Discovery Channel Wednesday

The production of speed skates, cocoa beans, bulk chocolate and synthetic rubber

The construction of aerospace fuel lines, household radiators and steering wheels, and an exploration of how apple pies are baked

While Mark is on the road, the guys pick off a list of chores at home, including stacking the Hamlin cabin. Mark checks out an incredible timber-frame barn.

Mark and the team salvage every good log they can from an old double-pen barn in Pennsylvania so the logs can be used to build a guesthouse in upstate New York.

Tony tries to resurrect his infamous Dredge no.1. Parker brings in his last gold from Australia Creek and focuses the team on finishing the Money Pit

Rick bets his season on firing up Monster Red. Tony's dredge suffers a major setback. Meanwhile, the McCaughans break out a crazy contraption

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

A father-son duo builds an off-grid home in Montana's Flathead Valley, with the 720-square-foot home taking advantage of the mountain winds for power

Dr Jeff and the team head to Mexico to offer free veterinary care for poor families. Over one gruelling week they treat hundreds of animals in need

A client brings in an unusual pet who is fast outgrowing his enclosure. Dr Jeff treats a cat with several serious - and mysterious - injuries

The manufacturing processes involved in the production of vinyl records, bagels, cedar canoes and chains

The manufacture of windscreens, saddles and electric guitars

The manufacturing processes involved in the making of individual transporters, post clocks and drum heads

The science and technology behind the manufacture of air bags, jelly beans and domestic water heaters, and how these methods have evolved over time

Marty faces his most daunting challenge ever in the rescue of a Tennessee homestead. He calls on past homesteaders and a home renovation team to help

Ant hits week seven of his Alfa build and takes the team on a pilgrimage to see an original Alfa 158. He is starstruck and even squeezes into the car for a selfie

Ant's engine for the Alfa 158 is still missing in action and he is losing patienc after working early mornings, late nights and weekends

Ant tries to sweet-talk his way into taking the completed Alfa 158 to the US Grand Prix in Austin. However, the car is not done, and the crew must do the heavy lifting

Ant's ambitious Alfa build is on the home stretch, but his new baby is due any day. He also gets good news about his plan to unveil the car at the US Grand Prix

Experts provoke orcas to strike, risking it all to reveal how killer whales hunt and take down great white sharks.

Prehistoric sharks rise from the dead as marine biologists investigate the superpredators that once ruled the seas.

A fairground on the city limits of Fairbanks is rumoured to be home to a dark spirit, so ghost hunters try to contact this powerful poltergeist

Captain Rip heads into an Arctic storm to attempt the riskiest helicopter rescue in recent history. Plus, John fights to save the Time Bandit at anchor

Experts provoke orcas to strike, risking it all to reveal how killer whales hunt and take down great white sharks.

Prehistoric sharks rise from the dead as marine biologists investigate the superpredators that once ruled the seas.

With the ice season in high gear, flu hits the dredgers like a plague, threatening to knock everyone operation out

Two legal distillers compete with an outlaw moonshiner to determine who can turn the scraps from winemaking into the best jar of grappa, Italy's original moonshine!

Buying goods from home

Buying goods from home

The materials and manufacturing processes used in whips, automatic pizza-makers, incense cones and model jet engines

The production methods used for beet sugar, film used in instant cameras, and electric roadsters