Run Aground. Alaskans are in the home stretch of preparing for the upcoming winter. 17/20. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Columbia. In Dorset, Ben spends a week with Chris, a former paratrooper who has spent the last five years walking the UK's coastline, finding love and raising thousands for charity. 8/12. Adventurer Ben Fogle meets people who have turned their backs on Western society and set up home in some of the most isolated locations on Earth.

Episode 1. See how CGI imagery, the latest scientific research and archive footage created the series. In this episode: looking at the sun. 1/5. This series combines stunning CGI imagery, the latest scientific research and archival footage captured during scientific missions to immerse viewers in the expansive and dramatic story of the universe, from its moment of inception 13.8 billion years ago, to what could be its ultimate fate, trillions upon trillions of years in the future.

Episode 6. A behind-the-scenes look at the series that explores the most successful animal group on Earth, from the tiny Etruscan shrew to the largest mammal in existence - the blue whale. 6/6. A behind-the-scenes look at the series that explores the most successful animal group on Earth, from the tiny Etruscan shrew to the largest mammal in existence - the blue whale.

Entertainment Special. As part of its 40th anniversary series, Antiques Roadshow arrives on the set of EastEnders for a special episode celebrating the history of entertainment. 6/26. Experts invite the public to bring along their antiques for examination. Some find their 'bric-a-brac' to be worth much more than they ever suspected.

Incomprehensible. Stephen Fry asks questions on the subject of Incomprehensible with guests Sue Perkins, Ross Noble, Prof. Brian Cox and the ever-present Alan Davies. 7/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Ulster Folk Museum 2. Fiona and the team visit the Ulster Folk Museum near Belfast, where treasures include an unusual black opal, some creepy dolls and medals awarded for the Easter Rising in Dublin in 1916. 7/20. Experts invite the public to bring along their antiques for examination. Some find their 'bric-a-brac' to be worth much more than they ever suspected.

Dyffryn Gardens 2. Fiona and the team are at Dyffryn Gardens near Cardiff, where treasures include a ship's chest from the Empire Windrush, a clock that runs on air and a huge collection of Clarice Cliff. 8/20. Experts invite the public to bring along their antiques for examination. Some find their 'bric-a-brac' to be worth much more than they ever suspected.

Episode 3. Romesh Ranganathan is joined by Russell Kane, Kriss Akabusi, Maisie Adam, Dan Snow, Nina Wadia, Lesley Joseph, Judy Murray and Georgia Toffolo. 3/10. Comedian Romesh Ranganathan takes charge of the back-stabbing, big money, game show. Can the contestants create a chain of answers and avoid being the weakest link?

Episode 4. Host Romesh Ranganathan is joined by Dick and Dom, Chris Packham, Michelle Collins, Gemma Cairney, Nikki Fox, Clair Norris and Dev Griffin. 4/10. Comedian Romesh Ranganathan takes charge of the back-stabbing, big money, game show. Can the contestants create a chain of answers and avoid being the weakest link?

Incomprehensible. Stephen Fry asks questions on the subject of Incomprehensible with guests Sue Perkins, Ross Noble, Prof. Brian Cox and the ever-present Alan Davies. 7/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Injustice and Inequality. Stephen Fry asks questions on the subject of Injustice and Inequality with guests Sandi Toksvig, Clive Anderson, Henning Wehn and the ever-present Alan Davies. 8/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Ulster Folk Museum 2. Fiona and the team visit the Ulster Folk Museum near Belfast, where treasures include an unusual black opal, some creepy dolls and medals awarded for the Easter Rising in Dublin in 1916. 7/20. Experts invite the public to bring along their antiques for examination. Some find their 'bric-a-brac' to be worth much more than they ever suspected.

Dyffryn Gardens 2. Fiona and the team are at Dyffryn Gardens near Cardiff, where treasures include a ship's chest from the Empire Windrush, a clock that runs on air and a huge collection of Clarice Cliff. 8/20. Experts invite the public to bring along their antiques for examination. Some find their 'bric-a-brac' to be worth much more than they ever suspected.

Basildon. The team help adapt a home for Brandon, who has an extreme form of epilepsy. 7/25. Nick Knowles and his team enlist an army of volunteers to tackle ambitious building projects, helping families in desperate need.

Swansea. The team find a solution for Jack who has a rare form of muscular dystrophy and is unable to get upstairs to his bedroom. 1/9. Nick Knowles and his team enlist an army of volunteers to tackle ambitious building projects, helping families in desperate need.

Incomprehensible. Stephen Fry asks questions on the subject of Incomprehensible with guests Sue Perkins, Ross Noble, Prof. Brian Cox and the ever-present Alan Davies. 7/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Injustice and Inequality. Stephen Fry asks questions on the subject of Injustice and Inequality with guests Sandi Toksvig, Clive Anderson, Henning Wehn and the ever-present Alan Davies. 8/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Wales. Take a seat on the Cambrian Line and be whisked away on an unforgettable voyage to a lost world, with majestic castles and ingenious Victorian engineering. 3/6. Enjoy six very individual and stunningly beautiful train journeys from around the world. On each one we'll meet the people who work and live along the special rail line in six different countries.

Rome. Joanna continues her travels to Rome, a city like no other on earth. She zips into the city on the back of a Vespa to get her first glimpse of the beauty that awaits. 2/3. The nation's favourite travel companion, Dame Joanna Lumley, is on an adventure to three of the world's greatest cities - Berlin, Paris and Rome - for this documentary series.

Black Country Living Museum. At the Black Country Living Museum, one of the finds is a Faberge treasure given one of the highest valuations ever seen on the show. 7/26. Experts invite the public to bring along their antiques for examination. Some find their 'bric-a-brac' to be worth much more than they ever suspected.

Biscuit Week. The bakers tackle a sophisticated signature, two technicals and an elaborate table setting. 2/10. Twelve enthusiastic contestants face three challenges a week as they take part in a competition to determine which of them is Britain's best amateur baker.

Series 7, Episode 8. It's Music and the Movies Week. The sewers create a dress inspired by Dirty Dancing, a Sound of Music transformation and a disco era-inspired outfit from Dreamgirls. 8/10. Amateur sewers take on challenges as they compete to be Britain's best home sewer. Their creations are judged by Savile Row's Patrick Grant and sewing expert May Martin.

Series 26, Episode 21. Quiz show in which contestants try to score as few points as possible by coming up with the answers that no-one else can think of. 21/55. Quiz show in which contestants try to score as few points as possible by coming up with the answers that no-one else can think of.

Quantity and Quality. Sandi Toksvig looks at Quantity and Quality with James Acaster, Bridget Christie, Joe Lycett and Alan Davies. 14/8. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Quads and Quins. Sandi Toksvig looks at quads and quins with Alan Davies, Aisling Bea, Nish Kumar and David Mitchell. 15/8. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Series 4, Episode 6. It's Terracotta Week and the remaining potters are tasked with making their own range of cookware, before judge Rich Miller sets a second terracotta challenge to engrave tiles. 6/10. The series follows 10 passionate home potters as they strive to create their most intricate and imaginative work, before their pieces are judged by the expert judging duo and a variety of well-known faces and experts from the world of pottery.

Vacuum Cleaner. Hannah takes a look at the vacuum cleaner, going behind the scenes with Dyson and discovering how the motor in their latest vacuum spins nine times faster than that of a Formula One race car. 2/6. Mathematician and television presenter Hannah Fry hosts a series revealing the miraculous technologies that define the modern world.

Like Ghosts. The Hailstones produce an original work of Inupiaq art, and Cole Sturgis ventures into the wilds of the Southeast on a life-or-death hunt. 2/20. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Incomprehensible. Stephen Fry asks questions on the subject of Incomprehensible with guests Sue Perkins, Ross Noble, Prof. Brian Cox and the ever-present Alan Davies. 7/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Injustice and Inequality. Stephen Fry asks questions on the subject of Injustice and Inequality with guests Sandi Toksvig, Clive Anderson, Henning Wehn and the ever-present Alan Davies. 8/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Episode 4. Host Romesh Ranganathan is joined by Dick and Dom, Chris Packham, Michelle Collins, Gemma Cairney, Nikki Fox, Clair Norris and Dev Griffin. 4/10. Comedian Romesh Ranganathan takes charge of the back-stabbing, big money, game show. Can the contestants create a chain of answers and avoid being the weakest link?

Series 26, Episode 21. Quiz show in which contestants try to score as few points as possible by coming up with the answers that no-one else can think of. 21/55. Quiz show in which contestants try to score as few points as possible by coming up with the answers that no-one else can think of.

Series 4, Episode 6. It's Terracotta Week and the remaining potters are tasked with making their own range of cookware, before judge Rich Miller sets a second terracotta challenge to engrave tiles. 6/10. The series follows 10 passionate home potters as they strive to create their most intricate and imaginative work, before their pieces are judged by the expert judging duo and a variety of well-known faces and experts from the world of pottery.