Destroyer of Worlds. When spring finally arrives in Alaska, the landscape and waterways come back to life with a vengeance as the snow and ice melt. 12/20. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Oregon. Ben spends time with Pirate Rob, who lives for half the year with his 18-year-old son Damien in a sandbag house on an island in the middle of an industrial river in Oregon. 3/12. 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.

Series 1, Episode 6. Hidden deep in the forests of Vietnam a local man, Mr Ho Khanh, made an extraordinary discovery - possibly the world's largest cave. But to film there first the Planet Earth III team have to get there. 6/7. A behind-the-scenes look at the final chapter of the Planet Earth trilogy, which explores the greatest habitats on our amazing planet.

Series 1, Episode 7. To film the impact that fires are having on the Amazon, the Planet Earth II team join a local fire brigade as they tackle a fire that has been buring for two days. 7/7. A behind-the-scenes look at the final chapter of the Planet Earth trilogy, which explores the greatest habitats on our amazing planet.

Kenilworth Castle 2. The team make a second visit to Kenilworth Castle in the Midlands, where finds include some early Meccano toys, a Special Ops radio set used behind the lines in WWII and a set of nursing medals that span three global conflicts. 22/22. 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.

Next. Sandi Toksvig hosts the 'Next' episode of QI with Lucy Porter, Frankie Boyle, Ross Noble and Alan Davies. 15/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

New. Sandi Toksvig finds out what's 'New' with Jo Brand, Clive Anderson, Jimmy Carr and Alan Davies. 16/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Series 1, Episode 1. Nearly seventy years since David Attenborough first visited Raine Island the Planet Earth III team return to film the nesting green turtles. 1/7. A behind-the-scenes look at the final chapter of the Planet Earth trilogy, which explores the greatest habitats on our amazing planet.

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.

Open Wounds. The Alaskan residents are either hunting birds to stock up their freezers, training their young families how to fish or training up a puppy to be a hunting dog. 15/19. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Crickhowell, Wales. Ben meets the Powell family who are living an off-grid existence in a hidden valley in the Black Mountains in Wales. While there he helps plant the biggest new woodland in Wales for a generation. 7/10. 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.

Italian Week. The bakers face a Sicilian signature, a deceptively tricky technical, and a fiddly showstopper in the hottest temperatures ever recorded in the tent. 7/10. 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 2, Episode 21. Teams of contestants compete for cash by crossing a bridge made up of stepping stones across the studio floor. 21/25. Teams of contestants compete for cash by crossing a bridge made up of stepping stones across the studio floor.

Next. Sandi Toksvig hosts the 'Next' episode of QI with Lucy Porter, Frankie Boyle, Ross Noble and Alan Davies. 15/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

New. Sandi Toksvig finds out what's 'New' with Jo Brand, Clive Anderson, Jimmy Carr and Alan Davies. 16/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Open Wounds. The Alaskan residents are either hunting birds to stock up their freezers, training their young families how to fish or training up a puppy to be a hunting dog. 15/19. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Crickhowell, Wales. Ben meets the Powell family who are living an off-grid existence in a hidden valley in the Black Mountains in Wales. While there he helps plant the biggest new woodland in Wales for a generation. 7/10. 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.

Kenilworth Castle 2. The team make a second visit to Kenilworth Castle in the Midlands, where finds include some early Meccano toys, a Special Ops radio set used behind the lines in WWII and a set of nursing medals that span three global conflicts. 22/22. 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.

Italian Week. The bakers face a Sicilian signature, a deceptively tricky technical, and a fiddly showstopper in the hottest temperatures ever recorded in the tent. 7/10. 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.

Next. Sandi Toksvig hosts the 'Next' episode of QI with Lucy Porter, Frankie Boyle, Ross Noble and Alan Davies. 15/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

New. Sandi Toksvig finds out what's 'New' with Jo Brand, Clive Anderson, Jimmy Carr and Alan Davies. 16/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Chasing Ghosts. With Alaska in bloom, its residents must continue to utilize their days to pursue resources and opportunities to enrich their lives. 16/19. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Suffolk. Ben journeys to the Suffolk countryside and a secretive patch of woodland, to spend the week with unique character Will, 50, who could be described as a true British caveman. 8/10. 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.

Woodhorn Museum 2. The team are at Woodhorn Museum in Northumberland, a former colliery, where treasures include a gold Rolex from the 1980s and FA Cup medals won by a Newcastle United legend. 1/20. 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.

Forgotten Bakes. Our bakers are stepping back in time and using unfamiliar recipes for Forgotten Bakes week. There's a sweet and savoury signature challenge and Prue sets the technical. 8/10. 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 5, Episode 3. With Joe Lycett hosting, the remaining home sewers head back in time to the 1970s, attempting to revive the glamorous, rebellious and sometimes ridiculous, style of the decade. 3/8. 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 2, Episode 22. Teams of contestants compete for cash by crossing a bridge made up of stepping stones across the studio floor. 22/25. Teams of contestants compete for cash by crossing a bridge made up of stepping stones across the studio floor.

Ologies. Sandi Toksvig looks at some Ologies with Bill Bailey, Phill Jupitus, Claudia Winkleman and Alan Davies. 1/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Organisms. Sandi Toksvig looks at multiple organisms with Nish Kumar, Holly Walsh, Cariad Lloyd and Alan. 2/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Series 4, Episode 1. Judges Keith Brymer Jones and Rich Miller set the 12 new potters two challenges against the clock: to throw a cheese set and port chalices, as the battle of clay kicks off at the wheel. 1/10. 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.

Dame Joan Collins. Louis Theroux travels to the glamorous French Riviera to spend time with actress, author, and one of the last surviving icons of Hollywood's golden age, Dame Joan Collins. 3/6.

Strange New World. The last few weeks of summer are upon Alaskans, bringing the need for hunting, fishing and harvesting bounty in the Arctic. 16/19. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Series 31, Episode 1. Graham Norton presents a lively chat show featuring Kylie Minogue, Stephen Graham, David Mitchell, Mawaan Rizwan and Mae Muller. 1/21. Graham Norton introduces another instalment of his trademark mix of cheeky celebrity chat and live music performances.

Series 2, Episode 22. Teams of contestants compete for cash by crossing a bridge made up of stepping stones across the studio floor. 22/25. Teams of contestants compete for cash by crossing a bridge made up of stepping stones across the studio floor.

Ologies. Sandi Toksvig looks at some Ologies with Bill Bailey, Phill Jupitus, Claudia Winkleman and Alan Davies. 1/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Organisms. Sandi Toksvig looks at multiple organisms with Nish Kumar, Holly Walsh, Cariad Lloyd and Alan. 2/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Series 4, Episode 1. Judges Keith Brymer Jones and Rich Miller set the 12 new potters two challenges against the clock: to throw a cheese set and port chalices, as the battle of clay kicks off at the wheel. 1/10. 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.