Episode 1. In a quarter of a century, Amazon has propelled Jeff Bezos from online bookseller to tech titan. He's the richest man on the planet, and the company he founded is one of the most powerful. Panorama investigates Amazon's rise to corporate superpower and asks whether there is a dark side to our love affair with the company. 1/6. Panorama investigates the rise of Amazon and its huge, obsessive data-gathering operation.

The Foundation. Alaskans must rely on solid foundations to persist through Dark Winter. 7/20. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Crathes Castle 2. Crathes Castle in Aberdeenshire and its beautiful gardens host a Roadshow with a distinctly Scottish flavour, with signed Harry Potter books and ornate silver from Iona. 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.

Series 26, Episode 20. 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. 20/55. 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.

Sideshows, Stunts & Scavenger Hunts. Sandi Toksvig looks at sideshows, stunts and scavenger hunts with Alan Davies, Gyles Brandreth, Rosie Jones and Nish Kumar. 4/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Pork Pies. Gregg Wallace's popular factory tour show will follow the production of pork pies at the Vale of Mowbray factory, Northallerton 5/9. Gregg Wallace, Cherry Healey and Ruth Goodman get exclusive access to some of the largest factories in the world to reveal the secrets behind the epic-scale production of our favourite products.

Free-From Week. The remaining bakers explore alternative ingredients as they make a Signature without dairy, a hearty vegan Technical and a towering gluten-free celebration cake for the Showstopper. 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.

Devon and Cornwall. A scenic journey to the tip of Cornwall. Starting in Devon, this trip crosses the Royal Albert Bridge, heading towards Penzance before joining two picturesque branch lines. 5/6. 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.

Lakes & Dales. Starting in Preston, locomotive 6201 - The Princess Elizabeth - pulls out, hauling stylish 1930s Pullman carriages in its wake, heading towards the Lake District. 6/6. 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.

Series 26, Episode 20. 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. 20/55. 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.

Sideshows, Stunts & Scavenger Hunts. Sandi Toksvig looks at sideshows, stunts and scavenger hunts with Alan Davies, Gyles Brandreth, Rosie Jones and Nish Kumar. 4/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Free-From Week. The remaining bakers explore alternative ingredients as they make a Signature without dairy, a hearty vegan Technical and a towering gluten-free celebration cake for the Showstopper. 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.

Stormont 2. Fiona and the team are in Belfast at the Parliament Buildings on the Stormont Estate. Treasures turning up include a George Best collection and Titanic memorabilia. 23/26. 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.

Pork Pies. Gregg Wallace's popular factory tour show will follow the production of pork pies at the Vale of Mowbray factory, Northallerton 5/9. Gregg Wallace, Cherry Healey and Ruth Goodman get exclusive access to some of the largest factories in the world to reveal the secrets behind the epic-scale production of our favourite products.

Menagerie. Stephen Fry visits the menagerie for a look at some animals which start with the letter M, with Sue Perkins, Romesh Ranganathan, Bill Bailey and Alan Davies. 11/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Medieval and Macabre. Quiz show in which the aim is to be interesting. Stephen Fry meditates on matters medieval and macabre with Julia Zemiro, Matt Lucas and David Mitchell. 12/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Alaska. The railroad journey begins in Anchorage, Alaska, onboard a luxury passenger train and explores the vast wilderness in Alaska, America's largest and remotest state. 10/10. 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.

Headphones. Headphones: these marvels of miniaturisation are worn by 30 million people in the UK. Hannah Fry visits Bose to find out how the teeny earbud tech works and meets the human testers with 'golden ears'. 5/6. Mathematician and television presenter Hannah Fry hosts a series revealing the miraculous technologies that define the modern world.

Cromer Pier 2. The Roadshow comes from Cromer seafront in Norfolk. As visitors crowd the promenade and the pier, the experts uncover some real treasures. 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.

Children's Week. This week the sewers hope to show the judges they can make beautiful clothes on a small scale. 2/8. 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.

Ufology. Sandi Toksvig dusts off her tinfoil hat for a look at ufology with Cally Beaton, Nish Kumar, Tom Ward and Alan Davies. 7/14. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

'U' Animals. Sandi Toksvig, Rhod Gilbert, Lara Ricote, Ahir Shah and Alan Davies look at some animals beginning with 'U'. 8/14. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Series 26, Episode 47. 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. 47/55. 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 14, Episode 7. Jimmy Carr hosts as Lee Mack and Joe Wilkinson take on Jon Richardson and Jessica Knappett. Comedian Nigel Ng joins Susie Dent in Dictionary Corner. With Rachel Riley. 7/13. Combining two of viewers' favourite shows means that viewers get to play along, a bonus for both quiz and comedy fans alike. Jimmy Carr hosts the famous words and numbers quiz, plus etymologist Susie Dent on the letters, and maths whizz Rachel Riley on the numbers.

Episode 4. 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. 4/6. 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.

Series 29, Episode 17. Among the guests joining Graham tonight: Oscar-nominated Pulp Fiction star Uma Thurman, promoting new thriller series Suspicion, and Ariana DeBose, playing Anita in Steven Spielberg's West Side Story. 17/22. Graham Norton introduces another instalment of his trademark mix of cheeky celebrity chat and live music performances.

Episode 1. Stand-up comedian Josh Widdicombe performs at the legendary Hammersmith Apollo. Josh's frustrations are still bubbling over, from his overflowing shower to his contactless card. 1/1. Stand-up comedian Josh Widdicombe performs at the legendary Hammersmith Apollo. Josh's frustrations are still bubbling over, from his overflowing shower to his contactless card.

Episode 1. Bringing his hilarious tour to the legendary Hammersmith Apollo, Dara Ó Briain leads the audience on a rip-roaring journey through expertly crafted routines, cracking one-liners and spontaneous gag-making. 1/1. Bringing his hilarious tour to the legendary Hammersmith Apollo, Dara Ó Briain leads the audience on a rip-roaring journey through expertly crafted routines, cracking one-liners and spontaneous gag-making.

Menagerie. Stephen Fry visits the menagerie for a look at some animals which start with the letter M, with Sue Perkins, Romesh Ranganathan, Bill Bailey and Alan Davies. 11/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Medieval and Macabre. Quiz show in which the aim is to be interesting. Stephen Fry meditates on matters medieval and macabre with Julia Zemiro, Matt Lucas and David Mitchell. 12/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Series 26, Episode 20. 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. 20/55. 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 14, Episode 7. Jimmy Carr hosts as Lee Mack and Joe Wilkinson take on Jon Richardson and Jessica Knappett. Comedian Nigel Ng joins Susie Dent in Dictionary Corner. With Rachel Riley. 7/13. Combining two of viewers' favourite shows means that viewers get to play along, a bonus for both quiz and comedy fans alike. Jimmy Carr hosts the famous words and numbers quiz, plus etymologist Susie Dent on the letters, and maths whizz Rachel Riley on the numbers.

Series 29, Episode 17. Among the guests joining Graham tonight: Oscar-nominated Pulp Fiction star Uma Thurman, promoting new thriller series Suspicion, and Ariana DeBose, playing Anita in Steven Spielberg's West Side Story. 17/22. Graham Norton introduces another instalment of his trademark mix of cheeky celebrity chat and live music performances.