More4 HD Wednesday

A selection of favourite investigations, including Jimmy Doherty visiting Spain to find out how much orange goes into squash and Kate Quilton testing Marmite's TV advert claim

Danni Menzies helps retired GP Steve Kanani find the perfect holiday home for him and his family in the Valencia region of southern Spain

A weaver in Portugal juggles teaching with preparing for her first exhibition, while in Andalucía, owners of a B&B host a trial weekend to see whether they have a viable business

Henry Cole and Simon O'Brien visit a Yorkshire textile mill, where Simon repurposes a mill trolley into a coffee table and Henry struggles to repair a Soviet-era motorbike

Cosmetic surgery fan Shanice hosts the first of a week of dinner parties in and around Guildford, Surrey, where risky menu choices and a fellow diner's laugh become talking points

Retired estate agent Vivi hosts the second dinner party in and around Guildford, and hopes to win with a Norwegian feast, as tensions rise between Shanice and Charlotte

Sales manager Charlotte hosts the third night of the week in and around Guildford, taking a risk with an Asian-inspired menu in the hope of securing the £1,000 prize

The fourth day in and around Guildford, Surrey, sees children's entertainments manager David keeping the food simple and putting on a performance with his colleagues

On the final day in and around Guildford, Surrey, sales director Neil devises a sophisticated menu, dismissing his predecessors' efforts as unambitious

The contest begins at the Golf House on the Isle of Wight, where hosts John and Sue Blakemore hope to impress their guests during their stay

The competition moves to St John's Wood, north-west London, where Nick Tyrie and his friend Layla Amini welcome their guests to the New Inn Pub

At the Bunkroom hostel in Chester, David Sharrock is determined to prove that hostelling is for everybody - even if his wife Victoria is not convinced

John Graham's the B&B in Blackpool is the final stop of the week, and an afternoon of tenpin bowling brings out the guests' competitive sides

The contestants reunite to confront their critics face to face, and discover what their service is worth, before the winning guest house is announced

Fuzz Townshend and Tim Shaw restore a sports car for a former ambulance driver in Plymouth, who was forced to abandon the project for health reasons

Fuzz Townshend and Tim Shaw restore a 1991 Range Rover, which is a sad reminder of happier days for the owner and her family

Kevin McCloud follows the progress of Nathan and Amye as they build a giant cathedral-like property modelled on Dutch barn-style houses, but with a contemporary twist

Physical therapist Ara and researcher Tony set out to create a home focused on health and wellbeing near Henley-on-Thames while they live on site and manage the project themselves

Interior design expert Laurence Llewelyn-Bowen celebrates great British visionaries, cherished eccentrics and proud-to-be-different homeowners

Cameras follow 56-year-old Dave, who is brought to St George's after falling from a ladder at work. Doctors are concerned that he may have life-changing damage to his spine

A crew battles bad weather in Cumbria to reach an injured 70-year-old hill-walker, while Scott's attempts at DIY land him in serious trouble

Physical therapist Ara and researcher Tony set out to create a home focused on health and wellbeing near Henley-on-Thames while they live on site and manage the project themselves

Cameras follow 56-year-old Dave, who is brought to St George's after falling from a ladder at work. Doctors are concerned that he may have life-changing damage to his spine

Matt Tebbutt finds out how much meat is in a sausage and how the British banger got its name. Kate Quilton investigates orange wine and how it gets its colour