Discovery Channel HD

'S1/E16 - Fish Farts And Giant Eggs'. Why do domestic cats find it so hard to get down from trees, and how have two jungle cats evolved? Plus, why do kiwi birds lay huge eggs for their size?

In New Zealand's waters, great white 'houses' battle for dominance. Experts risk it all to reveal the bloodlines that determine their allegiances.

Experts attempt to train great whites using cues and challenges to test learning, memory, and decision-making in the wild.

In a world first, a cliff diver Molly Carlson attempts a 50-foot dive off a helicopter into a floating cage surrounded by a shark feeding frenzy.

'S1/E4 - Urban Jungle'. Seven baby ducklings are barely clinging onto life as they have no source of food or water. A seal trapped in a man-made breakwater is nursed back to health.

Wildlife biologist Forrest Galante explores America's strangest alien sharks in celebration of the nation's 250th anniversary.

'S2/E12 - Gunning For Ghost Town Green'. Matt takes on a hoarded ghost town and hunts for a rare Colt revolver. A Babe Ruth autograph is authenticated. A vintage Levi's find draws big money.

'S19/E9 - Firsts For Viki'. Drew takes Viki to three types of hunting grounds that have been staples of his business. They snap up a rare Anglepoise lamp along the way.

'S3/E4 - Hehuanshan'. Ed Stafford tests his body's ultimate limits as he races against medic and ultra-marathon runner Sun Lingye across the arduous mountain terrains of Taiwan.

'S3/E5 - Rift Valley'. Ed Stafford competes against two challengers, Amber and Serena Shine, in Kenya's Rift Valley where they discover all sorts of wild animals blocking their path.

'S3/E6 - Valley Of The Gods'. Ed Stafford goes up against his son's godmother, Ness Knight, a renowned explorer and survival specialist, across the deadly Valley of the Gods.

'S2/E2'. Henry and Fuzz snap up a vintage Oldsmobile hot rod with a legendary V8. Can they get it race-ready for a showdown at Turweston?

'S1/E7 - Rage Against The Machine'. One getaway driver takes the pursuers on the longest run ever. Can he find an exit in his $100,000 Nissan S14 before he's forced to pay the ultimate price?

'S15/E9 - Best Of'. Car dealer Mike Brewer and multi-talented mechanic Ant Anstead find and restore iconic cars that they later sell for a profit at their LA-based shop.

'S15/E10 - 1991 Lotus Elan M100'. Mike finds what he thinks is the finest-handling front wheel drive car: the Lotus Elan M100. If Ant can revive the engine and suspension, will it make a profit?

'S1/E7 - Indecent And Exposed'. Disorderly conduct ranges from public streaking to getting personal in public spaces. A gas station dispute sparks a woman's explosive reaction.

'S2/E2 - Shocking Stunts'. Throughout history, humans have dared to do insane stunts and risk it all for glory - in modern times, their goal is those addictive internet likes!

Experts analyse shark encounters caught on camera, using forensics to review bite marks and behaviour patterns as they wonder: What shark attacked?

Prehistoric sharks rise from the dead as marine biologists investigate the superpredators that once ruled the seas.

A scientist hunts for a possible radioactive shark killer near an old nuclear dumping ground in New York that's ringed with makos and great whites.