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Chef Khanh Ong explores Eyre Peninsula, South Australia. In shark infested waters he conquers his fears and jumps in to learn how to hunt underwater. Locals teach him how to spear fish and four-wheel drive through sand dunes.

The remaining three mountain bikers compete in their final race of the competition.

The winner of the 25 000 dollar prize and the contract with Orbea Bikes is decided.

Discover the Nashville gravel biking scene and the city's legendary hot chicken culture with Saint Motel's Greg Erwin.

Cyclist Christian Vande Velde takes Chef Biju through Greenville, S.C., visiting restaurants along the way.

Ken Whiting follows the spring flows deep into the Ozarks and into Canada.

Ken Whiting explores the rivers, lakes and caves around Lake Guntersville, Alabama by kayak.

Martinus Evans travels to the "City of Angels", discovering LA's creativity, culture, food and travel scene.

From nature's wonders to tales of resilience, here are the top ten moments from season four.

Discover the Nashville gravel biking scene and the city's legendary hot chicken culture with Saint Motel's Greg Erwin.

Cyclist Christian Vande Velde takes Chef Biju through Greenville, S.C., visiting restaurants along the way.

Ken Whiting follows the spring flows deep into the Ozarks and into Canada.

Ken Whiting explores the rivers, lakes and caves around Lake Guntersville, Alabama by kayak.

Martinus Evans travels to the "City of Angels", discovering LA's creativity, culture, food and travel scene.

From nature's wonders to tales of resilience, here are the top ten moments from season four.

Witness the evolution of freeskiing as the YETI Natural Selection Ski takes on the backcountry of Alaska.

Will it be bluefin and the wicked autumnal seas of New England or running 130 miles offshore in Florida for yellowfin?

Two parts of the Atlantic; two species that make good table fare; from Ocean City, Md., to Palm Beach, Fla., let the hook and cook competition begin.

The Crew travels to Africa to vet two new possible locations for their portfolio. First, they visit Borana Ranch in central Kenya and next they head to the coast of Kenya to Manda Bay Resort.

Pro kayakers Nick Troutman and Emily Jackson check out the attractions and adventures in Ocean City, Md., with their family.

An organization that tracks and logs data on precious marine life, OCEARCH's global shark tracker, inspires current and future generations of explorers.

BMX rider Kriss Kyle; pro snowboarder Wojtek Pawlusiak takes his board to the sandy Arabian desert; alpine ski world champion Marcel Hirscher hits the slopes of Austria for a unique project.

Following her fourth-place finish at the World Championships, Aimi experiences self-doubt; she questions if she truly belongs in World Cup racing competitions.

Rachel Burkes takes on Utah's Interconnect Tour, a unique experience that connects six Utah ski resorts through the backcountry.

Brave the cold winter swells of Montauk, New York, with pro surfer Quincy Davis and meet the locals that make it a year-round surfing town.

From pizza and beer to the best Filipino food truck around, the Bentonville, Arkansas food scene is jumping.

Josh starts in the Twin Cities of Minnesota where he meets up with Yia Vang, an award-winning chef and restaurant owner.

Chef Khanh Ong embarks on a road trip through Central Gippsland, Victoria; he learns how to forage for ingredients for a wild salad, harvest mushrooms and create spice blends from native ingredients.

Kai heads to Portugal for a historic Nazaré swell and is in the midst of an epic showcase.

The Troutman-Jackson family continues their road trip adventures in Bentonville, Ark.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous side of Derry, Ireland.

Rory Bushfield, James Heim, Eric Hjorleifson, Mark Abma and Sean Pettit; travel to Bralorne, British Columbia where they find lofty peaks full of zones to study and ski. Eric finds a line that epitomizes the funny little mining town, Bralorne.

Armed with a map and compass he doesn't understand, PaddyO gets hopelessly lost in the wilderness during an orienteering competition.

Ken Whiting explores the Caribbean's first and only sea kayaking trail, the Waitukubuli Sea Trail, in Dominica.

Retrofitting a mountain bike with a jet engine and see how fast I can go uphill.

Basque Country's heroes explore their region's best surf breaks and cultures around them.

The athletes will use their Insta 360 cameras to impress the judges and create some viral highlights of their own.

The Big Wave World Tour tow surfing event is on at Nazaré, a last chance to win this winter for Kai.

Extreme sports fanatics tackle the world's most-challenging peaks, from Aspen, Colo., to the remote island of South Georgia.

Cam travels to Bozeman, Montana to experience the inspiration of artist Rachel Pohl, and play in the places she's famous for painting. He'll do some cold-smoke skiing, frozen ice climbing and iced over fly-fishing, in Montana's big sky country.

Travel writer Jonathan Thompson sets out to explore the adventurous sides of Whistler, Canada and Lexington, Kentucky.

Josh Rosen explores the New York City food scene, ending with an epic feast featuring foods foraged throughout his urban adventures.

For DIRT's first trip across the pond, host Josh Rosen dives headfirst into the rich culinary and adventure landscape of Ireland.

Ellis sets sail for the islands of Fiji, where he faces bull sharks, partakes in ancient Fijian fire walking rituals and anchors in the remote Lau Islands.

Josh Rosen explores the New York City food scene, ending with an epic feast featuring foods foraged throughout his urban adventures.

For DIRT's first trip across the pond, host Josh Rosen dives headfirst into the rich culinary and adventure landscape of Ireland.

Ellis sets sail for the islands of Fiji, where he faces bull sharks, partakes in ancient Fijian fire walking rituals and anchors in the remote Lau Islands.

Extreme sports fanatics tackle the world's most-challenging peaks, from Aspen, Colo., to the remote island of South Georgia.

Fly-fishing and foraging in the Texas Hill Country, featuring locally distilled Sotol and wild game cuisine.

Biju heads to Alabama's Beaches to sample southern fare at its freshest; Zeke's landing hosts a hook and cook fishing trip, Hog Wild is the home of handmade BBQ.

Travel writer Jonathan Thompson sets out to explore the adventurous side of the Golfo Dulce region of Costa Rica -- Puerto Jiménez, Corcovado National Park, Golfito and Pavones.

Eric Hanson adventures through Badlands National Park and the Black Hills of South Dakota with Dan Becker.

Pro kayakers Nick Troutman and Emily Jackson and family head to the Freestyle Kayaking World Championships in Columbus, Georgia.

Two friends plan the ski traverse of their life; a sailing community is making big strides to protect the oceans; Mina Guil runs a record 40 marathons on all seven of the Earth's continents; a cyclist rebuilding his legacy, after an early retirement.

Professional motocross rider Jessy Nelson shows us the proper way to start a race. A group of skateboarders take their skate talents across Europe. We catch up with pro freestyle motocross rider Levi Sherwood to talk about his life as a risk taker.

Ben Cathro goes through a challenging season.

Cam travels to Maine's Carrabassatt Valley to ride with two-time Olympic gold medalist Seth Wescott. From fat bikes to deep pow, Seth will show Cam the place that made him into snowboarder he is and all the things that keep him there year after year.

Chef Biju Thomas rides some trails, floats the Colorado, and uncovers some of Moab, Utah's culinary surprises.

Josh visits the final frontier of Alaska, experiencing endless summer days dictated by nature for a true culinary and outdoor adventure.

Chef Khanh Ong explores Southern Tasmania and braves the mighty South Pacific Ocean in search of the southern bluefin tuna with fisherman Chris Podesta. He then heads to the highlands to learn the art of fly-fishing.

Ride shotgun with Kai Lenny as he redefines what's possible in the world's biggest waves, chasing his dreams.

Elite riders from around the globe converge to navigate difficult obstacle courses and speed trial challenges.

Ken Whiting continues his exploration of the Caribbean's first and only sea kayaking trail, the Waitukubuli Sea Trail in Dominica.

Mountain bike wheels put up with a lot, and for the most part, they stand up well. But what if the rider is a 1,500-boat anchor? The short answer is: Better than we thought until it didn't, and things got ugly fast.

Two athletes say their goodbyes, leaving four remaining contestants for The Final Race.

Ride shotgun with Kai Lenny as he redefines what's possible in the world's biggest waves, chasing his dreams.

It's time to get your winter stoke on -- it's the Warren Miller Hour!

It's time to get your winter stoke on -- it's the Warren Miller Hour!

It's time to get your winter stoke on -- it's the Warren Miller Hour!

It's time to get your winter stoke on -- it's the Warren Miller Hour!

Cam travels to Boulder, Colorado to check out the spring with Olympic Snowboard Cross medalist Alex Deibold. Cam will learn that in the spring and year round, Boulder provides access to some of the best recreation in the West.

Award-winning travel journalist Jonathan Thompson searches for adventures and reveals the wonderful cultures, allures and attractions of the world's most fascinating urban centers.

The contestants are challenged to rebuild the suspension on their bikes before competing in a race.

The contestants are challenged to film and edit their own GoPro video.

Ski programming, as well as developing new global projects around winter sports.

The Freeride World Tour can dominate any skiers Instagram feed with highlight reels, but behind the scenes, there is an incredible amount of work to get these events off.

Biju Thomas visits Maine to take in the local cuisine and outdoor adventures, exploring off-the-beaten-path dining experiences.

Chef Biju Thomas travels to Tucson, Arizona, seeking food experiences ranging from trendy hotspots to entirely off-the-beaten-path.

The contestants are challenged to rebuild the suspension on their bikes before competing in a race.

The contestants are challenged to film and edit their own GoPro video.

Ski programming, as well as developing new global projects around winter sports.

The Freeride World Tour can dominate any skiers Instagram feed with highlight reels, but behind the scenes, there is an incredible amount of work to get these events off.