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.

Enjoy a mash-up of board sports from the beach to the big city.

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.

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.

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.

X-Games medalists Reggie & Zach Crist travel with Kent Kreitler to Haines, Alaska in search of big mountain freedom. Warm up the chopper!

The team has to settle a dispute at client's construction site. The danger amps up when Guards scout a tunnel that thieves use to stash stolen goods and escape from police. They'll be ready for a pursuit or be able to anticipate an ambush.

A Bristol cigarette smuggler gets lit up by the Customs team. A passenger with $75,000 worth of pot in his bag makes a pathetic attempt to sneak away. In Cornwall the crew of the Customs cutter Searcher is looking into some fishy business in the harbor.

A look at surfing from small waves to massive walls, and the best ways to ride them.

Holiday partying is in full swing on the weekend before Christmas, providing plenty of work for the Street Hospital team.

Surfers take on huge waves without a thought of personal risk.

Some of the world's largest animals are also among the most dangerous.

A group of pro skiers travel to South America to sample the sick slopes of Las Lenas, Argentina.

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

The Mako Shark is the undisputed lord of the open sea. They swim fast and feed on fish, squid, and other sharks. Eli and Robin are on a quest to find a monster Mako Shark, which can weigh up to half a ton, off the coast of Santa Monica, California. They get up close and personal in a rare encounter with this superpredator.

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.

It takes a lot of confidence to challenge big waves and big air.

The Lemon Shark is is known to have a vicious temper if provoked or harassed. Off the shores of Jupiter, Florida, Eli and Robin go more than 100 feet below the surface to 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 predators in existence. 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.

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.