Discovery Channel HD Friday

The manufacture of Swiss Army knives, oil tankers and racing wheels

The manufacture of bowling balls, barber poles, felt and radar guns

Mark Bowe and the team make a rare trip north to dismantle an enormous 200-year-old barn

Mark Bowe and the team restore an 1856 log cabin using wood from the original cabin, an old barn and a local sawmill

A storm tears through Nugget Creek, putting dive sites and dredges in severe jeopardy. Mounting pressure causes a potentially season-ending explosion

With Dustin missing in action, the crew take matters into their own hands to get to the gold on Nugget Creek. But Mother Nature deals a killer blow

Chase Morrill and his team renovate a hunting cabin deep in the woods of Oxford, ME. They have $20,000 and six weeks to complete it before winter.

Chase Morrill and his team renovate a camp situated on two ponds. With winter approaching, the team must hustle to complete the project before Thanksgiving.

It's the middle of summer and the reptiles at Australia Zoo are active and hungry, especially the 44 alligators who inhabit an entire lagoon

Robert and Terri take to the skies to release some sea turtles near the Great Barrier Reef. Bindi eagerly awaits the birth of the zoo's first tiger cub in years

The crew explores the inner workings of a Ferrari FF to find out how it is made

The crew explores the inner workings of an Audi R8 to find out how it is made

How a Rolls-Royce Phantom is made. This programme visits its birthplace and explores its inner workings, as well as its gorgeous exterior

The development of the manufacturing processes of a Maserati Quattroporte

The Raneys come to the aid of a North Carolina couple whose cabin is so ramshackle they have exposed wires in the shower and their livestock has been half-eaten by predators

Arctic temperatures and a hungry grizzly wreak havoc on a struggling homestead. Marty and Misty take action with big builds including a blacksmith shop- but then tragedy strikes

Dave and Kev are back East, checking out all the oddball cars at the Syracuse Nationals car show, with more than 2,000 cars lined up.

Freddy and Juan expose the truth behind the pitfalls of gold-hungry miners, sharing their book of mining tips and tricks to avoid expensive mistakes.

Josh Gates explores hidden truths within three cases where answers stayed buried for years: Noah's Ark, anthrax attacks, and Bugsy Siegel's murder.

The search for Theresa takes a dramatic turn as new evidence emerges, transforming an unsuspecting family's home into a potential crime scene

Heather and Phil continue their study of Nazi occult activity in Poland, where they investigate Nazi strongholds harbouring terrifying secrets

Disorderly conduct ranges from public streaking to getting personal in public spaces. A gas station dispute sparks a woman's explosive reaction

When jewel thieves get stuck in a shop, a fleeing carjacker hides in a port-a-potty, and a criminal tries to escape, the law fights back and puts them behind bars

Josh Gates explores hidden truths within three cases where answers stayed buried for years: Noah's Ark, anthrax attacks, and Bugsy Siegel's murder.

The search for Theresa takes a dramatic turn as new evidence emerges, transforming an unsuspecting family's home into a potential crime scene

As the battle for McCarthy wages on, a team of experts work to locate the only known entrance into the Mother Lode mine

Josh meets a mysterious moonshiner in Brazil and learns a rule-breaking method for making liquor. Richard and Craig try to protect their operation from bears

Buying goods from home

Buying goods from home

How do dogs tell time? What is the secret behind the kangaroo's hop? Plus, why do vultures fly in circles? Experts answer these questions!

Amazing animal facts, including how cats always land on their feet, hummingbirds' ability to fly when it is raining and a subterranean mammal's secret to longevity