Discovery Channel HD Thursday

More everyday items are put under the microscope, with a closer look at how space pens, reef aquariums and metal caskets are manufactured

How raisins, ribbon microphones, stereoscopic viewers and native healing drums are made

Staff members travel to a remote island to get footage of whale sharks during mating season. A seal is treated for joint pain

Pete Nelson finds the perfect treehouse spot for a couple seeking meditation space. The team creates an energy-infused retreat 20ft up in a twisting pair of maples

Tony battles a big beaver to get at the gold, while Parker poaches more crew, doubling gold production. Rick tries to strike a deal for a new claim

Rick balks at the terms for his new claim and makes a bold move. Parker's foreman, Tyson, battles a flooded cut and a batch of new recruits

After experiencing a devastating tornado, a family relies on the help of loved ones to build an off-grid retreat overlooking Tennessee's Ocoee River

Despite having building experience, a couple faces new challenges while constructing a double container home at their donkey sanctuary in Missouri

Shelter volunteers drive from Kansas hoping the team can save a tiny rescue dog. Plus, Dr. Jeff’s cousin asks for the vets to visit Tennessee to provide free care

Dr Jeff looks back at some of the most special, inspiring and important cases he has taken on throughout his 30-year career

The production processes involved in the making of hot rods, decorative eggs, fire hose nozzles and baseballs, and how technological advances have changed their manufacture

The production of accordions, pineapples and artificial joints, and how technology has influenced their development

The production of giant valves, tinned sardines, barographs and disposable nappies, and how technological progress has altered their manufacture

The manufacture of heated skate blades, gliders, handbells and fire hoses, and how their production has changed with technological progress

A pair of homesteaders and their livestock are mired in muddy clay in the East Georgia woods. The Raneys must fix it before the next big rains

Mike Brewer finds a Humvee to work on, and he and Edd China create a four-wheel-drive camping vehicle capable of venturing to places no camper has been before

Mike Brewer and Edd China try to make a profit on their first electric project as they restore a 1985 Maserati Bi-Turbo that was converted to electric in the early 1990s

Two teams score crab, stingray and octopus, but the third struggles. An intense smoke-and-snare challenge leads to a shocking final elimination.

Josh Gates explores mind-bending mysteries, including alien abduction and invisible attacks made upon CIA operatives in Cuba

The Cornelia Marie crashes into the ice pack when the greenhorn on watch falls asleep at the wheel. Plus, hundreds of seabirds bombard the Saga

Two teams score crab, stingray and octopus, but the third struggles. An intense smoke-and-snare challenge leads to a shocking final elimination.

Shawn's million-dollar Bluff claim is denied, leaving the grounds open to anyone. Kris Kelly leaps at the chance, dragging his family across 70 miles of frozen tundra

By law, tequila and mezcal can only be made in Mexico, but outlaw distillers don't follow rules. Three of the best bring American ingenuity to a 500-year-old recipe

Buying goods from home

Buying goods from home

How oat cereal, turquoise jewellery and electric scooters are made

How nail clippers, jade putters, ice cider and water skis are made