Discovery Channel Wednesday

Building a tractor every three minutes to power Indian agriculture, and casting the bronze bells that help Swiss farmers keep track of their cows

Collecting millions of real birds' nests to make birds' nest soup. Plus, how aerospace technology is used to make rowers go faster

Part one of two. Shorty and Pete track down an extremely rare Volkswagen delivery bus for a collector who dreams of creating a VW museum

Part two of two. Work continues to get the Volkswagen delivery bus across the finish line with a new motor, new suspension, new stance and brand new wheels and tires

Fred and Juan visit Chad, a struggling miner facing a make-or-break season. The duo proposes a radical fix to turn his fortunes around and secure an investment

Expert gold miner Freddy Dodge helps struggling mine owners. If he can increase the owner's gold haul, he gets a cut of the profits but nothing if he fails

Redbeard takes on a diesel build of his own. Will his Hail Mary cost them a Queen's Ransom? Meanwhile, it's time to see if the Gama Goat will sink or swim

Sig and John co-captain the Time Bandit, sparking a gold rush for giant crab out west. Chaos on the Titan Explorer forces Jake's crew to abandon ship

The processes involved in manufacturing wind generators, PVC gloves and fire engines, and how they have developed over the years

The manufacturing processes behind car radiators, filo pastry and cross-country skis, with an insight into how they have improved with modern technology

The processing of pre-packaged chicken and the risks involved in developing video games, which cost millions to manufacture and demand global sales to recoup firms' investment

The processes involved in manufacturing firefighters' boots, garden tools and automated machines, and how they have developed over the years

The Raneys try to restore a failed homestead in Ohio. Marty believes an old gas well will breathe life back into the property - if he can get it to work

Part one of two. The Raneys arrive in Missouri to help a family who have just survived a tornado. Living in a crumbling cabin, they also have no clean water source

Mike Brewer plans to capitalise on 1980s nostalgia by restoring an original 1982 Toyota Supra, and Ant Anstead works to bring this 35-year-old car into the modern era

Mike Brewer claims ownership of a 1973 Ford Mustang Mach 1, and mechanic Ant Anstead tries to restore its lost power by tuning up and enhancing the engine

Mike Brewer and Marc 'Elvis' Priestley take on a Fiat Coupe 20 Valve Turbo, aka a 'baby Ferrari', but want to keep their costs low

Dave has been itching to get his hands on another VW, so he takes on a car that's basically just a heap of rusty parts and a broken-down engine.

Rewriting history, Josh helps discover a tomb at Petra's iconic Treasury. The twelve skeletons inside may belong to a royal family of Petra

Sig deploys a Norwegian secret weapon to locate the bairdi school. Meanwhile, in Dutch, crew drug tests threaten to leave them a man down