Discovery Channel Friday

Some of the brightest minds and theorists on the planet explore the limits of human knowledge and explain the science behind the rules of the universe

A 29-year-old woman builds a 2,000-square-foot dream home with three bedrooms and three bathrooms out of mud and completely off the grid in Arizona.

A creative family builds a custom home where the mountains and desert collide in Colorado's last frontier. The dream project quickly turns into a hard job.

The Bronco's owner is unsure about Dave's radical idea for the interior. He has to make his client happy but resist going too far with this build

While not the most popular model, the Fox Body Mustang is actually making a comeback, and the one that rolls into the shop needs a lot of love

Mike and Elvis engage in the ultimate Aussie showdown: Ford versus Holden. Can their Ford XR8 outpace the Holden GTS at the Mount Panorama circuit?

Mike and Elvis find a 1970s classic VW camper in need of some mechanical TLC. Can they turn it into a long-range camper fit for the Australian wilderness

The Raneys are in Maine to help a couple whose homestead is overrun with boglands. They build structures to help with the brutal winters

When a grizzly stalks the mine, Jack springs into action. When a government inspection threatens to shut the mine, Hunter makes a sacrifice

Working around the clock, tempers flare among the crew. When a rookie mistake shuts down the Holy Roller, Randy and Tater square off

At Arlanda, Alex stops a man he suspects of drug smuggling. He soon realises the man is not telling the truth. Plus, Olivia gets yelled at

In Germany, Mike and Elvis are captivated by an E30 M3, their most expensive purchase yet. Will their efforts make this M3 shine enough for buyers?

Architectural salvage expert Drew Pritchard tracks down more valuable items, heading to a Scottish castle to test-drive a historic million-pound car

Hoping to bring more gold to Dominion Creek, Parker makes a big equipment purchase, prospects a new spot, and explores a new business venture

Chad Ollinger and Eric Drummond explore a cavern deep underground. Duane discovers smoke vents, and James travels to the Aztec capital in Mexico City

An unknown apex predator is preying on orcas off the frozen coast of Kodiak, Alaska. Can the team identify the monster before it strikes again?

Part one of two. Shawn's negotiations with his father for the inland mine implode. Emily deploys her new diver while Vernon searches for one of his own

After a difficult end to last season's list racing, the 405 agree to a list shakeup, meaning everyone loses their spot on the list and has to race to earn a new place

Chad Ollinger and Eric Drummond explore a cavern deep underground. Duane discovers smoke vents, and James travels to the Aztec capital in Mexico City

An unknown apex predator is preying on orcas off the frozen coast of Kodiak, Alaska. Can the team identify the monster before it strikes again?

Tensions escalate when two crewmembers get into a fight on Kevin's claim. Parker prays that the Bridge Cut paydirt will turn his fortunes

Rick runs the last of Rally Valley's pay dirt. Tony's son Mike battles an old water pump. Parker's crew races to rescue a rock truck in danger

Buying goods from home

Buying goods from home