TV Guide More4 Wednesday

Ninety-three-year-old Ernest is brought in with life-threatening injuries after being knocked down by a hit-and-run driver just outside the hospital. He goes into cardiac arrest, and a consultant must keep his heart going manually in a bid to save his life. Meanwhile, an 83-year-old's finger is mangled by a machine at his metal-working business, and a 51-year-old man with learning difficulties is treated after collapsing, prompting his elderly mother to wonder how he will eventually cope after her death

A selection of favourite investigations, including Jimmy Doherty visiting Spain to find out how much orange goes into squash. Matt Tebbutt tries to solve the age-old mystery of how to get ketchup out of the bottle smoothly, while Kate Quilton checks Marmite's TV advert claims that a DNA test can predict whether people are more likely to love it or hate it

Henry Cole and Simon O'Brien find, fix and flog a huge range of possessions they unearth in Britain's barns and garages, to make money for their owners. In this episode, they celebrate Henry's birthday with some serious finds in Wensleydale in Yorkshire

Janine and Mark from Stockport, Greater Manchester, are hoping to find their perfect holiday home around the western Dordogne region in France. Married for 20 years and with two grown-up children, they feel now is the right time to buy their dream home in their favourite holiday spot. Laura Hamilton tries to deliver their dreams on their budget of £230,000

Painter, decorator and security guard Michelle is the first host in south London. However, the heat really is on as she hits rocky waters with her first ever attempt at a vegan dish as part of her pineapple paradise menu. Events manager Rory is disappointed that some of the food is shop-bought, while Nesha, also an events manager, struggles to enjoy the warm pineapple. Not all hope is lost, though, as sales manager Mike loves it all - at least, that's what he tells Michelle

After two raucous evenings, hippy hairdresser Staar aims to chill her guests out with meditation, crystals and a menu of vegan dishes, hoping her earth mother vibes will put her in pole position

The week's dinner parties continue to be served in south London. After the chilled-out vibes of Staar's dinner the previous evening, Nesha is keen to up the energy levels and deliver on the high standards of cooking she has been promoting all week. Confident, she goes all-out for her guests, but will it be enough to get her hands on the £1,000 prize?

It's the last night of the fun and games in south London and events manager Rory's turn to host with an Asian-themed menu and a glam-it-up dress code. Competitive sales manager Mike is sure he's in the top spot, but Rory knows his biggest threat is other events manager Nesha - who has been a constant critic over the week. Vegan hippy hairdresser Starr has suffered a rough ride with the food she's been served this week and tonight's no exception when her dessert is a disaster

The final visit is to the Beach House in Portland, Dorset, where Pete Lacey feels his back-to-basics approach offers his guests good value. But things get heated with the radiator in Karen and Liam's room and opinions are laid bare over dinner

The B&B owners meet for the last time to find out how much they've been paid and to settle some scores. Karen and Liam are shocked by their payment from Pete, while Carolynne and George want to find out what caused Karen and Liam to lose sleep at their place

Tim Shaw and Fuzz Townshend take on Andy's Ford Pop hot rod, a 1950s car that's jam-packed with modifications - all of which, sadly, are bent, broken or riddled with rust

Tim Shaw and Fuzz Townshend fix up one of the most iconic cars to come out of Germany, a BMW E30 Alpina. It's Maz's pride and joy but his ill health has prevented him from getting it back on the road

The paramedics plan to take a woman who is in the advanced stages of labour to hospital, but when her waters suddenly break, they have to think again. A diabetic man has a painful urine infection, and a 14-month-old is choking and won't feed. A woman collapses at home and needs help getting up, but her daughter is more worried about her increasing confusion

Consultant Emer Sutherland helps treat an eight-year-old who has fallen 8ft onto concrete while riding his BMX, losing his front teeth and possibly injuring his head and spine. A 19-year-old motorcyclist who hit a bollard requires urgent treatment on his leg, which may otherwise need to be amputated, and X-rays of a stabbing victim yield startling results

A woman with a weak immune system owing to the radiotherapy she underwent for breast cancer is bitten by her cat, a minor injury that could cause her serious problems. A 71-year-old with terminal cancer is brought in with breathing difficulties and a decision must be made about whether to resuscitate her if her condition worsens. Meanwhile, a 12-year-old translates for his Brazilian grandmother and a five-year-old has her head wound stitched

Another selection of favourite investigations, with Jimmy Doherty heading to South Africa on the trail of sweet piquante peppers and visits the company that has exclusive rights to grow, process and market these colourful chillies. Kate Quilton is in Hawaii to investigate the potentially dangerous levels of mercury in tuna, and Matt Tebbutt finds out why the bags of ice cubes in supermarkets are so crystal clear