Discovery Channel HD Wednesday

The processes involved in the creation of tasers, canned soup and diving boards, and how they have developed over the years

The processes involved in the creation of Navajo rugs, crude oil and kaleidoscopes, and how they have developed over the years

The African penguin colony welcome their newest additions after a successful mating season. A sea otter is introduced to the rest of the raft

The team is eager to open a new exhibit featuring rare albino alligators. Divers must swim with Taroko the whale shark to get a blood sample

Parker launches a plan to net $35 million and poaches a rival's crew member. Tony cashes in early with a big score. Rick scrambles to find new ground

A Georgia couple faces the challenges of building 30 feet off the ground as they tackle their watchtower guest house in the Blue Ridge Mountains

A family sets out to build an underground home in Idaho. Before they even pour concrete, they face a decision that will make or break their build

Dr Jeff treats a cherished bloodhound puppy that refuses to eat. Dr Petra comes to the rescue of a cat that has swallowed a handful of hair ties

Dr Jeff and the team head to a remote town offering low-cost care to pets. Dr Petra treats a basset hound that needs life-saving surgery after being hit by a car

The processes behind the manufacture of javelins, cuckoo clocks and windscreen wipers

How the manufacture of technical glass, washing machines, playing cards and crossbows has changed over time

The origins of cine cameras, glass Christmas ornaments and giant tyres, and how their manufacture has changed with technology

The manufacture of microphones, hot tubs, artificial turf and beer steins, and how their production has changed with evolving technology

A Californian family longing for ranch life in central Texas find themselves on a homestead that requires a total makeover by the Raneys

Mike tracks down one of the most iconic estate cars of all time, the Volvo 240 Torslanda, but it's seen better days. Elvis gets creative with metal to revive it

Mike thinks there's money to be made on a soft-top Saab 900, but with a dicey clutch and woolly steering, Elvis has concerns. Can they get it back to its best?

Mike is in the Pacific Northwest, where he has tracked down a Volvo Amazon 122 with a rally heritage, and Ant is tasked with making it road-worthy

Being a truck driver isn't easy: long hours, huge loads and busy roads are just some of the issues they face. Truckers share their journeys.

Heather and Phil head to Bangor, ME, where landmarks tied to Stephen King's IT hide terrifying ghost stories that locals claim are frighteningly real

Josh and Casey approach the ice edge while braving an Aleutian storm. Jake's niece and engineer climb the 30ft crane to make a critical repair

Mike is in the Pacific Northwest, where he has tracked down a Volvo Amazon 122 with a rally heritage, and Ant is tasked with making it road-worthy

Being a truck driver isn't easy: long hours, huge loads and busy roads are just some of the issues they face. Truckers share their journeys.

The Pomrenkes struggle on both land and sea to claim a new gold-rich mining ground. Meanwhile, Kris has one last chance to prove his captaincy and mining skills

Tickle smokes a Virginia ham in honour of Thanksgiving. Champion shiners face off to run the best holiday liquor to complete the feast

Buying goods from home

Buying goods from home

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