Discovery Channel HD Wednesday

The materials and processes involved in creating escalators, synthetic-fibre canoes, goat's cheese and disc-playing music boxes

The processes involved in the manufacture of motorcycle engines, glass enamel sculptures, hand-made paper and vaulting poles

Mark Bowe and the team head to Johnny Jett's hometown in Kentucky to build a log chapel

Mark Bowe and the team travel to Jane Lew, West Virginia, to salvage the wood from a 120-year-old cattle barn that is slated for demolition

Dangerous conditions force Dustin to build a safe harbour for the dredge. Mining legend Fred Hurt returns to help solve the mystery of the pilings gold

A medical emergency threatens to end the season before it begins. Kayla fights to gain access to her new claim by building a walkway into the cliffs

Chase Morrill and his team are in Dedham, ME, to restore a camp that was once a schoolhouse. But, a serious case of rot threatens the project.

Chase Morrill and his team renovate a neglected camp for a growing family. They must overcome an unusual blueprint and a steep outdoor slope to finish the job.

Moving day arrives for Acco, the zoo's biggest crocodile. But his mate Cassie goes into hiding as the team races to reunite the pair in their new enclosure

The Irwins caravan into the Outback to release baby kangaroos and an emu onto their wildlife conservation area - but ffind more animals in need of rescue

A look at how motorhomes are filled with items fit for a luxury apartment. The programme also examines the production process of ballet shoes

The complex technological processes involved in creating seemingly simple modern-day objects. This edition looks at how life-saving gloves are made

Mining million tonnes of fertiliser from below the sea. Plus, a look at how to hand print millions of colourful clothes using the ancient art of batik

How thousands of tonnes of basmati rice are turned into millions of microwaveable meals. Plus, a look at how to craft mechanical singing birds

The Raneys help the Johnson family, who have no drinking water or food sources. Their dogs have been killed by a mystery predator and they worry they are next

Expert frontiersman Marty Raney and his daughter Misty assist two Montana homesteaders who face being trapped on their property - only for a medical emergency to complicate matters

The '58 Corvette's owner wants to top off his collection with a custom CF1. He wants to debut them both together, so Dave's work is cut out for him

Dave and Kev attend Mecum Auction's biggest event of the year, where for the first time ever, one of their CF1s will be crossing the block

It's the 50th anniversary of one of British motoring's forgotten heroes, the Triumph Dolomite Sprint, so Mike and Elvis try to get their hands on one

A 1933 Roadster has a great paint job but needs reimagining. Plus, the owner of a 1968 Camaro has a load of upgrades he wants to accomplish

Phil and Heather visit a castle reportedly built over a Nazi portal to hell. The team seeks proof of sinister activity beneath the castle's chapel

Elusive criminals evade the law, but relentless officers track them down - busting smugglers, counterfeiters and hostage takers with cameras catching it all

Absurd offenses and misdeeds go down every day in the USA. From porch pirates and scammers to car crashes, millions of cameras record the footage

It's the 50th anniversary of one of British motoring's forgotten heroes, the Triumph Dolomite Sprint, so Mike and Elvis try to get their hands on one

A 1933 Roadster has a great paint job but needs reimagining. Plus, the owner of a 1968 Camaro has a load of upgrades he wants to accomplish

The spring break-up is starting to occur and the snow is melting. Meanwhile, Neil aims to start construction on the renovation of the mine

Josh feels the heat when a Brazilian moonshiner pressures him to attempt an illegal bootleg run. Law enforcement ambushes Mark in his own garage

Buying goods from home

Buying goods from home

The manufacture of hammers, Swiss cheese, roller skates and coloured pencils, and how their production processes have changed with technological progress

The processes used to manufacture carbon-fibre bicycles, forged chandeliers and ballpoint pens