Series 5, Episode 8. TV presenter Lorraine Kelly and comedians Dara Ó Briain, Barry Cryer and Sue Perkins join the regulars for the comedy quiz. 8/9. Comedy panel show where contestants have to bluff about their deepest secrets... and the opposing team have to work out which ones are true.

M-Places. Comedy panel game in which four contestants try to answer very obscure questions, hosted by Stephen Fry. Guest panelists this week are David Mitchell, Sue Perkins and Sami Shah. 3/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Miscellany. Comedy panel game in which four contestants try to answer very obscure questions, hosted by Stephen Fry. Guest panelists this week are Noel Fielding, Rhod Gilbert and Cariad Lloyd. 4/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Compilation 1. The Antiques Roadshow looks back at some favourite finds from the past 40 years while a selection of experts reveal what happened next to some memorable items. 3/26. 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 17. 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. 17/55. 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.

Sick. Join Sandi Toksvig for a well sick episode of QI with Alan Davies, Maisie Adam, Jo Brand and Lee Mack. 1/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Trains. Gregg gets special access to learn how the ultimate train is made: a huge 187-tonne, five-carriage electric train. Meanwhile, Cherry Healey visits an HS2 construction site. 2/9. 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.

German Week. It's a Bake Off first, as the bakers attempt to perfect traditional German biscuits and make a torte fit for a prince, before rising to the challenge with a showstopping tiered cake using yeast. 5/10. 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.

Italy Genoa. In the Italian province of Liguria, a journey along the Mediterranean's most spectacular stretch of coastline into the Apennine Mountains aboard a lovingly restored vintage train. 2/6. 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.

West Highlands. The West Highland Line wends its way from Glasgow to the Isle of Skye, taking in Loch Lomond, windswept Rannoch Moor and Corrour - Britain's highest railway station. 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.

Series 26, Episode 17. 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. 17/55. 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.

Sick. Join Sandi Toksvig for a well sick episode of QI with Alan Davies, Maisie Adam, Jo Brand and Lee Mack. 1/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

German Week. It's a Bake Off first, as the bakers attempt to perfect traditional German biscuits and make a torte fit for a prince, before rising to the challenge with a showstopping tiered cake using yeast. 5/10. 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.

Trelissick 2. Fiona Bruce and the team visit Trelissick House in Cornwall. Items of interest include an escape pod from a Vulcan bomber and a miniature sewing kit. 20/26. 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.

Trains. Gregg gets special access to learn how the ultimate train is made: a huge 187-tonne, five-carriage electric train. Meanwhile, Cherry Healey visits an HS2 construction site. 2/9. 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.

Maths. Quiz show in which the aim is to be interesting. Stephen Fry masters the maths with Sandi Toksvig, Aisling Bea, Susan Calman and Alan Davies. 5/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Marriage and Mating. Quiz show in which the aim is to be interesting. Stephen Fry makes merry with marriage and mating with Jo Brand, Greg Davies, Bill Bailey and Alan Davies. 6/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Welsh Borders. A ride is taken aboard the grande dame of luxury heritage trains, the Northern Belle, on a railway that weaves in and out of England and Wales. 7/10. 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.

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.

Eltham Palace. The Roadshow is in the elegant surroundings of Eltham Palace in south London, once the boyhood home of Henry VIII. 4/26. 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 3, Episode 5. It's the semi-final, and the intensity in the sewing room increases as the five remaining sewers are welcomed back to demonstrate their skills with tricky and technical fabrics.  5/6. 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.

All I Want For Christmas Is U. Sandi Toksvig is joined by Eshaan Akbar, Jo Brand, Jimmy Carr and Alan Davies for a festive special. 1/14. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Upside Down. Sandi Toksvig is joined by Aisling Bea, Urzila Carlson, Romesh Ranganathan and Alan Davies for an upside-down episode. 2/14. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Series 26, Episode 44. 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. 44/55. 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 4. Sean Lock and Harry Hill take on Jon Richardson and Rosie Jones. Mr Swallow, aka Nick Mohammed, is in Dictionary Corner. With Jimmy Carr, Susie Dent and Rachel Riley. 4/13. 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 1. 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. 1/6. 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.

Episode 3. Rick samples oysters in Croatia and visits remote mountain shepherds in Albania. Back in his own kitchen on the island of Symi, he cooks traditional Albanian dishes like lepur comlek and tave kosi. 3/7. Rick Stein embarks on a new gastronomic road trip from Venice to Istanbul through the countries of the former Byzantine Empire - a melting pot of east and west.

Scotland's Lost Worlds. Ben journeys from Stroma, inhabited 1,000 years ago, to Swona, its first inhabitants being the Vikings and then to the towering prehistoric cliffs of St Kilda, the most remote of Scotland's islands. 2/3. Adventurer Ben Fogle travels to remote corners of the world and uncovers what caused people to leave these areas, and witnesses new efforts to revitalise the islands that time forgot.

Life and Death. Ricko DeWilde races against the freeze to fortify the family cabin. The Hailstones scout the land for seasonal resources. Sue Aikens must repair vital safety equipment before tundra storms arrive. 2/16. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Maths. Quiz show in which the aim is to be interesting. Stephen Fry masters the maths with Sandi Toksvig, Aisling Bea, Susan Calman and Alan Davies. 5/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Marriage and Mating. Quiz show in which the aim is to be interesting. Stephen Fry makes merry with marriage and mating with Jo Brand, Greg Davies, Bill Bailey and Alan Davies. 6/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Series 26, Episode 17. 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. 17/55. 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 4. Sean Lock and Harry Hill take on Jon Richardson and Rosie Jones. Mr Swallow, aka Nick Mohammed, is in Dictionary Corner. With Jimmy Carr, Susie Dent and Rachel Riley. 4/13. 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 3. Rick samples oysters in Croatia and visits remote mountain shepherds in Albania. Back in his own kitchen on the island of Symi, he cooks traditional Albanian dishes like lepur comlek and tave kosi. 3/7. Rick Stein embarks on a new gastronomic road trip from Venice to Istanbul through the countries of the former Byzantine Empire - a melting pot of east and west.