More4 +1 Wednesday

Jimmy Doherty, Kate Quilton and Matt Tebbutt present some of their favourite investigations, including the mystery ingredient that makes icing sugar so light, fluffy and powdery

Jasmine Harman helps dad and daughter Stephen and Stephanie, who are moving to the French region of Poitou-Charentes with Stephanie's young son Carter

A couple add fine dining to their events business in France. A B&B owner in Spain makes the costly decision to install aircon and the shop on the Costas finally opens for business

The team visits Swindon and Chippenham, where Henry Cole finds and restores a much-maligned BSA Ariel 3 moped and Simon O'Brien gives a Ford Transit gearbox a new lease of life

Former property developer Ian hosts the first dinner party in Gloucestershire, hoping his super-healthy menu will win him the £1,000 prize

Then-Miss Cheltenham Sophie hosts the second dinner party in Gloucestershire, hoping her evening of elegant food and pageantry will win her the £1,000 prize

Rugby-loving Carmel hosts the third dinner party in Gloucestershire, and she hopes to impress with a 'Six Nations' starter and a pancetta, king prawn and chorizo main

Teacher Polly hopes to impress her guests with a fine-dining experience on the fourth night of the competition in Gloucestershire

It is final dinner party in Gloucestershire and the turn of hair salon owner Chris to host a evening of home-made treats, while the guests make a discovery in the living room

The competition begins at Langsmeade House in Thame, Oxfordshire, where a pair's quirky hosting style proves a hit with some of their guests

The owners visit the Stratford House Guesthouse in Stratford-upon-Avon on their second outing, where couple Natasha and Dai Pollock hope to impress their peers

The third B&B of the week is pet-friendly Edmund House in Deal, Kent, where entrepreneur Mark Genders is far from thrilled by the 'no frills' experience

Mark Genders welcomes the contestants to the Five Bells Pub in Berkshire, but his ale-tasting activity does not please everyone

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

At Château Lagorce, Edward rebuilds some rotten shutters that feature prominently in wedding photographs. May and Guy lock horns over the future of their now rotten chicken coop

Tim Shaw and Fuzz Townshend pick up a 1972 Renault Alpine A110 rally racer belonging to a former Italian restaurateur who has owned it for 20 years but never actually driven it

Kevin McCloud follows the progress of Stephen Yeoman and Anita Findlay, who want to build a cutting-edge, post-industrial house in the traditional area of South Downs

Experts investigate the deadly plague that swept through Europe in the 14th century, in light of an illuminating discovery made by rail engineers working in central London in 2013

Documentary about the survivors of the World Trade Center attacks, including a lawyer originally from Hertfordshire who has had post-traumatic stress disorder since

Twenty year-old Peta is rushed in after coming off her motorbike, 21 year-old Callum comes in with a prolapsed stoma and Libby has been hit in the face with a hockey stick

Charlie has life-threatening injuries after coming off his dirt bike from a great height, and medics treat a five-year-old child who is having seizures

Documentary about the survivors of the World Trade Center attacks, including a lawyer originally from Hertfordshire who has had post-traumatic stress disorder since

Twenty year-old Peta is rushed in after coming off her motorbike, 21 year-old Callum comes in with a prolapsed stoma and Libby has been hit in the face with a hockey stick

Jimmy Doherty, Kate Quilton and Matt Tebbutt present some of their favourite investigations, including the mystery ingredient that makes icing sugar so light, fluffy and powdery