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Matt Tebbutt unbottles the mystery of wine sulphites and hangovers, and Amanda Byram explores how peas could solve the plastic pollution problem

The team heads to Sue's house in Tiverton, Devon, finding a moped that brings back memories, and fighting over a petrol gauge that Simon O'Brien wants to upcycle into a clock

Steve and Sandra want to retire to Casares, southern Spain, and Jasmine Harman is on hand to show them five properties for their £100,000 budget

Teaching assistant Sunita hosts the first of five parties in the West Midlands, hoping an authentic Punjabi feast will impress guests Liz, Digby, George and Tutsi

In the West Midlands, half-Egyptian property investor Liz treats her guests to a taste of the Middle East and some startling revelations

On the third night of the competition taking place in the West Midlands, male model George treats his guests to a mixture of Greek, Caribbean and Italian food

In the West Midlands, social worker Tutsi serves up a mixture of Zimbabwean and English dishes and surprises her guests with a worm-eating competition

On the last night in the West Midlands, Digby plans to surprise his guests with an evening of fancy fine dining. However, maintaining harmony proves to be his biggest challenge

The competition begins at Alston House in Cumbria, where owners Michael and Carole Allchorne are confident, but Yvonne Copeland and Gail Wells are unimpressed by the decor

The second visit of the week is to Scotia House in Harrogate, where host Marie Lock is hoping her obsessive cleaning regime will give her the edge in the competition

The contestants travel to Canberra Guest House, Blackpool for the third day of the competition, where host Yvonne Copeland hopes her cheap and cheerful B&B will win over her guests

Father-and-son jokers Billy and Billy Jr Robertson are the last to host, at the Crown and Kitchen in East Linton, East Lothian, entertaining their guests with an assault course

Carole and Michael from Alston House challenge Marie on her comments as the B&B owners meet for the last time to find out what they have been paid and to settle some scores

Laura Hamilton is on the Portuguese island of Madeira, helping house-hunters Sandy and Phil find the perfect holiday home to enjoy with their children and grandchildren

Tim Shaw and Fuzz Townshend take on a neglected 1988 Fiat Uno Turbo belonging to former car salesman Gerry, who has been struck down with ill health

Tim and Fuzz are off to Huddersfield to rescue a 1992 VW Corrado, a German coupe that, in its time, was one of the fastest small family cars on the road

Eighty-five-year-old Pim admires stubborn beagle Dexter, while chihuahuas Bear and Dave try to convince seven-year-old husky-fan Ollie that two little dogs are better than one

After a busy lambing season, the sheep return to the moor in the spring, and Amanda takes the chance to dig deeper into the recently transcribed Anthony Clarkson diary

The MS Nieuw Statendam arrives in the Bahamas. Fleet executive chef Sinu lifts the lid on some culinary secrets, teaching passengers how some of the ship's key dishes are prepared

Junior doctor Silas works his first ever shift in resus, while the mother of a two-year-old patient shares the story of how her eldest son was recently attacked by a gang

After a busy lambing season, the sheep return to the moor in the spring, and Amanda takes the chance to dig deeper into the recently transcribed Anthony Clarkson diary

Paramedics Jan Vann and Chelsie Kennedy rush to a road traffic collision. However, the driver of the car has left the vehicle and does not want to be treated by the crew

Junior doctor Silas works his first ever shift in resus, while the mother of a two-year-old patient shares the story of how her eldest son was recently attacked by a gang

Kate Quilton learns about a potentially life-saving property of discarded shrimp shells and Matt Tebbutt investigates why people cannot seem to get enough of salted caramel