BBC Four HD

Programmes start at 7.00pm.

Professor Ben Garrod explores how skin has evolved remarkable ways to enable animals to communicate with each other, from vibrant displays of colour to skin pouches to amplify sound.

Derek Brockway walks in Dylan Thomas's footsteps around Swansea before heading to the Llansteffan Peninsula and the Three Rivers estuary.

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

Sitcom. Richard is worried that Hyacinth's attendance at an exclusive auction is going to cost him a lot of money. However, he ends up with a very different problem.

Professor Robert Bartlett explores the impact of the Normans on southern Europe and the Middle East, as they spread south in the 11th century.

Documentary following two Syrian film-makers as they navigate the UK asylum system. Contains some strong language and upsetting scenes.

Film following Evgenia Kara-Murza as she campaigns for her imprisoned husband, Vladimir. Contains scenes which some viewers may find upsetting.

In this mind-bending film, Jim Al-Khalili explores the universe at its smallest, from tiny insects to living cells and viruses, before finally arriving at the atom.

Professor Ben Garrod explores how skin has evolved remarkable ways to enable animals to communicate with each other, from vibrant displays of colour to skin pouches to amplify sound.

Derek Brockway walks in Dylan Thomas's footsteps around Swansea before heading to the Llansteffan Peninsula and the Three Rivers estuary.

Professor Robert Bartlett explores the impact of the Normans on southern Europe and the Middle East, as they spread south in the 11th century.

In this mind-bending film, Jim Al-Khalili explores the universe at its smallest, from tiny insects to living cells and viruses, before finally arriving at the atom.

Programmes start at 7.00pm.

Programmes start at 7.00pm.

What is the most toxic animal on earth? Why is a rhino armour plated? Professor Ben Garrod discovers the complex ways in which skin helps defend animals against threats of all kinds.

Derek Brockway learns how New Quay on Cardigan Bay inspired some of Thomas's greatest work, before touring Laugharne with Dylan Thomas's granddaughter.

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.

Architect Sir Norman Foster looks at the jumbo jet, a unique 'building' that flies. First broadcast in 1991.

An attempt to restage the first official broadcast on British television 80 years later.

Dramatisation of the events of 1936, as the BBC prepares for the world's first high-definition TV service. However, behind the scenes at Alexandra Palace complications arise.

A short film from 1936 that gives viewers an insight into how television came to Alexandra Palace.

Profile of John Logie Baird, the man who invented television, presented by his son Malcolm. Contains scenes of flashing images.

Leslie Mitchell traces the origins of television, from the beginning of the 20th century to the first outside broadcast - the coronation of George VI in 1937. Contains scenes of flashing images.

What is the most toxic animal on earth? Why is a rhino armour plated? Professor Ben Garrod discovers the complex ways in which skin helps defend animals against threats of all kinds.

Derek Brockway learns how New Quay on Cardigan Bay inspired some of Thomas's greatest work, before touring Laugharne with Dylan Thomas's granddaughter.

Programmes start at 7.00pm.

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.