Royal Botanic Garden Edinburgh 2. Fiona and the team pay a final visit to the Royal Botanic Garden Edinburgh, where finds include a tea set gifted by a Dalai Lama and paintings by a celebrated Korean artist. 5/20. 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.

Portchester 1. The team returns to Portchester Castle in Hampshire, where treasures include a Victoria Cross medal, a letter that travelled on the Titanic and a lost poem by Siegfried Sassoon. 6/20. 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. 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. 3/6. 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 15, Episode 3. Jimmy Carr returns to host a new series with Rachel Riley and Susie Dent. Jon Richardson and Lucy Beaumont take on Richard Ayoade and Joe Wilkinson. Finlay Christie is in Dictionary Corner. 3/14. 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.

Occult. Sandi Toksvig looks into the occult with Aisling Bea, Russell Brand, Noel Fielding and Alan Davies. 12/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Omnishambles. Sandi Toksvig organises an omnishambles with Josh Widdicombe, Stephen K Amos, Cally Beaton and Alan Davies. 13/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Frigid Fortitudes. As winter's presence descends upon Alaska, its residents endure battles of wit and nature, learning valuable lessons from both as they progress. 3/19. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Cornwall. We join Ben on the rugged cliffs of Cornwall, where he is staying with Davina and Todd and their family. Davina and Todd are a spirited couple who left the city for an empty field. 4/9. 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.

Dessert Week. The bakers must create a cracking meringue Signature, a wobbly Technical, and a complex chocolate Showstopper that promises to reveal all. 4/10. 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 26, Episode 3. 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. 3/55. 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.

Occult. Sandi Toksvig looks into the occult with Aisling Bea, Russell Brand, Noel Fielding and Alan Davies. 12/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Omnishambles. Sandi Toksvig organises an omnishambles with Josh Widdicombe, Stephen K Amos, Cally Beaton and Alan Davies. 13/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Frigid Fortitudes. As winter's presence descends upon Alaska, its residents endure battles of wit and nature, learning valuable lessons from both as they progress. 3/19. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Cornwall. We join Ben on the rugged cliffs of Cornwall, where he is staying with Davina and Todd and their family. Davina and Todd are a spirited couple who left the city for an empty field. 4/9. 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.

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.

Dessert Week. The bakers must create a cracking meringue Signature, a wobbly Technical, and a complex chocolate Showstopper that promises to reveal all. 4/10. 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.

Occult. Sandi Toksvig looks into the occult with Aisling Bea, Russell Brand, Noel Fielding and Alan Davies. 12/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Omnishambles. Sandi Toksvig organises an omnishambles with Josh Widdicombe, Stephen K Amos, Cally Beaton and Alan Davies. 13/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Shadow Dwellers. With winter tightening its grip, Alaskans buckle down and ready themselves for the long months ahead. 4/19. The brutal Alaskan winter dominates life for the hardy characters in this awe-inspiring series.

Shetlands. Ben journeys to one of Britain's furthest outposts - the Shetland Islands to meet Helen and Jason, a couple on the edge of the weather-beaten island of Yell. 5/9. 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.

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.

Spice Week. Paul and Prue set the bakers a classic teatime Signature. There's also an Arabian Technical and a fiddly Showstopper. 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.

Series 6, Episode 1. This feel-good competition format returns for its sixth series. Twelve amateur dressmakers take up a needle and thread to have their stitching skills put to the test. 1/10. 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 4. 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. 4/55. 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.

Underthings. Sandi Toksvig is joined by Maisie Adam, Daliso Chaponda, Jack Dee and Alan Davies for a look at some underthings. 11/14. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Oddballs. Sandi Toksvig looks at some oddballs with Jason Manford, Jimmy Carr and Victoria Coren Mitchell. 14/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Unseen Bits. Rob Brydon, Lee Mack and David Mitchell return for an episode of previously unseen material from the hit comedy panel show. 11/12. Comedy panel show where contestants have to bluff about their deepest secrets... and the opposing team have to work out which ones are true.

Series 15, Episode 4. Jimmy Carr hosts, with Jon Richardson, Roisin Conaty, Nabil Abdulrashid, Joe Wilkinson, David O'Doherty, Susie Dent, and Rachel Riley. 4/14. 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.

Jen Brister, Esther Manito, Adam Rowe. Live At The Apollo host Jen Brister welcomes guest comedians Esther Manito and Adam Rowe. 6/7. The best stand-up comedy from the famous London venue.

Series 31, Episode 8. Together on Graham's sofa tonight: Hollywood star Michael Fassbender, in football comedy "Next Goal Wins" and action thriller "The Killer"; comedy legend Jennifer Saunders, starring in "Peter Pan" at the London Palladium; "Back to Life" star Daisy Haggard, in new BBC drama "Boat Story"; and pop supergroup Take That, who chat and perform their current single "Windows". 8/21. Graham Norton introduces another instalment of his trademark mix of cheeky celebrity chat and live music performances.

Series 26, Episode 4. 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. 4/55. 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.

Underthings. Sandi Toksvig is joined by Maisie Adam, Daliso Chaponda, Jack Dee and Alan Davies for a look at some underthings. 11/14. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Oddballs. Sandi Toksvig looks at some oddballs with Jason Manford, Jimmy Carr and Victoria Coren Mitchell. 14/16. Panel game hosted in which celebrity guests have to answer questions, avoiding repeating common misconceptions and urban myths.

Unseen Bits. Rob Brydon, Lee Mack and David Mitchell return for an episode of previously unseen material from the hit comedy panel show. 11/12. Comedy panel show where contestants have to bluff about their deepest secrets... and the opposing team have to work out which ones are true.

Series 15, Episode 4. Jimmy Carr hosts, with Jon Richardson, Roisin Conaty, Nabil Abdulrashid, Joe Wilkinson, David O'Doherty, Susie Dent, and Rachel Riley. 4/14. 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.