Discovery Channel HD

'S18/E6 - Toyota Landcruiser'. Mike and Elvis have one of their toughest challenges yet: can they make an Audi RS6 estate car faster than a sportscar? Elvis has doubts after a hazardous test drive.

'S18/E7 - Volvo 240 Torslanda'. Mike gambles on a Ford P100 imported from South Africa to Scotland. But it's hit with a series of problems - and will it cope with the UK's weather and roads?

'S1/E27 - Time-Telling Dogs And Kangaroo Hops'. How do dogs tell time? What is the secret behind the kangaroo's hop? Plus, why do vultures fly in circles? Experts answer these questions!

'S1/E28 - Acrobatic Cats And Butterfly Wings'. How do cats always land on their feet? How do hummingbirds fly when it is raining? Plus, does a subterranean mammal on the secret to longevity?

Orcas and other toothed whales are attacking Great Whites in record numbers. Experts recreate these epic battles to discover the ultimate predator.

Robert Irwin comes face to face with a great white shark for the?rst time ever.

A team of shark explorers ventures to the Isle of Jaws off the West Australian coast to find out if two great white sharks recognise, and prefer the company of, a blood relative.

'S7/E12 - Lifted Lodge Treehouse'. The crew is at an alpaca farm to build a lodge inspired by US National Parks. They create a structure with mountain views and cable bridge entrance.

'S1/E5 - Wall Feature/Jacobean Furniture'. The dealers hunt for items to go on the living room wall in a Victorian house and Jacobean style furniture for a bridal suite in a manor house.

'S20/E18'. John risks capsizing with a slack tank. Jake hauls in the highest seas of his career and Sig rushes to get Clark home as mechanical problems mount.

'S11/E9 - Accordions/Pineapples/Artificial Joints'. How do they manufacture accordions, pineapples and artificial joints? Find out as more items are put under the microscope.

'S11/E10 - Giant Valves/Barographs/Nappies'. How do they can sardines, and manufacture giant valves, barographs and disposable nappies? Find out as more items are put under the microscope.

'S14/E6'. Parker banks his first gold from the Unforgiven cut. One of Rick's rock trucks slides down a ravine, and he tries to broker a season-saving deal with Tony.

'S14/E7 - 50 Ounce Ultimatum'. Rick's landlord demands 50 ounces of gold by the end of the week. Plus, an unexpected visit to Tony's Indian River claim brings devastating news.

'Gold Rush: Mine Rescue With Freddy & Juan. S1/E10 - A Golden Promise'. Deep in Alaska, Freddy and Juan help hobby miner Clay turn his struggling mine into a profitable business - with a little help from his high school friends.

'Gold Rush: Mine Rescue With Freddy & Juan. S1/E11 - Busch Creek or Bust'. In their toughest challenge yet, Freddy and Juan fly to a remote mine in Alaska to help three miners who have struggled to make a profit for over a decade.

'S3/E3'. Follows the interventions of the Security and Customs Services at the borders of Spain who are under the constant threat from drugs, weapons, and suspected terrorists.

'S3/E4'. Follows the interventions of the Security and Customs Services at the borders of Spain who are under the constant threat from drugs, weapons, and suspected terrorists.

'S3/E5'. Follows the interventions of the Security and Customs Services at the borders of Spain who are under the constant threat from drugs, weapons, and suspected terrorists.

'S3/E6'. Follows the interventions of the Security and Customs Services at the borders of Spain who are under the constant threat from drugs, weapons, and suspected terrorists.

'S1/E5 - Temper Tantrums'. An angry man targets and terrorises another driver. An elderly man is taken for a wild ride on the freeway. A couple pulls a pistol on another driver.

'S1/E6 - Dangerous Decisions'. An angry driver chases after another car. A disgruntled neighbour takes things too far. A brazen gunman threatens another driver. A biker hangs on for dear life.

'S1/E6 - 16,000 Reasons To Be Precious'. Precious lines up the fastest racers in Vegas for a 16-car shootout worth $16,000 and everyone is looking for revenge.

'S1/E3 - Shawn Comes Up Snake Eyes'. At a call on the Strip, tow truck driver Shawn is shocked by a six-foot python in a car's front seat. TW tangles with a motel customer twice his size.

'S1/E4 - Tricks, Treats And Tows'. Halloween on the strip means huge crowds and Vegas' scariest tows. A drunk man dressed like a giant baby refuses to let Shawn tow his car.