BBC Nordic

The team is at Wrest Park in Bedfordshire, a grand house built in the style of a French chateau. Treasures turning up include a dazzling diamond and ruby pendant, an exotic and rare snuff container and a chair that once belonged to the Artful Dodger.

A twist on the classic quiz show formula, contestants search through the depths of their knowledge in an attempt to score as few points as possible.

Stephen and Alan take a look at journeys with Cal Wilson, Rob Brydon, and Phill Jupitus. Together, they discover the travel arrangements of a Japanese snail, the procedure for evacuating a ship, and who the naturalist was on the HMS Beagle.

With over six billion of them across the planet, smartphones have changed the modern world. With rare access to electronics giant Samsung, Hannah uncovers the technological game changers that have made the smartphone a reality.

This week the sewing room is transported back to the 1960s as the six remaining sewers revive vintage garments, take on time-honoured techniques and wrestle with antique equipment in an attempt to show Patrick and Esme they deserve a place in the quarter-finals.

This journey runs from the Mexican border at San Diego, following the Californian coast north to the city of San Luis Obispo,aboard the aptly named Pacific Surfliner. On the way, there's a stop in Carlsbad, a city that originated from a snackbar.

Power through the Peak District at full steam, pulled by the Royal Scot, one of the finest locomotives ever built. In the Peak District, climb the famous Stanage Edge and meet the man who dedicated his life to restoring heather to the moors, local farmer Geoff Ayre, aka the heather doctor.

A twist on the classic quiz show formula, contestants search through the depths of their knowledge in an attempt to score as few points as possible.

Stephen and Alan take a look at journeys with Cal Wilson, Rob Brydon, and Phill Jupitus. Together, they discover the travel arrangements of a Japanese snail, the procedure for evacuating a ship, and who the naturalist was on the HMS Beagle.

This week the sewing room is transported back to the 1960s as the six remaining sewers revive vintage garments, take on time-honoured techniques and wrestle with antique equipment in an attempt to show Patrick and Esme they deserve a place in the quarter-finals.

The team is in Yorkshire at the glorious Piece Hall in Halifax, the only surviving 18th-century cloth hall where textiles were once traded. Treasures include a Chinese imperial robe, an opal pig and a stunning sapphire brooch.

With over six billion of them across the planet, smartphones have changed the modern world. With rare access to electronics giant Samsung, Hannah uncovers the technological game changers that have made the smartphone a reality.

Sandi considers all things odorous and odious with Nish Kumar, Sally Phillips, Ross Noble, and Alan. In the process, they explore what scent big cats are attracted to, Britain's sewage system, and whether humans can smell crime.

Sandi Toksvig considers various odds and ends. If you ever wondered how to tell a schnauzerorgan from a paddywhack, Sandi has the answers. With Romesh Ranganathan, Matt Lucas, Liza Tarbuck and Alan Davies.

The team set out on an expedition across Iceland, with the help of some temperamental old British cars. Back in the UK, Freddie gets his hands on America's latest sports car, the new Chevrolet Corvette.

Rick Stein heads to southern Spain and the historic city of Cadiz. Rick is captivated by its narrow winding streets as he walks in the footsteps of the ancient Phoenician and Arab traders whose influence on the city can still be seen today.

Fiona investigates the history of the Manchester Ship Canal which links the inland city to the River Mersey and the Irish Sea. Treasures include an opera singer's perfume bottle, a travelling magician's box of tricks and an early animation machine.

Joe Lycett hosts the semi-final, as the four remaining sewers go global, taking on garments and techniques from around the world. Judges Patrick Grant and Esme Young ask them to make a pair of Indian dhoti pants.

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.

Sandi Toksvig enquirers into questions and qualifications with Alan Davies, Ade Adepitan, Nish Kumar, and Holly Walsh.

Sandi Toksvig embarks on the first part of her quest for knowledge.

Host Romesh Ranganathan is joined by Esme Young, Patrick Grant, Dave Gorman, Richard Coles, Karim Zeroual, Kaz Kamwi, Candice Brown and The Vivienne.

Jimmy Carr hosts as Jonathan Ross and Joe Wilkinson take on Roisin Conaty and Ahir Shah. Catherine Cohen joins Susie Dent in Dictionary Corner, while Dr Anne-Marie Imafidon looks after the numbers and letters.

Gregg Wallace explores the HSL factory in West Yorkshire to find out how they make more than 5,000 sofas every year. Meanwhile, Cherry Healey learns about the science of light bulbs.

In Sweden, Ben revisits Annalisa and learns about her new partner and homestead. He finds out about their life during the pandemic and how they sustain a thrifty life with such passion.

In the clutches of Dark winter, Alaskans face uncertain conditions caused by unseasonably warm temperatures. But the warmth won't last, and opportunities must be seized. Sue Aikens braves the unstable tundra to replenish her water supply.

Sandi considers all things odorous and odious with Nish Kumar, Sally Phillips, Ross Noble, and Alan. In the process, they explore what scent big cats are attracted to, Britain's sewage system, and whether humans can smell crime.

Sandi Toksvig considers various odds and ends. If you ever wondered how to tell a schnauzerorgan from a paddywhack, Sandi has the answers. With Romesh Ranganathan, Matt Lucas, Liza Tarbuck and Alan Davies.

A twist on the classic quiz show formula, contestants search through the depths of their knowledge in an attempt to score as few points as possible.

Jimmy Carr hosts as Jonathan Ross and Joe Wilkinson take on Roisin Conaty and Ahir Shah. Catherine Cohen joins Susie Dent in Dictionary Corner, while Dr Anne-Marie Imafidon looks after the numbers and letters.

Gregg Wallace explores the HSL factory in West Yorkshire to find out how they make more than 5,000 sofas every year. Meanwhile, Cherry Healey learns about the science of light bulbs.

In Sweden, Ben revisits Annalisa and learns about her new partner and homestead. He finds out about their life during the pandemic and how they sustain a thrifty life with such passion.

In the clutches of Dark winter, Alaskans face uncertain conditions caused by unseasonably warm temperatures. But the warmth won't last, and opportunities must be seized. Sue Aikens braves the unstable tundra to replenish her water supply.

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.