Discovery Channel HD Wednesday

A look at how prams, wood flutes, bicycle tyres and factory-built homes are made

A look at how items such as wagon wheels, violin bows and thinning shears are made, and how processes have been enhanced over time

Pete Nelson uses a silver maple as the base for a cedar-shingled structure with a curved turret two storeys high and a deck with views of Lake Chelan in Washington State

Pete Nelson designs a treetop party pad for a pair of sisters and their husbands in Omaha, Nebraska, delivering a fantasy castle including a copper-capped turret

Parker unleashes chaos to get four plants running for the first time. Tony splurges on a new plant and Rick fires up in Vegas Valley

Two brothers team up with their girlfriends to build a yurt that can survive harsh Maine winters. They start off confident but are soon challenged

Novice builders face material delays, hurricanes and wildlife while building a country cottage on their remote family farm in southeast Georgia

A dog is rushed to the clinic after being hit by a car. Four rats must be neutered before adoption and a girl rescues kittens in Grand Junction

Hector and Dr Jeff treat a tribe of fainting goats, while Dr Amy discovers why a cute and cuddly kitten is teary-eyed

The processes used to create screwdrivers, compact track loaders, physician scales and carbon fibre bats

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

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

Marty re-rescues the Broadhead family, whose Ohio home faces major structural issues. He must restore a settling berm and construct a concrete storm

In northern Italy, Mike and Elvis tackle the last truly analogue Ferrari, the 348. And this one is in dire need of a cambelt change

Mike spots a bargain supercar, a Maserati 4200GT, for under £10,000. Under the hood is a Ferrari V8, but Elvis must try and fix the potentially costly gearbox and clutch issues

Mike restores a rare 1991 Alfa Romeo 164L. They soon find out that although the car has perfect bodywork, it also has a leaking engine

Being a truck driver isn't easy: long hours, huge loads and busy roads are just some of the issues they face. Truckers share their journeys.

Clues from the Zodiac Killer are finally deciphered. A million-dollar treasure is revealed. An ancient manuscript may explain the origins of life

As ice blocks St. Paul Harbor, captains race to deliver their final snow crab. Sig deploys a risky tactic and the Wizard's 77-year-old hull cracks open

Mike restores a rare 1991 Alfa Romeo 164L. They soon find out that although the car has perfect bodywork, it also has a leaking engine

Being a truck driver isn't easy: long hours, huge loads and busy roads are just some of the issues they face. Truckers share their journeys.

Kris' scheme to make a fortune on Shawn's Bluff find is sabotaged. Zeke may have found his mining future - until the ice breaks up and he has to move.

For the first time, families bring their inherited moonshine recipes to the arena. But when they fire up stills together under pressure, sparks fly

Buying goods from home

Buying goods from home

The manufacture of iron bathtubs, Hopi Kachina dolls, mine truck engines and memory cards

More everyday items are put under the microscope as the series reveals how oil and encaustic paints, marine plywood and cycling shoes are made