The ocean has its own incredible big five. Great Whites, hammerheads, tigers, bulls and the ginormous whale sharks to perform in its own ultimate shark show. Discover the untold truth concerning these prehistoric predators and their sometimes misleading reputations.

Get the best of boards on land and sea in this episode of Adrenalize. It's a surf and skateboard mash-up. Whether you like to serve up some cool tricks on big ocean waves or grind down a railing in a big city, you'll find it here.

Only a select few athletes have what it takes to be extreme. In NOMADS, we live life on the edge with extreme sports athletes at the top of their game. From heli-skiing to wakeboarding, freeride mountainbiking to kayaking, these adrenaline junkies will comb the earth for the most perfect spot, the best competition and a place to make their mark.

In the first episode, X-Games medalists Reggie & Zach Crist travel with big mountain hero Kent Kreitler to Haines, Alaska in search of the big mountain fix that pro athletes need after a long season of competing. Warm up the chopper!

Wild Ones looks at the biggest and most dangerous animals on earth, including elephants, bears, and hippos.

Viewers follow the Billabong Surf Team’s top surfers – Andy Irons, Mike Parsons, Shane Dorian and Dino Andino – as they board the specialty seaplane Clipper to catch the biggest waves of the season off the coast of Mexico.

Welcome to another fast cut compilation of extreme sports from the cutting edge. First’s up, surf’s up: boys on boards angling to ride the biggest waves and hang on the edge of their physical ability and accessing the water with no concern to agility. Then it is time to pack into a speedy jet boat and hit some rugged rapids. A special focus of this episode is riding the tube waves on a longboard.

More than 10,000 aftershocks of a 2010 earthquake kept the people of Christchurch, New Zealand on edge...until The Big One came, killing 185 people.

It's the weekend before Christmas and a big night for the Street Hospital team. Paramedic Sean helps a patient who's been snorting Raro while Sean and Charlie attempt to bargain with a masked man.

The classic game of P.I.G. meets motocross biking in this RushHD exclusive event. Watch as the biggest names in motocross battle to be the last man standing. Season 2.

Surf's up! Catch all the best waves in this episode of Adrenalize. Watch as these surfers master even the toughest barrel waves and water currents.

A disagreement at a construction site escalates and the guys try to resolve the situation. The team plans to trap suspects in a tunnel and flush them out like rats.

A group of pro skiers travel to South America to test the world-renowned ski terrain of Las Lenas, Argentina.

A man is caught smuggling cigarettes inside Bristol, something he claims to be doing for years. After a suspicious bag is picked up from the Gatwick baggage monitor the smuggler tries to sneak away but is caught with £55,000 of cannabis inside. In Cornwall, the crew aboard Customs cutter Searcher is investigating mysterious pot-markers that they suspect are being used for smuggling drugs.

Welcome to Blue Water Savages. Meet the Dusky Shark, a large predatory shark with a serious attitude that hunts coastal and offshore waters.

It’s New Year’s Eve, the biggest party night of the year and with crowds flocking to a huge fireworks display on Wellington’s waterfront, the Street Hospital crew face their biggest overflow yet. Paramedics Jake and Ross cope with a drug overdose, Dave and Craig are followed by some persistent fans and an unlucky New Year’s Eve partier faces a dangerous situation while urinating in public.

Eli and Robin go spearfishing off the shore of Jupiter, Florida to show you the uneasy relationship between spearfishers and sharks. These sharks are unavoidable and hungry. Eli and Robin demonstrate the skills you'll need if a shark goes after the fish you just caught. In Florida, spearfishers face Bull, Caribbean Reef, Dusky, Tiger, and Great Hammerhead Sharks. Each species comes with its own attitude and set of rules, so stay alert and ready to adapt.

The Lemon Shark is one of the most intelligent sharks, and is known for a vicious temper, but do they actually respond to human touch and affection? Off the shores of Jupiter, Florida, Eli and Robin go more than 100 feet below the surface compare the temperament of male and female Lemon Sharks.

Eli and Robin travel to Cat Island of the Bahamas to try and find the Oceanic Whitetip Shark, one of the most dangerous sharks in the world. Few humans have ever seen this shark in the wild and lived. Eli and Robin dive in to learn more about this mysterious and understudied predator.

First, a brief look at one of the biggest projects to hit the mountaineering world in years. Equipment manufacturer Mammut is putting together no less than 150 teams to scale the most challenging 150 peaks. Next, we report on the Archipelago Raid long distance sailing race held among the spectacular islands of Sweden. Then down in France, we will catch up with teams racing against themselves in the challenges of Europe’s biggest mountains at the Saab Salomon Mountain X Race.

Smooth Hammerheads have moved into California waters and are making headlines. These sharks are known for their bold, curious, and even weird personality. Eli and Robin want to see how aggressive these visitors are. They dive in to try to get a sense of their disposition in these new waters.