High Street TV 4

How do they farm the expensive spice saffron, how do they create giant roads made entirely from ice and how do they manufacture a muscle car.

How do they turn trees into toilet paper? How do they make absinthe and how do they make cricket balls tough enough to face batsmen.

How do they cultivate green salad on scorching desert plains, how do they make rigging for ships and how do they produce lifesaving insulin from bread.

How do they build one of the world's most powerful locomotives? And how do they turn cows' milk into clotted cream.

Mike has upgraded this car plenty of times before, but this time he's found a major bargain. With a few minor changes, he's hoping to double the price.

Mike finds a two-seat convertible roadster for Ant to recondition. With suspension in need of an overhaul and a tatty exhaust, Mike returns to the UK for parts.

In a shed in Nottinghamshire, Henry and Fuzz find a rugged Ural sidecar. Built for war and wilderness, can they revive it, or will it win the battle.

Henry and Fuzz visit David's Derbyshire shed, a treasure trove of vintage mechanical gems, and uncover a wonderful Monet-Goyon motorbike.

More everyday items go under microscope. How are objects including aircraft cabinets and motorcycle brake locks produced.

More everyday items go under the microscope with a look at how objects such as powder horns and inner tubes are made.

Wayne takes his newly restored 1964 Ferrari Lusso and 1957 Mercedes 300SL Gullwing to auction at Scottsdale - will they fetch the right price.

Motorcycles. Wayne visits Lee Roy Hartung's amassed assortment of motoring and vintage collectibles includes cars, motorcycles, license plates, and everything in between.

Cars. The late Leeroy Hartung's amazing collection includes the first Hertz rental car and a 1950 Edwards roadster. Will Wayne win the 1950 Veritas he has set his heart on.

1939 Canoe Woodie. Wayne puts his 1939 Ford Standard Woodie Wagon up for auction. Will a canoe add to its value or will it sink like the competition.

To celebrate their 100th car Mike and Edd restore a Darracq Type L. Will they be ready in time to face their toughest ever test drive - the London to Brighton Run.

A smart city car- the Panda is also a surprisingly good off road hack. Mike tracks down a model with potential, Edd does the mechanics, and they try to turn a profit.

Mike and Ant finally get hold of the greatest British sports cars never to have been built in the UK, a 1969 Datsun Roadster. But it's prone to breaking down.

Part 1. Mike Brewer joins forces with top mechanic Edd China to get a second hand classic Saab 900 Turbo back into road cruising condition.

Part 2. Mike spends most of the budget when he picks up a classic Saab 900 and this doesn't leave Edd much room for manoeuvre. Will they still turn a profit at auction.

Mike and Elvis try to revive the 'daddy' of British executive saloons: a 1974 Jaguar XJ6. But it's a risky buy: it's not been on the road since 1990.

The team can't wait to get hold of a Volvo P1800 but the problem is, these cars are rare and Mike can only find a single car that's in budget. Will it be good enough.

The Dodge SRT-10 is considered a 'halo car' - the classic worker's truck has a supercar-engine in it. However, this brutish vehicle needs some serious work.

In North Yorkshire, Sam and Henry examine an incredible collection of classic American motors. However, the guys are most interested in a rusty Mini.

Henry and Sam look around a shed full of vintage motorcycles and intriguing memorabilia. The guys see potential in a Yamaha RD350, but can they afford it.

Sam and Henry are in Somerset to check out a magnificent collection of World War Two vehicles, including a Norton 16H and a BSA folding bicycle.

Henry and Fuzz are off to Bolton where some classic motorcycles catch Henry's eye, but Fuzz is more interested in wackier treasures, such as a double-decker bus turned crane.

Henry Cole and Guy Willison pay a visit to motocross lover Terry in Hereford. He's got everything from perfectly restored motorbikes to a hangar of automotive horrors.

Henry and Guy have a rummage in Nigel's sheds in Bexley Heath, where they uncover memorabilia, trinketry and a bicycle that takes Henry back to his childhood.

Henry and Guy are invited to Yeomans in Worcestershire, which is packed to the rafters with classic British motorbikes, but will the boys be able to get any of them running.

Henry and Fuzz visit an ex-commercial pilot with two hangars' worth of stuff. He's got classic cars and even planes, but will a BSA with missing parts prove a bridge too far.

In Leicestershire, Henry and Fuzz explore a shed full of classics, selecting a 1970s VW Beetle Beach Buggy. Can they restore it in time for a Somerset beach ride.

Henry and Fuzz head to London to meet Vek and uncover a tired 1937 James motorcycle. Drawn in by its graceful lines, the guys get to work.

Henry and Fuzz visit Dave to acquire his Honda C90 and Gaz-69 Jeep. They're determined to revive both machines and return them to road-ready glory.

The expert restorers breathe new life into three cherished items. A 1960s alarm clock gets ticking again, and a dented metal horse is revived.

Angus clears a home of classic books to fund a trip for a widower, before the discovery of an unusual violin hits the high notes at auction.

Failing to find opal, The Mooka Boys embark on a risky mission at night. The Bushmen use a robot dog to help map out their underground mine.

In Sydney, Michael and Max take the plunge for sunken treasures. Warren and Colleen detect an old sports ground west of Brisbane.

Duane employs ground-penetrating radar to scan the land, leading to a mysterious finding. Trespassers prompt Charlie to increase security on the ranch.

As winter closes in and the digging season nears its end, Duane takes a final shot at getting into the underground cavern and uncovers a whole new mystery about the land.

More everyday items go under the microscope, revealing their production. How are objects such as 3D cups and stainless-steel beer kegs made.

More everyday items go under the microscope. How are objects including prefabricated conservatories and copper cookware made.

More everyday items go under the microscope with a look at how objects such as lace and unicycle wheel hubs are made.

More everyday items go the microscope. How are external hard drives, Thai rice boxes and paper towels made.

In Northern Ireland, Henry and Gemma search for treasure in a workshop. They salvage a butcher's sign, a church pew, a bird box, and a ladder.

Henry and Gemma head to County Antrim to hunt for treasure! They pick up oil cans, a rocking horse, a buggy, and an umbrella stand.

Henry and Simon are in Wiltshire searching for treasures to salvage. They rescue and restore a table football game and a model Citroën van.

Charles Hanson and James Braxton start a new road trip, hunting for antiques in the Scottish Highlands. They then reunite to sell their finds at auction in Aberdeen.

Charles Hanson and James Braxton continue their road trip in Inverkeithing. They then carry on through Fife and Perthshire and finally sell their goods in Dundee.

Charles Hanson and James Braxton travel south from Glasgow. They stop at Ayrshire and Lanarkshire along the way eventually selling their finds at an auction in Hamilton.

Charles Hanson and James Braxton head to an auction house in Cumbria. Along the way they stop off at Perthshire and the Lothians on a hunt for antiques.

On the final leg of the trip Charles Hanson and James Braxton head back down south. Who will come out on top after their final auction in Berwick-upon-Tweed.

Restorer David is challenged with restoring a model boat. Meanwhile, ceramics expert Kirsten restores a broken clay garden urn.

Music box expert Steve is challenged with restoring a Grenadier Guard doll. Plus, mechanics expert Steve revives a navigation sextant.

A royal representative visits the shop. Mechanical expert Steve is tasked with fixing up a lantern used to light up the Tower of London.

Angus helps two grieving families. Satellite-themed cup-holders and a huge gold ring do well, but a haul of hard rock albums gets everyone spinning.

Angus clears a home of classic books to fund a trip for a widower, before the discovery of an unusual violin hits the high notes at auction.

Irita helps a grieving daughter clear her late father's collection of antique bottles. Then, she helps a retired couple fund a holiday of a lifetime.

The shop's instrument expert gives a well-loved cornet a new lease of life. Meanwhile, Julie and Amanda fix up a treasured toy monkey.

Children of the Windrush generation ask the team to restore heirlooms their parents used to journey to the UK, including a passport and travel case.

Restorer David is challenged with restoring a model boat. Meanwhile, ceramics expert Kirsten restores a broken clay garden urn.

Music box expert Steve is challenged with restoring a Grenadier Guard doll. Plus, mechanics expert Steve revives a navigation sextant.