Discovery Channel HD

'S5/E3 - Subarctic S.O.S.'. The Raneys answer an urgent call from central Alaska, where they find a family with all the infrastructure but minimal skills to realize their dream.

'S1/E4 - Alien Amphibian'. The guys are in Manambato, Madagascar, to track down the tomato frog. One of the world's most remarkable ambush predators, it can dig into the ground in seconds.

Sharks and dolphins have shared the ocean for ages, but only recently, scientists have begun to understand the true nature of the relationship between these two masters of the sea.

'S1/E1'. Dr. Craig O'Connell and Madison Stewart are on a mission to find great whites in the tropics and understand why they are there.

Famed shark photographer Chris Fallows embarks on his 8th Air Jaws adventure to discover how great white sharks hunt in total darkness.

'S1/E7 - Expect The Unexpected'. PC Gayles and his dog Thor are on the hunt for evidence to convict mobile phone thieves. In Glasgow, sniffer dog Eddie carries out his first search for a gun.

'Mysterious Creatures With Forrest Galante. S1/E6 - The Anaconda's Lair'. The infamous legend of a 60-foot snake brings Forrest and Jessica to Brazil. After exploring underground caves, they encounter a massive Anaconda.

'S2/E8 - Mega Bites for Mega Bucks'. In a house packed with oddities, Matt finds megalodon teeth and Civil War bullets. After low-ball offers, Matt hustles for his biggest payday yet.

'S3/E8'. Drew challenges leather restorer Martin to attach an old cricket bag to a pre-war car. Meanwhile, artist Nick and woodworker Chris work on a carved Buddha.

'S4/E15 - Channeling The Long Island Medium'. World-famous 'Long Island Medium' star, Theresa Caputo, has asked Wayde and Brett to build her two aquariums - a mermaid tank and a koi pond.

'S4/E16 - Saved By The Spell'. Hollywood star Mario Lopez and ATM come together to transform a 1990s coin-operated video game console into an interactive aquarium featuring an exercise bike.

'S4/E17 - Fish-A-Palooza'. Brett and Wayde reveal incredible information about the fish that customers and fans ask them about the most, and let you in on some never-before-seen moments.

'S1/E4 - Come Together, Right Now...'. The team passes a huge milestone in the Ridler build, as the body and chassis are merged with mock-ups of the other major elements of the car.

'S6/E1 - Bel Air Big Block'. On the surface, an iconic '57 Chevy looks great, but after a test ride and inspection, the guys discover that looks can be deceiving.

'S2/E10 - Scotland: Hillman Imp'. Mike and Elvis only have a shoestring budget to fix up a Hillman Imp. With a journalist lined up to review the finished car, the heat is on.

'S1/E1'. Mike Brewer tests the market with a customised pick-up. Mrs. Brewer hatches an expansion plan, and the team take on an 1980s hot hatch restoration.

'S5/E2 - Rome's Gate To Hell'. The ancient Roman city of Hierapolis is said to hide a secret portal to the underworld beneath its streets. Experts use pioneering technology to investigate.

'S2/E2'. The security and customs services at the border of Sweden are on constant watch to stop illegal items from entering the country. It's their job to detect crime.

'S1/E3 - Necessary Force'. Response Officers Alysha and Amy are on the hunt for a teenager with a firearm. GG and Carl come to the rescue when a colleague is assaulted by a drunken reveller.

'S3/E1 - New Season Exposed'. A dive master and a Navy Seal are stranded at sea, where they face exposure to deadly sharks and heatstroke. Can they work together despite their differences?