Discovery Channel Wednesday

Investigating how rock crushers, fabric lampshades, cake sprinkles and steam irons are made

A look at where materials come from and how manufacturing processes have developed over the years, featuring detachable IndyCar steering wheels, mixed salad and wind turbines

Pete Nelson returns to build more spectacular treehouses, beginning with a five-platform structure for a nature preserve in Michigan

Pete creates an owl-inspired treehouse library in North Carolina. Evoking the face of the bird by using curves such as rounded walls, the crew makes a masterpiece

Jared needs to move $1,000,000 of wood down a treacherous river to market. But they can't find anyone brave enough to lead the journey

Jared fights to get a fat truck running at Grizz. Chris and Jeff search for hard-to-reach money trees. Dave braves the deadly waters of Grizzly River

A bamboo-home architect builds his own getaway in Hawaii, which features a luxurious outdoor bath area and detached, starlit master bedroom

A young family builds a ranch outside San Antonio. They face winter monsoons and freezing temperatures in their race to complete the project before summer

Mek the tiger returns to the zoo after six years. Two shy tree kangaroos are introduced to one another and the keepers have to move more than 100 animals

The keepers wave goodbye to two elephant brothers as they start their new adventure at a zoo in Texas. Plus, two African penguin chicks join the colony

The buyers head to Georgia where they seek valuable items at an auction in Alpharetta

The bidders eye up some of the most iconic items from Orlando's star attractions

The buyers travel to Allentown, Pennsylvania, in search of old currency, and also eye up rare items from the Civil War era

Sally spends big to win a dinosaur, while Billy's attempt at sabotage backfires, as the auction specialists bid for vintage objects in Knoxville, Tennessee

Thinking they hit the jackpot, Oregon homesteaders buy their dream property. But flooding rivers devastate their home, gardens, and livestock

Mike and Elvis only have a shoestring budget to fix up a Hillman Imp. With a journalist lined up to review the finished car, the heat is on

Mike and Elvis take on their boldest build yet: a tribute to Paddy Hopkirk's Monte Carlo Rally winning 1964 Mini Cooper

The boys are determined to mark the MGB's 60th anniversary in style by buying and fixing up one of these classic motors. But the upgrades come with some hefty costs

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

When a rare multi-day blizzard buries thousands in Buffalo, one woman must brave arctic conditions to save a man freezing to death outside her home

An early closure forces captains to work together to get their catch safely to port. Sig crosses a line when he repositions a rookie captain's pots

The boys are determined to mark the MGB's 60th anniversary in style by buying and fixing up one of these classic motors. But the upgrades come with some hefty costs

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 Bering Sea battle intensifies as Shawn bets big on a new discovery. The Kellys are forced to find new ground and Emily nearly boils a diver alive

In Texas, eight racers compete to win $5,000 and a chance to race against a Street Outlaw. Small-tire king Boosted GT takes the negotiation in an unexpected direction

Buying goods from home

Buying goods from home

More everyday items are put under the microscope, looking at how blast doors, lipstick, artificial palm trees and brass plaques are made

The development processed behind the creation of carbon fibre, railcar movers and hood ornaments. Plus, the techniques used in antique frame restoration