Discovery Channel HD Wednesday

In the winter premiere, Sophia joins Sig at the Russian line. When a crab boat goes down, the Wizard is the only vessel close enough to reach it.

Brothers-in-law Brett and Wayde set about building a massive aquarium in the fan area on the San Francisco Giants' ballpark

The CEO of Zappos thinks his employees deserve a nap room, so Wayde and Brett accept the challenge to create a 24ft-long tank with individual sleeping pods

The fate of a rookie mountain miner lies in the balance after he sinks his life savings into a British Columbia placer claim

Freddy and Juan face a failing Arizona Desert gold mine. They devise an ingenious cost-cutting system with their first-ever solar-powered operation

Some off-the-grid builders have attempted to create homes deep in the woods, including an A-frame home in the Black Hills and an artistic cabin in the Cascades

Relive some of the most memorable off-the-grid builds and find out how their incredible homes have evolved. Was building off-the-grid worth it?

A cruelty investigator is responding to a call from the sheriff's department. A pony has been dragged down a road, leaving it crippled with pain

Animal control officers have been removing cats from an apartment where a woman has recently been evicted. Some of the animals are in bad shape and need help urgently

How to make the Fender Stratocaster electric guitar, and a look at the way Swedish fermented cod roe Kalles caviar is made

A look at the gravity-defying 'magic' behind Pisa's leaning tower. Plus, the making of chocolate digestive biscuits

How ancient Greeks invented parchment with techniques still used today. Plus, the making of shuttlecocks

How pizza is made for soldiers on the frontline, and the process of making the world's smoothest writing ballpoint pens that don't leak or fade

The Raneys help the Johnson family, who have no drinking water or food sources. Their dogs have been killed by a mystery predator and they worry they are next

Expert frontiersman Marty Raney and his daughter Misty assist two Montana homesteaders who face being trapped on their property - only for a medical emergency to complicate matters

Mike and Elvis wrestle an iconic Japanese rally car - a Mitsubishi Lancer Evo7. It needs a total engine rebuild and a new look to be king of the street racers

Elvis convinces Mike to buy a bargain VW Golf convertible, but its bright colour is divisive, and it is also rusty, filthy with a busted convertible roof

NASA sends the Artemis II crew on their historic 10-day voyage! This insider's guide follows them from mission prep to splashdown back on Earth.

Eccentric military equipment collector Bruce Crompton is tasked with creating a display based on the French Resistance

Sig suffers a major systems failure while Jake uses his only gear to back out of trouble. Plus, John bets the farm on sea mammals