Discovery Channel HD

'S1/E3 - Shiver Me Timbers'. The Daniels are commissioned by a couple to build a pirate-themed treehouse for their grandchildren. But will the kids be impressed with their efforts?

'S1/E4 - Gold Rush Roadhouse'. A farmer wants to create a roadside attraction for travellers. With a tight deadline, the guys design an authentic millhouse that pays tribute to the gold rush.

'S7/E11 - Raney Returns: Quake And Break'. Marty races back to the Adams homestead in Alaska to fix quake damage and build a bear-proof shelter in hopes of keeping their homestead dream alive.

'S1/E23 - Sheep-Wrangling Dogs And Turtle Tears'. Why are moths attracted to flames? Why do turtles cry? And, why do sea otters bond with stones? Experts answer these questions and more!

'S1/E7 - Penguins In Love'. Two African penguins have been together for 25 years, but one is now having problems with his eyes. Plus, a piranha needs surgery on his mouth.

'S1/E8 - Baby Otter Rescue'. Nandi, the aquarium's smallest manta ray, is due her annual checkup and some young ruddy ducks arrive at the aquarium and are introduced to their new habitat.

'S1/E9 - Dolphin Doctor'. A curious and active box turtle goes for his daily walk and two wobbegong sharks are due for a check-up. Plus, the staff prepare for puffin breeding season.

'S21/E13 - Car Tires/Silk/Art Conservation/Scuba Tanks'. More everyday items are put under the microscope as we discover how car tyres are manufactured, silk is produced and scuba tanks are built.

'S21/E16 - Indy Steering Wheels/Mixed Salad/Wind Turbines'. More everyday items are put under the microscope as we discover how detachable Indy-Car steering wheels, mixed salad and wind turbines are made.

'S21/E21 - Pressed Glass/Pickup Truck Caps/Alpaca Yarn/Utility Knives'. More everyday items are put under the microscope as we discover how pressed glass, pickup truck cabs, alpaca yarn and utility knives are made.

'S21/E26 - Dragster Tyres/Icing/Floating Docks/Spiral Pipes'. More everyday items are put under the microscope as we discover how dragster tyres, icing, floating docks and spiral pipes are made.

'S22/E2 - Headlong Into Halong'. As a typhoon slams the fleet, John fights to shield his crew, Rick's haul halts when a line fouls his prop and Jake finds the Cornelia Marie's limits.

'S8/E1 - Back On The Horse'. The Bushmen make a last-ditch attempt to find some opal before the mine collapses. Mark gets back on the heavy machinery that nearly killed him.

'S1/E4 - Gold Moves'. Tony sets his sights on a $3.5-million monster dozer. Dave hunts for a claim with his new Mad Max prospecting machine. Rick tests a pioneering drilling method.

'S13/E8 - Stand Your Ground - Part 2'. At the midpoint of the mining season, tensions run high. Zeke hits a 'cheesy' gold-rich spot, but the rest of the fleet faces new setbacks and foes.

'S4/E6 - Aussie Mega Machine'. Parker gambles on dry-mining kit to test the gold-rich ground of Western Australia. A case of gold fever proves costly, and Parker nearly loses a team member.

'S4/E7 - Hard Rock Risk'. Tyler leads Parker to a promising hard rock mine. They detonate high explosives to gauge if the rewards of underground mining justify the risks.

'S4/E8 - Future Ground'. Parker travels deep into Australia's 'Super Pit' gold mine. He stakes a new claim and makes a big decision that could change his mining career.

'S7/E19 - Good, Bad And Overcooked'. The Cheals hit a massive pocket of plate sized opal in their open cut mine. Plus, Brutal Outback temperatures cripple Cozza with severe heat stroke.

'S7/E20 - One Plus One Equals Three'. Rod, Sam and Ben use their last dig of the season to secure enough opal for Les' retirement. Cody almost meets his demise down a 10-metre mine shaft.

'S1/E8 - Live And Let Live'. Paige Burnham must overcome her fear of heights to rescue a crow trapped in netting on a roof. A baby hedgehog found by a main road needs specialist care.

'S1/E2 - Estelle's Favourite Chimp'. Chimpanzee expert Estelle Raballand is determined to find Ponso, the 'loneliest chimp in the world', a companion. Has she finally found the perfect match?

'S1/E1 - Shots Fired'. A domestic dispute turns into a hostage situation, with children's lives at stake. And, an apparent vehicle accident turns into a shocking multiple murder.

'S1/E8 - Sharp Spears, Broken Spirits'. Teams build four-pronged, fire-hardened spears. One team's spear - and partnership - breaks under pressure. Cold, driving rain collapses a shelter.