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Meeting the eight athletes and kicking off the first challenge: climbing; the competitors go head-to-head in a physical chess match of who can climb the hardest routes at Uncompahgre Gorge with time to spare.

Back for episode two, we wrap up climbing to see who had the top rock climbing sends for podium spots in Ouray's infamous ice park. We then make our way to Colorado's high-alpine Red Mountain where the athletes compete head-to-head in the Vertical Sprint, skinning and bootpacking up 3,000 grueling vertical feet for time. Then comes the fun part: the downhill.

Biju Thomas visits the Florida Keys to explore the island lifestyle, try some local cuisine, and enjoy coastal fishing.

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

During a rescue, lead pilot Sam senses something wrong with the helicopter and must decide whether to land; a life-or-death situation in the Air Zermatt hangar tests the skill of medics.

Paying homage to 65 years of mountain culture and adventure filmmaking.

In California for the 61st edition of the world-famous "Catalina Crossing.".

Hawaii's best rescue units are ready for the yearly search and rescue exercises on Oahu and the Big Island for the Da Hui 4th of July Paddle race.

Keith Morical and crew make preparations as the countdown to his Record Ride looms closer.

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

Meeting environmentalists dedicated to cleaning the oceans; riding the waves with both physically disabled surfers and a surfer who's combining his passion for photography with the sport that he loves.

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

Meeting environmentalists dedicated to cleaning the oceans; riding the waves with both physically disabled surfers and a surfer who's combining his passion for photography with the sport that he loves.

A skateboarding crew make history, riding their way across Balkans landmarks; a pro trials rider discovers some rocky new routes in an ancient land.

With the first part of their first race day completed, we pick back up for part 2 of race day.

Set against the backdrop of breathtaking Patagonia, David Lama sets out to climb the infamous south-east face of Cerro Torre, an Argentinian mountain.

Victoria Falls is the third-highest waterfall in the world. The rainy season has been very intense.

Jameson Redding hits the road to find the best fishing spots in America.

Exploring the shores of South Florida, a short run from Sailfish Marina to encounter A-list game fish species.

Ken Whiting explores the coastlines and National Parks of Québec's Gaspésie and Bas-Saint-Laurent regions by sea kayak, canoe, and stand up paddleboard.

The final leg of a backcountry canoeing adventure in Killarney Provincial Park.

The distinctive essence of Telluride fosters characters like Telluride Tom. It takes no time to understand why this individual embodies the very definition of a "legend.".

How can experiencing awe for just two minutes have measurable effects? Follow the research team as they wrap up the Tahoe Lab, and share the results.

Pro kayakers Nick Troutman and Emily Jackson enjoy the wildlife, waterways and warm autumn colours in the Outaouais and Laurentians regions of Québec, Canada.

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

Mike and Jason head to Nevada to explore the trails and mountains around the beautiful Lake Tahoe.

Mike and Jason head to Vermont to get back on bikes and take on 160 miles; they have a gorgeous route planned that weaves through storybook farm dirt roads, rugged woodland paths and the iconic Lincoln Gap climb; joined by Dhani Jones.

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.

The contestants are hit with a low-speed challenge that tests all of their skill: The Impossible Climb.

Tensions run high with a head-to-head duel slalom for the ages on Big White's downhill course.

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

Biju stops by Vail, Colorado, to visit Jim Deters and experience everything that summer in Vail has to offer.

Exploring the views of North Carolina by sea kayak and inflatable kayak.

For the first time ever, Ken Whiting swaps his whitewater kayak for a whitewater canoe on the Madawaska River.

Mike Fink sets out alongside his dad, Jeff, to take on Scotland's West Highland Way.

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

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

Biju stops by Vail, Colorado, to visit Jim Deters and experience everything that summer in Vail has to offer.

Exploring the views of North Carolina by sea kayak and inflatable kayak.

For the first time ever, Ken Whiting swaps his whitewater kayak for a whitewater canoe on the Madawaska River.

Mike Fink sets out alongside his dad, Jeff, to take on Scotland's West Highland Way.

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

Carson Storch explores New Zealand in search of the next home of the biggest contest in mountain biking.

For many hardcore anglers, these A-list game fish are the species of their dreams and come with a level of difficulty that gives them nightmares; it's the tarpon and the roosterfish, two of the world's most prized catches.

Shark depredation is an all-too-familiar story with recreational fishing today, and cobia and kingfish are among their favorite targets.

A world-first paddleboard expedition 250 miles up the Amazon's Rio Negro in search of Peacock Bass.

Pro kayakers Nick Troutman and Emily Jackson and their two young children prepare to hit the road for a year of paddling adventures.

In British Columbia and Colorado. In between, we'll pedal along with James Golding, on his journey to set the new seven-day cycling record.

Countdown of the most risky subzero adventures of all time as the athletes stage a showdown on ice; Mike "Hucker" Clark takes on a full loop in a dirt jump set-up.

The 10 aspiring mountain bikers competing for the grand prize arrive in Big White, British Columbia to begin their first set of challenges.

Three locals at Kicking Horse show what it's like to live in the endless opportunities of untouched powder in the mountains.

Saas-Fee is a town of dreamy nights and endless skiing and terrain; when filming in this town for Ascend, things go terribly wrong; the crew find themselves part of the story.

Erik Roner jumps out of a helicopter and meets Walsh on the beaches of Maui; the Walsh brothers visit their favorite surf spots away from the overexposed Maui breaks doing what they do best.

Traveling through Josh's hometown of Seattle, Wash., from the mountains to the coast, to pursue local ingredients; digging for a local delicacy, hunting for exotic bivalves and exploring the tidal flats of a multi-generational shellfish farm.

Chef Khanh Ong journeys to Australia's tropical Far North Queensland to discover the culinary secrets of the Nywaigi people, the traditional owners of the land. He learns to cook Magpie Goose with Nywaigi Man Buddy Cassidy.

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

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

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Geneva, Switzerland and Quebec City, Quebec.

Antoine Montant, Francois Bon and Hervé Cerutti aspire to integrate climbing, flying, and skiing in the sport of Speed Riding.

Facing his intense fear of heights, PaddyO attempts to scale a sheer rock face with the help of exasperated professional guides.

Ken Whiting explores the coastlines and National Parks of Québec's Gaspésie and Bas-Saint-Laurent regions by sea kayak, canoe, and stand up paddleboard.

Biju stops by Vail, Colorado, to visit Jim Deters and experience everything that summer in Vail has to offer.

Meeting the eight athletes and kicking off the first challenge: climbing; the competitors go head-to-head in a physical chess match of who can climb the hardest routes at Uncompahgre Gorge with time to spare.

Back for episode two, we wrap up climbing to see who had the top rock climbing sends for podium spots in Ouray's infamous ice park. We then make our way to Colorado's high-alpine Red Mountain where the athletes compete head-to-head in the Vertical Sprint, skinning and bootpacking up 3,000 grueling vertical feet for time. Then comes the fun part: the downhill.

The bikers compete in a race through Big White Park with a twist.

Kai Lenny competes against the world's best big wave surfers in the WSL Big Wave World Tour event in Maui.

Big-mountain skiers Lexi duPont and Amie Engerbretson travel to Switzerland; Aspen locals Victor Major and Baker Boyd venture to Iceland.

Bryan Iguchi leads an insider's tour away from crowded resorts to shred untouched powder in the extensive backcountry of Jackson Hole.

"Ultimate Mountain Athlete", presented by the 2024 Toyota Tacoma, returns to the wind-whipped summit of Red Mountain 3, where athletes transition to the Big Mountain descent.

The athletes continue with the downhill bike race high and navigate a free ski contest back on Red Mountain three.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Banff & Lake Louise, Canada and St. Pete Clearwater, Florida.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Amman, Jordan and Charleston, South Carolina.

"Ultimate Mountain Athlete", presented by the 2024 Toyota Tacoma, returns to the wind-whipped summit of Red Mountain 3, where athletes transition to the Big Mountain descent.

The athletes continue with the downhill bike race high and navigate a free ski contest back on Red Mountain three.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Banff & Lake Louise, Canada and St. Pete Clearwater, Florida.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Amman, Jordan and Charleston, South Carolina.

Come along for the 73rd annual Warren Miller film. Adaptive backcountry riding as you've never seen before.

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.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Long Beach, Calif., and Alice Springs, Australia.

Follow Eric Hanson on his adventures heli-hiking, caving and backpacking through the backcountry around Banff and Lake Louise.

Pro kayakers Nick Troutman and Emily Jackson head to Nick's home turf and waters for family fun.

Bicycle engineer and designer Tom Donahue. Giving back to local communities in Nepal.

F1 star Daniel Ricciardo soars to new speeds in Sri Lanka. On the snow, take a look at American free-skier and X Games gold medalist, Nick Goepper, as well as alpine skier, Alexis Pinturault.

The contestants learn about the importance of social media and how to find the perfect shot.

When it's dumping snow in Fernie BC, it's best to jump behind the long-time locals to find the secret stashes.

Dreaming of paradise is defined by the mountains; local legend Greg Hill shows how the cold and soundless waves of feather-light, champagne powder snow make Revelstoke the place of dreams.

Join Collinson on an adventure through the Utah backcountry and experience what it's like to join one of the planet's most elite riders in the often unseen terrain around SLC.

Josh links up with Mason Hereford, the owner of award-winning sandwich shop Turkey and the Wolf, and then hits the road for some epic hog hunting, swamp fishing, crawfish and oyster harvesting, exploring Louisiana's only water buffalo dairy farm.

Chef Khanh Ong journeys to the coastal town of Port Lincoln in South Australia to unlock the secrets of the local seafood. Khanh learns how to trawl for wild prawns, harvest oysters and forages for unique coastal ingredients.

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

Skiers scope out steep mountain faces while kayakers see monumental waterfalls, bikers dense forests, and base jumpers an abundant stretch of sky.

PaddyO enters a traditional burro race in Colorado, only to find that his donkey partner has completely different plans for the day.

Ken Whiting puts his whitewater kayaking skills to the test on Québec's mighty Kipawa River, before heading north to sea kayak with puffins and monoliths in Mingan Archipelago National Park.

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

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!

Join world-class kiteboarder Lewis Crathern for an exclusive tour of his African summer playground and high-flying training sessions.

The contestants' stamina is put to the test through an FTP test and a cross-country race.

After a rude awakening, the contestants are thrown into an unexpected challenge.

Old meets new and glitz meets farming history in this train-access-only Swiss town sitting under Matterhorn.

The Northern Ontario community has united to demonstrate their appreciation for Brian Mealey after his loss.

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.

The contestants' stamina is put to the test through an FTP test and a cross-country race.

After a rude awakening, the contestants are thrown into an unexpected challenge.

Old meets new and glitz meets farming history in this train-access-only Swiss town sitting under Matterhorn.

The Northern Ontario community has united to demonstrate their appreciation for Brian Mealey after his loss.

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.

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!

Chef Biju Thomas explores Utah's Heber Valley, discovering a small-town culinary mecca filled with charming restaurants and world-class cheeses.

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

The Troutman-Jackson family explores Fort Myers, Fla.

Charlie Enright and Mark Towhill are building a racing career from the bottom up. Then, how some climbers are bringing new perspectives to disadvantaged youth in Rio de Janeiro. Kayaking in the Hudson River and base-jumping in Europe.

Explore Supercross in California, which represents an unprecedented technical challenge for the athletes. Mark McMorris, a professional snowboarder, and his dedication to the slopes.

For their next challenge, the contestants must compete in teams.

For their next challenge, the contestants must compete in teams.

A destination like no other, 4 Vallées provides breathtaking scenery and perfect snow conditions.

Jasper, Colorado is the perfect place to visit for skiers looking for something new and different.

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 travels to Cairns, Australia, to embark on an adventure to the rainforests of Mission Beach.

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

Kayakers Nick Troutman and Emily Jackson head to the Kayaking Freestyle Championship in Oklahoma City, Okla.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Sapporo, Japan and Portland, Ore.

Professional skiers James Heim, Mark Abma and Eric Hoji Hjorleifson go ski touring in search of big mountain backcountry powder they call Epic Pow.

PaddyO tries his hand at fly-fishing, only to end up tangled in his own line and catching more trees than trout.

Ken Whiting explores the sea caves of les Îles de la Madeleine by sea kayak, and then paddles through one of North America's river valleys in Jacques Cartier National Park.

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

From climbing to ski mountaineering, the athletes complete their climbs and head towards Silverton Mountain.

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

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

Hike and snowboard the backcountry, mountain bike favorite trails, and paddleboard Sand Harbor with legendary snowboarder Jeremy Jones.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of Dallas, Texas, and Pensacola, Fla.

Rock climber Alex Honnold road trips through Nevada in his van, discovering hidden gems, outdoor thrills and local culture; he shows the transformative power of stepping outside his comfort zones.

Alex Honnold scales a vertical bus, a sand dune and joins Tommy Caldwell for an ascent on a granite wall.

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

Kai, Ridge and Ian Walsh fly to Mavericks in California for what's being hailed as the swell of the decade.

Rock climber Alex Honnold road trips through Nevada in his van, discovering hidden gems, outdoor thrills and local culture; he shows the transformative power of stepping outside his comfort zones.

Alex Honnold scales a vertical bus, a sand dune and joins Tommy Caldwell for an ascent on a granite wall.

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

Kai, Ridge and Ian Walsh fly to Mavericks in California for what's being hailed as the swell of the decade.

A look at the enduring spirit of winter and a deserving nod to the past seven decades of ski cinematography.

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.

Jonathan Thompson sets out to explore the adventurous sides of Scottsdale, Arizona and Montréal, Canada.

Eric Hanson heads down under to explore the Larapinta Trail and Kakadu National Park.

Nick Troutman and Emily Jackson and family set out on a road trip from Rock Island, Tenn., to West Virginia.

Matt Munoz, a record-breaking climber, on his first trip to the Himalayas. Then, Angelli VanLaanen, a professional freeskier with Lyme Disease. Finally, Jeff Denholm, the long-distance paddle boarding champion.

Man on man off-road trucking racing leaves sand and dirt roads to try something new: super steep ski slopes. Then, the challenging journey of freestyle motocross champ, Tom Pages, on his bumpy ride to the top.

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

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

McCaul takes our audience on an off the beaten path tour of his hometown. He points out the saturated tourist traps of all his favorite local activities as we pass them by.

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

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.

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

Ken Whiting tackles one of Eastern Canada's most popular whitewater rivers, the Rouge River, and then swaps his whitewater kayak for a sea kayak to explore the beautiful flowing rivers of Québec's Lanaudière and Mauricie regions.

Biju stops by Vail, Colorado, to visit Jim Deters and experience everything that summer in Vail has to offer.

Ironman triathlons from start to finish.

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

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 Half-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!

Prepare to be amazed by the insane jumps of professional mountain biker Cam Zink as host Erik Roner gets a taste of Reno's extreme biking scene.

Seasoned travel writer Jonathan Thompson sets out to explore the adventurous sides of La Paz, Mexico and Lafayette, Louisiana.

Ken Whiting paddles through the heart of the Saguenay fjord before heading to one of the most pristine parts of North America, immersing himself in the Cree culture while exploring the region's breathtaking lakes and rivers by kayak.

Luke Hopkins heads to the lively city of Montréal, Québec to face the huge waves of the Saint Lawrence River's Lachine Rapids. Alex Kellar then explores the beautiful and tranquil rivers and lakes in the Eastern Townships by stand up paddleboard.

Ken Whiting paddles through the heart of the Saguenay fjord before heading to one of the most pristine parts of North America, immersing himself in the Cree culture while exploring the region's breathtaking lakes and rivers by kayak.

Luke Hopkins heads to the lively city of Montréal, Québec to face the huge waves of the Saint Lawrence River's Lachine Rapids. Alex Kellar then explores the beautiful and tranquil rivers and lakes in the Eastern Townships by stand up paddleboard.