Discovery Channel HD Wednesday

How do they make an almost invisible hearing aid that connects wirelessly to your phone? And, how do they build the carriages for London's new underground railway?

A look at the remote-controlled underwater robots that do the jobs too dangerous for human divers. Plus, the world's most cuddly teddy bears

Shorty's right-hand man Joe Gomez wants to create a widebody Accord for his wife, who's supported him through his fight with cancer since 2009

Part one of two. After losing a grandson in a crash, Rick wants to raise money to promote safety. He asks Shorty to build a 1956 Corvette that will be auctioned off

In their first-ever Washington state rescue, the guys must devise a unique fix to a 4,000-foot-high problem to save two best friends' hard rock mine

A man asks the team to carry out a makeover on a friend's truck to pay him back for the kidney he donated

Chip Foose and a team of mechanics help a man with a rare convertible that needs repairing

When the Time Bandit loses power, Johnathan deploys a camera probe to find the problem. Keith sets a decoy to lure Sig away from good fishing

When the lucrative snow crab fishery reopens unexpectedly, Keith and Jake charge north into a Siberian storm while Sig gambles on an unproven partner

The processes involved in manufacturing rope, billiard tables and sailboards, and how advances in technology have led to improved production methods

The manufacturing processes involved in creating seatbelts, hot-air balloons, windows and wax figurines, and how these methods have adapted to modern technology

The skills and technology involved in making ice sculptures, billiard cues, air filters and suits, and how these methods have evolved over time

How escalator handrails, highlighters, guitar strings and wigs are manufactured, examining how the process has evolved over the years

Threatened by an approaching wildfire, Stuart and Toni Rinker need a solution to their failing Idaho homestead, but Stuart opposes the Raneys' fire-proofing plans

Marty helps Oregon homesteaders build a barn, Misty creates her first-ever subterranean garden, and Matt finds a humane approach to deal with the threat of a mysterious predator

Mike and Ant enter the market for iconic American SUVs with a 1988 Jeep Grand Wagoneer. However, the vehicle has sagging suspension and defective four-wheel drive

Mike and Ant take on a 1987 Alfa Romeo Spider Quadrifoglio with a rare hard-top. The car needs extensive repairs, including a rebuild of the propshaft

Mike has gone all nostalgic, buying a 58-year-old Dormobile campervan, but Elvis has a huge amount of work to do on it, including a brand-new engine fit

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.

Josh braves South Carolina's swamps to find the multi-million-dollar lost treasure of the most infamous female pirate in history, Anne Bonny

A 30-foot wave crushes a Titan Explorer deckhand, threatening Jake's captaincy. On the Time Bandit, Johnathan loses a generator and goes dark

Mike has gone all nostalgic, buying a 58-year-old Dormobile campervan, but Elvis has a huge amount of work to do on it, including a brand-new engine fit

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.

Part two of two. As tempers flare, the conflict between Shawn and the Kellys becomes physical. Meanwhile, mechanical difficulties plague the Mistress

Mark and Digger spot their liquor thief on camera as Tickle, Josh and Henry strike gold in Philadelphia with their Peach-Rye recipe

Buying goods from home

Buying goods from home