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Developments in the manufacture of turntables, steam engines, playground equipment and non-stick pans

The manufacture of garden forks, English toffee, paint chip cards and Bundt pans, and how processes have developed through the years

Billy rallies the family toward the monumental next stage of North Star Ranch including the discovery of gold mines on the land

After the wildfire sweeps through the mountain, the Wolfpack returns to their homestead to assess the damage the fire has left in its wake

Derek and Sean Bieri head back to Zweifel Motors in the Black Hills of South Dakota to revive an Oldsmobile station wagon Derek has been eyeing for 16 years

Steve Dulcich returns along with the Vanishing Paint Challenger. Derek and Steve switch out the gearbox and go to a local road course

Mike Brewer heads to Poland where he tries to bag a Lamborghini Urraco. However, the prices being asked might be in breach of his budget

Mike Brewer tries to get his hands on one of his dad's favourites - a Ford Popular, a car known for being variable in its quality

The Raneys race winter to build the first ever 'homestead fortress,' and protect a family from brown bears that have taken over a remote homestead

Mining empires clash in the epic battle to dominate Nome. Mr Gold has a plan to yield 3000 ounces, while the Kellys impress a new investor

Part two of two. Mining empires clash in the epic battle to dominate Nome. Mr. Gold has a plan to yield 3000 ounces, while the Kellys impress a new investor

Sig suffers a major systems failure while Jake uses his only gear to back out of trouble. Plus, John bets the farm on sea mammals

Andy Cohen finds an '85 Mustang SVO, and tries to transplant a modern Ford Ecoboost engine into a car built around an old 2.3-litre motor

Mike Brewer hunts down a Swedish classic, the 2001 Saab 9-3. He nabs a bargain, and Ant Anstead works his magic to restore this vehicle to its former glory

Frustrations reach a breaking point between Chambo and Andy. For Todd, it comes down to a single gold weigh to keep his crew intact

Dustin's M.I.A. with a possible season-ending injury. Problems with the new dredge push the crew to the brink, but a Red Zone win lifts morale

Freddy and Juan deliver a mining masterclass, revealing their unique way of solving mechanical puzzles. They revisit some of their ingenious fixes

Customs check for drugs at a party cruise with hundreds of young people. Two young men seem nervous. Plus, an angry woman sheds her clothes at Arlanda airport

The team makes a discovery that dates back to the early 1970's as they find a clue, etched in stone, that former team leader Trapper left for them in the Tygart Valley

Dustin's M.I.A. with a possible season-ending injury. Problems with the new dredge push the crew to the brink, but a Red Zone win lifts morale

Freddy and Juan deliver a mining masterclass, revealing their unique way of solving mechanical puzzles. They revisit some of their ingenious fixes

Chief goes head-to-head with Murder Nova, while Farmtruck and AZN enter a small-town lawn mower drag race. Plus, the boss introduces the drivers to the club's new rules

Experts use cutting-edge technology to reveal the secrets of Emperor Nero's palace built in the heart of Rome

Buying goods from home

Buying goods from home

The making of pewter flasks, potato salad and hydrogen fuel cells, and how technology has influenced their production

The manufacture of items including canvas wall tents, peace pipes and cannons, and how processes have developed over the years