BBC Four HD SkyTV

Programmes start at 7.00pm. [HD]

27/37. Two more teams begin their quarter-final campaigns, hoping to secure the first of the two wins they need to progress to the semi-finals. Jeremy Paxman asks the questions. [S] [HD]

4/15. Quiz show in which connections must be made between seemingly random subjects. Three students play a trio of Hitchhiker's Guide to the Galaxy fans. [S]

2/5. Professor Brian Cox questions whether we are alone in the universe. There might be more planets than stars in our galaxy - but will we find a second Earth? [S,AD] [HD]

2/6. A look at the extraordinary popularity of both Hitler and the Nazis, as well as the astonishing degree of voluntary support ordinary Germans gave the infamous Gestapo. [S]

Actor Ian Richardson walks up the hill to Arthur's Seat, which overlooks the city of Edinburgh, as he did during lunch hours as a bored office clerk 50 years ago. [S]

Producer W Stephen Gilbert looks back on the 1979 TV play Only Connect. [S] [HD]

Young academic Graham visits the elderly John to learn more about pioneering socialist and gay rights campaigner Edward Carpenter for his thesis on the early UK Labour movement. [S]

Alison Steadman tells the story of groundbreaking 1974 TV drama Girl. Once thought lost forever, the film later resurfaced, giving Alison the opportunity to share her memories. [S] [HD]

1970s drama. Just as she is about to leave the army, Jackie has an encounter with an old lover. Stars Alison Steadman in an early TV role. Contains language which some may find offensive. [S]

2/3. The story of how Vienna, triumphant after the Ottoman threat receded at the end of the 17th century, was transformed from a fortress into a great cultural capital. [S,AD] [HD]

2/3. The story of how Vienna, triumphant after the Ottoman threat receded at the end of the 17th century, was transformed from a fortress into a great cultural capital. [S,AD] [HD]

2/6. A look at the extraordinary popularity of both Hitler and the Nazis, as well as the astonishing degree of voluntary support ordinary Germans gave the infamous Gestapo. [S]

4/15. Quiz show in which connections must be made between seemingly random subjects. Three students play a trio of Hitchhiker's Guide to the Galaxy fans. [S]

2/5. Professor Brian Cox questions whether we are alone in the universe. There might be more planets than stars in our galaxy - but will we find a second Earth? [S,AD,SL] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

28/37. The last of the eight quarter-finalists return to play their first of a maximum of three matches in this round. Jeremy Paxman asks the questions. [S] [HD]

5/15. Quiz show in which connections must be made between seemingly random subjects. Three neuroscientists scrum down against a team of three rugby fans. [S]

...Astronaut - Horizon Special. 8/17. Astronaut Tim Peake's video diary of the two years leading up to his arrival at the International Space Station in December 2015. [S,AD] [HD]

Classic western. After the latest raid by bandits, the villagers in a small settlement in Mexico band together to hire a group of disparate gunfighters to protect them. [1960] [S]

Michael Parkinson in conversation with stage and screen star Yul Brynner. Featuring film clips from The Ten Commandments, The King and I, The Magnificent Seven and Catlow. [S]

4/8. Robert Hughes considers how the Civil War industrialised society, bringing steam power, the Brooklyn Bridge, plutocrats and an urban underclass. [S]

...Astronaut - Horizon Special. 8/17. Astronaut Tim Peake's video diary of the two years leading up to his arrival at the International Space Station in December 2015. [S,AD] [HD]

5/15. Quiz show in which connections must be made between seemingly random subjects. Three neuroscientists scrum down against a team of three rugby fans. [S]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

Gail Porter, Jamie Theakston and Jayne Middlemiss present the pop chart programme, featuring Cliff Richard, Martine McCutcheon, Robbie Williams and Steps and Westlife. [S]

Janice Long and Simon Mayo present the pop chart programme, first broadcast on 18 June 1987, and featuring Samantha Fox, Whitesnake, Tom Jones, ABC and Curiosity Killed the Cat. [S]

Jakki Brambles presents the pop chart programme, first broadcast on 22 June 1990 and featuring Magnum, Big Fun & Sonia, Yazz and Elton John. [S]

Elvis struts his stuff in his own charming and inimitable style. [S] [HD]

Legendary rock 'n' roller Chuck Berry performs at the BBC Television Theatre in 1972. Johnny B Goode, Roll Over Beethoven and Nadine are just some of the highlights. [S]

A look at Elvis Presley's first million-selling release, Heartbreak Hotel. Contains some scenes which some viewers may find upsetting. [S]

Gail Porter, Jamie Theakston and Jayne Middlemiss present the pop chart programme, featuring Cliff Richard, Martine McCutcheon, Robbie Williams and Steps and Westlife. [S]

Janice Long and Simon Mayo present the pop chart programme, first broadcast on 18 June 1987, and featuring Samantha Fox, Whitesnake, Tom Jones, ABC and Curiosity Killed the Cat. [S]

Jakki Brambles presents the pop chart programme, first broadcast on 22 June 1990 and featuring Magnum, Big Fun & Sonia, Yazz and Elton John. [S]

Elvis struts his stuff in his own charming and inimitable style. [S] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

Nature documentary looking at a post office in Antarctica that is surrounded by 3,000 gentoo penguins. [S] [HD]

...Attenborough's Greatest Adventure. The epic story of the blockbuster series that changed David Attenborough's life forever. [S,AD] [HD]

1/13. Landmark natural history series. David Attenborough explores the wildlife and landscape that inspired Charles Darwin's theory of evolution. [S] [HD]

1/3. Evonne Goolagong's Wimbledon debut prompts memories of her rise from Barellan to tennis stardom, while she struggles with the controlling behaviour of her coach Vic Edwards. [S,AD] [HD]

2/3. Evonne navigates controversy, pressure and the fight for equal pay, while personal loss and burnout drive her to walk away from tennis at the peak of her career. [S,AD] [HD]

1/4. Journalist Martin Scarsden investigates the shooting of five parishioners by a priest. Contains strong language, some violence and upsetting scenes. [S,AD] [HD]

2/4. Martin decides to stay on in Riversend to dig deeper into the mystery of Byron Swift. Contains strong language and some violent scenes. [S,AD] [HD]

1/7. Sitcom about the upwardly mobile Hyacinth Bucket. Richard worries about the prospect of early retirement as Hyacinth makes plans for his twilight years. [S]

...Attenborough's Greatest Adventure. The epic story of the blockbuster series that changed David Attenborough's life forever. [S,AD] [HD]

1/13. Landmark natural history series. David Attenborough explores the wildlife and landscape that inspired Charles Darwin's theory of evolution. [S] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

Esther Rantzen finds peace and tranquillity at Salisbury Cathedral, Jack Charlton visits Warkworth Castle in Northumberland and Dora Bryan celebrates the beauty of ballrooms. [S]

...Britain's Lost Railway Journeys. 1/6. A journey back to a lost era of rail travel, when trains had names, character and style. [S,AD] [HD]

3/4. Michael Palin visits Key West, the southernmost city in the USA, to celebrate Hemingway's 100th birthday. He also visits the Murchison Falls in Uganda, and Venice. [S]

4/4. Michael Palin goes to Cuba and samples the places and drinks that Hemingway loved. He also visits the American Wild West, including Yellowstone National Park and Ketchum, Idaho. [S]

Emma Thompson reads poetry and prose. [S]

A selection of Sondheim's finest songs performed by some of the world's greatest stars at the BBC, including Shirley Bassey, Sammy Davis Jr, Michael Ball and Liza Minnelli. [S] [HD]

Dr Janina Ramirez unlocks the secrets of a centuries-old masterpiece in glass, the Great East Window at York Minster, the largest expanse of medieval stained glass in the UK. [S] [HD]

3/4. Michael Palin visits Key West, the southernmost city in the USA, to celebrate Hemingway's 100th birthday. He also visits the Murchison Falls in Uganda, and Venice. [S]

4/4. Michael Palin goes to Cuba and samples the places and drinks that Hemingway loved. He also visits the American Wild West, including Yellowstone National Park and Ketchum, Idaho. [S]

...Britain's Lost Railway Journeys. 1/6. A journey back to a lost era of rail travel, when trains had names, character and style. [S,AD,SL] [HD]

Programmes start at 7.00pm. [HD]

Programmes start at 7.00pm. [HD]

29/37. Phase two of the quarter-final stage begins. Two teams who won their first quarter-finals return to play again. Jeremy Paxman asks the questions. [S] [HD]

6/15. Quiz show in which connections must be made between seemingly random subjects. Three graduates pit their wits against a team with a passion for fine food. [S]

Dr Nina Ramirez reveals the codes and messages hidden in Anglo-Saxon art by examining artefacts like the Sutton Hoo treasures, the Staffordshire hoard and the Franks Casket. [S,AD] [HD]

1/3. How Warhol both glorified and critiqued American culture on his journey from childhood poverty in Pittsburgh to the A-list of New York society. Contains some strong language. [S] [HD]

5/8. Robert Hughes examines how poverty and slum life were often reflected in American art. [S]

3/3. A look at the demise of the Habsburgs and at how Vienna ushered in the modern age. [S,AD] [HD]