychic surgery, travels to the Cu Chi tunnels but fails to see the Banaue rice terraces.

Miss Marple is convinced that the death of schoolgirl Pamela Reeve holds the key to the mystery of the double murder.

Francois Truffaut's classic thriller. A woman seeks revenge following the death of her groom on their wedding day.

Mark Cousins talks to French actress Jeanne Moreau in Paris about her career as they look at clips from her films. Contains some strong language.

French director Francois Truffaut looks back candidly at his life and career.

Roger has been haunted by a recurring dream. What is lurking in the room in the tower.

Edith Nesbit recounts the chilling tale of newlywed Victorians Jack and Laura and the legend of two marble tomb effigies who are said to rise each year and walk.

Can experiments bring the breath of life to the horrifying bag of bones, Lot No 249? Contains horror.

Miss Marple is convinced that the death of schoolgirl Pamela Reeve holds the key to the mystery of the double murder.

British Rail decides to close down the local station, and Audrey goes into battle.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

A look at Pembrokeshire's wild and rugged coast, where life is defined by the rhythm of the seasons and the power of the sea.

Lucy Worsley tells the story of Bolsover Castle in Derbyshire.

Moving stories of loss and remembrance, told by the loved ones of those killed in action.

Stars of theatre, television and film, including Jeremy Brett, Richard Briers, Ian McKellen and Christopher Walken, describe the challenge of playing Shakespeare's Hamlet.

Steven Berkoff remembers the 1964 BBC production Hamlet at Elsinore.

1964 production of Shakespeare's famous play. Filmed in Elsinore, Denmark.