As winter descends in the mountains, Jake's first lion hunt ends in a near-deadly dust up; Tom and Nancy face a surge in the local coyote population; Jason comes face to face with a marauding black bear; Mike fights predators on land and sea to secure some fish for the winter; and Josh Kirk hunts down a deer for the larder.

Eustace and Raleigh try to restore an antique buzz saw; Tom takes on a massive new dugout canoe project; Jake's quest for winter meat takes him on a dangerous high-altitude hunt; Kidd and Harry race against a winter storm to round up rogue cattle; and Mike competes with a giant Kodiak bear to score his salmon supply for winter.

Tom and Sean brave the bitter cold in search of better trapping grounds; Jake seeks revenge on the lion that injured his hound; Eustace and Raleigh struggle to fix a storm-damaged bridge that connects Turtle Island to the world outside; Mary forges her first Ozark blade; and Josh loses a bison to a pack of hungry wolves.

Jason's bladesmithing business suffers a critical setback when his hand is badly cut on the job; Jake's latest lion hunt turns into a rescue mission when he discovers his dogs are on a collision course with a pack of wolves; Kidd and Harry break a colt for a backcountry client; and Josh salvages all he can from a bison that was killed by wolves.

Mike's bear scout turns into an alpine goat hunt; Jake brings in the big dogs to settle an old score with a problem lion; Tom and Sean check beaver sets to see if their new trapping grounds will pay off; Jason leans on the family to overcome a looming deadline and a broken hand; and Kidd and Harry run a backcountry gauntlet to deliver a young horse to a remote buyer.

Jake tracks a dangerous mother lion and her young; Kidd and Harry go on the offensive against a pack of coyotes that is targeting their cattle; Eustace and Raleigh track a rogue black bear that's been raiding a neighbor's home.

Mike returns to the bear-infested crags of Kodiak to reclaim his mountain goat kill; Jason hunts down a wild hog to feed his family; Kidd and Harry blow up a beaver dam to save their water supply; Josh goes on the offensive against wolves.

Jake's second mountain lion chase in the Ruby Valley leaves him cliffed out; Eustace and Raleigh turn scrap steel into pure profit; Kidd sets off on a whitewater excursion unlike any other; and Jason picks up the pieces after a storm drops a tree.

Jake's latest mountain lion chase leads him to an angry bear; Tom and Jack take on a commission to build an ancient atlatl; Jason builds a steel trap to keep the area's wild hogs in check; Kidd transforms a large wooden boat into a summer cabin.

Kidd and Harry are sent into a dangerous free fall by a freak ATV accident; Jake goes on ranch patrol to protect newborn calves; Nancy gives Tom the surprise of a lifetime; Josh attempts to wrangle a feral horse.

Josh goes panning for gold in a quest to unearth the West's greatest treasure; Eustace fights to save his land, but must say goodbye to an old friend; Jason returns to the forge, putting his injured hand to the test.

Josh hits the jackpot; Tom puts his handmade dugout canoe to the test; Jake makes his last stand against a massive predator; Eustace sees his dream of keeping his new land go up in flames; Kidd and Harry secure their future in the mountains.

As the spring melt sweeps the mountains, Jake sets his sights on bagging a black bear for the larder; Eustace and Raleigh race against time and weather to plant crops; Mike sets out to harvest a bounty from the Gulf of Alaska; Kidd and Harry drop and haul lumber for their ranch; and Jason puts his homestead expansion on hold when a tornado comes crashing through.

Mike flies into the Kodiak backcountry in search of rich bear hunting grounds; Jason rushes to complete a barn before his new herd of goats arrive; Kidd and Harry hunt down the bear that attacked their cattle; Josh creates a water supply for his growing herd of bison; and Jake turns his bear kill into food stores and profit.

Mike escapes the bear-ridden Kodiak interior on foot, as Jake runs a lion on foreign ground. Meanwhile, Josh battles a prairie dog colony.

As winter closes in, Morgan and Margaret fly North to track down the great caribou migration and secure meat; Marty preps his trapline for the arrival of his daughter, Noah; Jake starts his season tracking two lions. Eustace takes on an apprentice and uncovers some illicit activity on his new land; Kidd and Harry rescue horses from a pack of hungry wolves.

Eustace and Raleigh battle a polar vortex to get their lumber business back online; Mike braves a bear-infested landscape in search of fresh meat; Morgan and Margaret chase the migrating caribou, hoping to secure enough food for winter.

As night descends across the mountains, Mike treks through bear country with fresh meat on his back; Morgan battles dark and dangerous terrain in a last-ditch effort to fill his freezer; Jake's latest lion hunt takes him deep into wolf territory.

Jake will do anything to get his injured dog to the vet; Tom and his brother are left high and dry when the well on his ranch stops pumping; Mike has to go back on the hunt after bears pillage his provisions.

Jake sets off alone on the hunt for elk meat; Jason rolls the dice on an experimental smelter; Morgan and Margaret combat a critical water problem; Mike targets Kodiak Island's most dangerous quarry; and Marty bids a final farewell.

Eustace and Raleigh set out in search of a deer to replenish their food stores; Jason faces the moment of truth in his attempt to create his own steel; Jake hauls 400 pounds of fresh elk meat out of the mountains; Kidd and Harry pack supplies.

Kidd and Harry battle time and rough terrain on a backcountry supply run; Jake and his dogs track down a repeat offender; Tom gets back to business in the Yaak; Morgan checks his remote trapline for high-dollar fur.

Jake has a problem lion on his hands and soon discovers it's not alone; Tom and his brother, Jack, break down on the road to the Yaak Valley; Morgan crosses the Great Alaska Range on an emergency supply run.

Kidd and Harry set their sights on bagging a buffalo; Jake goes after a mountain lion caught too close to civilization; and Morgan fights the deadly skies of Alaska in a race to resupply his homestead.

Tom and Sean face off against a coyote threat; Eustace and Raleigh enlist some much-needed help building their lookout cabin; Jason takes one final crack at creating Ozark steel; Morgan and Margaret push deep into the back country.

Tom turns coyotes into cash; Eustace and Raleigh take to the forge to raise money for roofing materials; Mike scouts bears for the spring hunting season; Morgan and Margaret go fishing.

Jake hunts a lion caught stalking a school bus stop; Tom sets out to end his trapping season on a high note; Eustace and Raleigh struggle to put a roof on their outpost cabin; Morgan and Margaret prepare their horses for a critical supply run.

Morgan battles a bear-infested island for a critical head start on the season as winter approaches; Tom is caught in Montana’s deadly wildfires; Eustace wrestles with the aftermath of Preston’s death; and the Hawk clan prepares for a life-changing arrival.

The bears keep Morgan on the run as he tries to secure his catch and escape with his life; Eustace struggles to get back to work without Preston; Jason and Mary prepare for their due date; Tom scales treacherous terrain and Jake readies his team to face down the lions.

In a risky bid to get out of the red, Marty fights to reclaim his long-abandoned turf; Morgan races to build a shelter in the snow and ice of subzero Alaska; Eustace gets a boost in horsepower; Jason and Mary brace for a home birth; and Jake's lion hunt takes a dangerous detour.

Morgan gets a crash course in extreme winter flying; Marty battles a predator invasion; Tom faces a new wolf threat; Jake and his hounds hunt a rogue lion; and Jason steps in to bring a new life into the world.

Tom takes the fight to the wolves; a lion chase claims a casualty; Morgan builds bigger; and Eustace goes to battle to defend his land.

Marty brings in a record haul; Margaret's extreme flight training leaves her out in the cold; Tom puts his master craftsmen skills to work; and Jake chases his next meal.

Tom returns to the field on a rescue mission; the deep freeze leaves Morgan and Margaret scrambling for water; Eustace takes on a risky payday in a bid to buy his neighbor's land; Jason's improvised engineering is a game-changer in the forge.

Eustace battles a beast to bring home a bonus payday; in pursuit of a lion, Jake's team is left hanging on a cliff's edge; Marty gambles on the ice to make bank; Mike fights to survive the dangers of bears-infested Kodiak.

Morgan's first flight over the peaks leaves him in a dead skid over the edge; Marty fights to double down on a big payday; Eustace bites off more than he can chew to get the job done; Jason takes River on a mountain rite of passage.

A mid-winter melt threatens to derail Tom's season; Eustace masters gravity to keep the water flowing at home; Jason and Mary make a move to feed their growing family; Morgan and Margaret top off a major project; Mike cashes in on a rare find.

Marty brings out the big guns for a final frenzied push out of the brush; Morgan and Margaret make a major breakthrough; Mike battles Kodiak's most treacherous mountain; Jake faces down a pair of predators; Jason fuels the forge.

A massive week-long storm tears Morgan's homestead apart; Mike goes on the offensive for the annual awakening of Kodiak's bears; Tom takes on a custom order to celebrate an important milestone; Jason builds a Viking axe.

When a massive mid-winter storm tears across Alaska, Marty pushes his machine to the limit; Morgan and Margaret race to make the cut before the snow hits; Eustace revives a lucrative business venture; Jason discovers a hidden bladesmith's bounty.

Morgan's big day goes bust when his plane breaks down; Mike's supply run across the bay leaves him high and dry; Tom takes on a rare high value commission; Jake's dog team hunts down two lions in a marathon high-speed chase.

Morgan's first flight to the homestead hits a wall of bad weather; Mike fights icy currents and fading daylight to get supplies back to his cabin; Tom runs a gauntlet of timber and brush in search of some late season fur; Eustace revives his furniture business to make some fast cash; and Jason forges salvaged airplane parts into high-end cutlery.

Marty wraps up trapping season with a record haul; Morgan flies solo for the first time over the Great Alaska Range; Tom battles rapids on the Kootenai River; Eustace tries to raise a down payment to buy land.

Winter descends on the mountains without mercy; Marty is trapped in 50-below weather; Morgan and Tom forge new alliances; Rich battles a rogue grizzly.

Morgan races the ice to gather critical supplies; Eustace digs out from a devastating tornado; Marty takes to the air in a bid to win the season.

Morgan fights to stay afloat on a treacherous river run; Jason loses everything; routine training turns to live combat for Rich's dog team.

Winter strikes and Morgan hunts for riches in the ruins; Jason tackles a river giant; and Eustace makes a breakthrough with black powder.

Marty's retreat leads to a surprise in his own backyard; Morgan builds to beat the dangers of the deep freeze; Tom hits the jackpot.

Tom defends his home against a wolf pack; Eustace attempts to turn trash into treasure; Jason goes on a mission to feed his family

A slip of an ax blade slices Morgan too deep; Marty targets a wolf pack on a killing spree; Tom digs out.

Morgan is sidelined while he gets back on his feet; Marty fights to stay in the game; Eustace makes a critical trade to protect his future.

Marty doubles down on a new strategy to keep from losing more ground; Morgan and Margaret defend what's theirs; Jason's hunt for land becomes an ordeal.

Marty fights for every last dollar as his season goes into free-fall; Eustace and Preston experiment in barnyard engineering; Jason gets locked out of a new home.

An early thaw puts Morgan's supply drop on thin ice; Marty hunts the beasts of Kodiak Island; Tom makes the most of his unprecedented winning streak.

An early melt unleashes the bears weeks ahead of schedule in the Great Alaska Range; Jason's hunt for a home is finally over, while Eustace and Preston's race to the finish line ends in ruin.

Morgan's horses go missing just as the local bears wake for spring; Rich's marathon lion hunt turns into an epic chase; Tom goes after America's largest game.

Marty ends a failed season with a blockbuster catch; Tom stands his ground against a powerful beast; Preston and Eustace fight fire with fire to lay down roots for the next generation.

Morgan's land fails to provide, leaving him locked in a life or death battle with hunger. Tom's bad luck streak continues into a new season. Rich takes a bruising fall.

Rich deals with the aftermath of his accident. Morgan's search for food intensifies. Eustace gets a golden opportunity, but it may be more trouble than it's worth.

Morgan's surprise discovery could finally put food on the table. Tom's hard work doesn't pay off.

Tom calls in some help to bail him out; Morgan battles to survive in the deep freeze. A father pulls out all stops to secure his family's future.

Tom and Nancy divide and conquer to get ahead. Eustace makes a breakthrough with his lumber business, while Morgan's luck finally turns around.

A hard truth forces Tom to do the unthinkable. Morgan goes on a do or die hunt in the high peaks. Marty discovers competition on the line.

A jackpot slips from Tom's grasp; Morgan's last ditch effort to find food takes him into the treacherous peaks. Marty is driven off his line.

Rich hunts a known dog-killer on unfamiliar ground. Morgan goes to great heights to protect his food supply. Tom harnesses the power of a bird of prey.

Tom takes on the Snake. Marty's new opportunity goes up in smoke and Eustace takes a hard fall that puts him out of commission.

Eustace struggles to accept the reality of his injuries. Marty scrambles to recover from a costly blow and Tom finally makes a breakthrough.

Marty begins an epic overland journey into the Alaskan bush. Morgan clashes with a ravenous grizzly bear.

Tom hits the rocks with only weeks of winter left to go. Morgan seeks protection from the bears and Jason fires up the forge.

The river deals Tom's season a fatal blow. Marty fights the ice to make it home and Jason battles a deadline to deliver for his family.

Tom washes out in Idaho and retreats to the Yaak. Eustace races to stop a breakout and Morgan battles predators large and small.

Tom scrambles a last minute bear hunt to save his season. Morgan fights for his future with fire. Eustace has an unexpected showdown.

Tom pays the price for two consecutive failed winters. Morgan calls in reinforcements for his horses. Eustace and Preston harvest a hog and Rich makes a pick of the litter.

Tom defends his home against the threat of a bear; Morgan makes a fatal miscalculation on thin ice.

Morgan gets stuck in the grips of an ice desert with no shelter in sight; Marty's return to Alaska's Revelation Mountains takes an unexpected turn.

Winter's uneven arrival creates mayhem in the mountains, placing Rich on the front lines of a new war against predators and pushing Tom to the brink.

Morgan climbs into the dangerous Alaska Range; Rich goes to war with the wolves.

Morgan walks into a death trap in the Alaska Range when a whiteout hits in an avalanche zone.

Marty finds an unexpected advantage; Rich starts a search for a lost friend.

Morgan stakes out his next meal to battle starvation; Marty finds an unexpected jackpot.

Tom's run of bad luck escalates, but he refuses to give up; Morgan closes in on his goal; Marty prepares for his family's arrival on the line.

Morgan's survival depends on a critical airdrop; gale-force winds threaten to destroy Marty's cabin; Tom finally gets a breakthrough that could end his losing streak.

Eustace Conway and others try to obtain the food and supplies to make it through winter.

A breakdown leaves Marty stranded after dark; Eustace must improvise when he comes up shorthanded.

An early melt halts Marty's record run; Tom receives a surprise boost; and Eustace tries to finish a logging job before spring.

Marty makes a gamble that changes everything; a storm batters Eustace and Preston during their final push.

A predator comes back when Tom can least afford it; Marty runs out of daylight; Rich fights back the wolves.

It's a race against the end of winter, Marty takes a risk on thin ice, and Rich launches a rescue mission.

This season opens as a polar vortex sweeps across the nation and plunges America into a brutal early winter. Tom Oar is behind on his winter preparations because he's spending time with family in Florida and facing a possibly life-changing decision. Will he sacrifice leaving the mountain man lifestyle behind to live closer to his family? In the Ruby Valley, a bloody encounter with a mountain lion leaves Rich Lewis's lead hunting dog Brandy in a life or death situation, and could end her career forever. Marty Meierotto takes advantage of a break in the harsh weather to embark on his annual trip to the Great Alaskan Range, but this year instead of leaving his wife, Dominique and their daughter Noah behind he's taking them with him. And in New Mexico's rugged and relentless High Desert, we meet Kyle Bell who is teaching his son Ben the dying ways of the mountain man lifestyle.

As winter tightens its grip on the nation, the mountain men fight the elements to stay alive. In New Mexico's Cimarron Valley, Kyle Bell and his son Ben scramble to save a herd of bison from a fast approaching winter storm. In North Carolina's Blue Ridge Mountains, Eustace Conway and his friend Preston brave the wettest winter in decades to stop a dangerous landslide from washing out a rural road. In Montana, Tom Oar prepares himself for the fight of a lifetime after a run in with a pack of wolves while Rich Lewis braves a blizzard to put meat on his table for the winter. And deep in Alaska's wilderness Marty Meierotto and his family settle into their new remote surroundings.

As the worst winter in decades rages across the nation, the Mountain Men must fight to stay on top of the food chain. In the Yaak Valley, the growing wolf population comes knocking on Tom Oar's door, and quickly turns into a blood feud. In Alaska, Marty Meierotto's traps are coming up empty, causing him and his family to regroup and figure out how they're going to survive the season. In the Ruby Valley of southwest Montana, Rich Lewis bags enough meat to survive the winter, but his battle has only begun as hungry predators catch the scent. In North Carolina, Eustace Conway struggles to bring a 100-year-old sawmill back to life to keep his property in the black. And in New Mexico's Cimarron Valley, Kyle Bell puts his 10-year-old son's mountain man skills to the test on his first hunting trip.

Marty makes a new start in some of Alaska's most unforgiving terrain, but his first solo flight into the Revelation Mountains becomes a dangerous ordeal. In the Cimarron Valley of New Mexico, Kyle Bell helps his son Ben break his first colt, but day one goes terribly wrong. Eustace Conway and his friend Preston set out to build an enormous lumber shed to shelter his newly milled wood from North Carolina's torrential rains, but it quickly proves to be a risky undertaking. And in the Yaak, Tom attempts to preserve a bison hide that can earn him big bucks if his gamble pays off.

An overflowing river of ice threatens to trap Marty Meierotto with no way out of Alaska's Revelation Mountains. In Montana, Tom Oar's experiment on a lucrative bison hide goes up in flames. And in North Carolina, Eustace Conway puts his ingenuity to the test to build a wood-burning truck from scratch.

Rich runs his hunting dogs through a gauntlet of tests to determine which will become the new leader of the pack. Marty sets out on foot to cut a new trap line and salvage his season. While Tom goes back to his roots to bow hunt a buck with hand-crafted arrows.

In Montana, Rich Lewis must defend his home from a mountain lion that has invaded his turf. In New Mexico, after a failed first attempt, Kyle Bell's son Ben steps up again to break a wild young colt. In the Revelation Mountains, a voracious wolverine threatens to derail Marty Meierotto's season for good, and in North Carolina, Eustace Conway puts his wood burning truck to the ultimate test.

Marty fights back against a wolverine but it takes him on a treacherous journey; Charlie takes a big risk in uncharted wilderness and Tom claims his place on the food chain.

When winter unleashes its full fury Kyle and Ben get caught in its crosshairs. In Alaska, Marty's gamble on new country pays off. The polar assault brings Eustace's progress in North Carolina to a standstill. And far north in Maine, Charlie breaks the ice to finally cash in on some fur.

In the Revelation Mountains of Alaska, Marty is forced to make a dangerous river crossing to return to base camp. In Maine, Charlie battles a coyote to protect his new trapping ground. Tom hunts down a nuisance animal in Montana's Yaak Valley and Eustace races against a storm in North Carolina to bring his horses to shelter.

In the Revelation Mountains of Alaska, Marty faces off with a vicious wolverine. In Montana, Rich tries to protect a young family from a hungry predator while Tom Oar battles the bitter cold to build a primitive teepee. And in Maine, one wrong step has Charlie Tucker fighting for his life.

As the bitter cold pushes predators to the edge, Tom is caught in a close range battle while Rich goes head to head with a pack of wolves.

A visit from Tom's son Chad goes terribly wrong and Marty's flight back from the Revelation Mountains is delayed.

Marty is stranded in the Revelation Mountains with one last chance to get home, while Kyle and Ben launch a nighttime stakeout to stop a predator.

Tom battles a dangerous ice jam. Marty launches a last ditch escape from the Revelations, and a deadly predator returns to the Ruby Valley.

Marty is forced to make a mid-flight detour that costs him precious fuel; Rich faces his worst fear when the dogs run off in pursuit of a deadly predator, and Kyle takes down a beast.

In the Yaak Valley of northwest Montana, the worst fire season in living memory threatens the home of Tom Oar. In Alaska, Marty Meierotto flies into the heart of a vicious storm on his annual journey to his remote winter trapline. Turtle Island, Eustace Conway's refuge in the Blue Ridge Mountains, comes under threat from developers. And a new mountain man, lion hunter Rich Lewis, leads his dog team through Montana's Ruby Valley in pursuit of a deadly puma.

Marty Meierotto arrives at his Alaska trapline, but the unseasonably warm weather is impeding his plans. In North Carolina, Eustace Conway discovers two headless chickens in his henhouse, and begins a hunt for the predator responsible. In northwest Montana, Tom Oar discovers a grizzly bear has been prowling his property, while in the southern corner of the state, Rich Lewis frantically searches for his missing hound, Turbo.

Desperate for food after a grizzly bear ravaged his garden, Tom Oar embarks on a last-ditch deer hunt. Marty Meierotto begins to establish his winter trapline, breaking fresh trail in the uncharted wild. In the Ruby Valley of Montana, Rich Lewis pursues a marauding wolf pack that has slaughtered a neighbor's cattle. And in the Blue Ridge Mountains of North Carolina, Eustace Conway must deal with Scout, a careless intern with "a dose of city boy in him.

After a successful deer hunt, Tom rushes to prepare the meat before it attracts hungry grizzly bears. In North Carolina, Eustace takes on a grueling job that he needs to complete in order to make his first loan payment. Marty's mechanical problems return and leave him stranded in the cold Alaskan night. In Montana's Ruby Valley, Rich postpones an elk hunt when he discovers evidence of a lion poacher. Rookie mountain man Charlie Tucker begins his trapping season in Maine's Great North Woods.

Rich and his hounds track Rich's nemesis, the killer mountain lion Three-Toes, across the length of Montana's Ruby Valley. In Alaska, a young prot g brings Marty the new snowmobile engine he's been waiting for. Eustace races the winter frost to seed his field in North Carolina and in Northwest Montana, Tom receives a commission from a neighbor to build a primitive bow, with a deadline that puts his endurance to the test.

Logger turned Mountain Man, Charlie Tucker's luck takes a turn for the worse in the sub-zero North Maine Woods as a rookie mistake nearly costs him everything. In Alaska, Marty and Andy split up to cover more ground with the plan to rendezvous at dusk. But as night falls, Marty is missing in action. In North Carolina, Eustace puts his life on the line to help a neighbor in need, and in Montana's Ruby Valley, Rich Lewis sets off after a bobcat which has been eating his livestock, and the cat draws first blood, injuring two of his dogs before Rich vows revenge.

Marty rushes to make the most of an extra pair of hands. Tom's grandson comes for a visit but soon learns that there's no such thing as vacation in the Yaak. Charlie heads out on a hunt for shed moose antlers. And in Montana's Ruby Valley, Rich Lewis' dogs are hot on the scent of a mountain lion when their hunt takes a dangerous turn.

Rich's cougar hunt takes a dark turn in Montana. Marty competes with a wolf pack for food. Tom and Will race an oncoming storm that puts them in jeopardy. And in Maine, Charlie suspects sabotage.

Charlie spends the night injured and alone in Maine. In Montana Tom investigates signs of a predator lurking too close to home. Eustace rushes to raise money to make his loan payment. And in Idaho, new mountain man George Michaud tries to make a living running his dog sled through the peaks of the mighty Tetons.

Tom struggles to keep a deadly wolf pack off his land despite an injury. Rich tracks a large buck over tough terrain on his mid-winter hunting trip. Eustace makes some much-needed repairs and George is forced to make his way across the Tetons on foot across before bad weather hits.

In Alaska, Marty tries to capitalize on his recent string of good luck by building a second cabin at the far end of his trap line. Andy flies in to help but with temperatures dropping below zero, the backbreaking labor takes a toll. Tom is still recovering from a knee injury, but he needs a beaver tail to finish his latest commission. Tim and Nancy volunteer to head to the river and check Tom's traps for him, but it proves to be more challenging than they expected. In the Ruby Valley... with his prized stud horse, Rusty, threatening to escape and join a wild herd, Rich works on fixing up his corral along with his friend, Brad. But things quickly start going south. In Idaho, George Michaud has a run in with a thieving predator and in North Carolina, Eustace, Preston and Scout continue to work on the damaged tool shed roof, giving Eustace a chance to test Scout's evolving skills.

Tom heads down to Idaho to help his brother break a pair of wild colts. Charlie Tucker returns to action after his shoulder injury, and puts his recovery at risk on Maine's frozen Rowe Lake. Rich sets off on a cougar hunt but ends up having an unexpected run-in with a bear instead, and George continues his frustrating search for food by the Snake River.

In the Yaak Valley, Tom Oar teams up with his brother Jack to help return Jack's prized hunting falcon back to the wild. In southern Montana, Rich Lewis and his wife Diane need to move their cattle herd, but will the predators get to them first? Marty starts wrapping up a successful season, but the elements won't let him leave Alaska without a fight. Eustace and Preston realize they have to contend with coyotes who are putting their wild game at risk. And in Maine, rookie Charlie Tucker struggles to re-start his season after an injury left him with one working arm.

In Alaska, after spending the night under the stars in subzero conditions Marty struggles to get his snow machine out of a stubborn overflow. In the Ruby Valley, Rich takes his oldest dog, Brandy and youngest dog, Hatchet, out on a special training mission. Eustace and Preston set off on a crucial deer hunt, but are interrupted by loud intruders. In the Yaak Valley, Tom is called by his friend, Tim to help with a beaver problem and takes the opportunity to teach an important lesson; and in Maine, Charlie and Jim head to the frozen river to carve out 100 pound ice chunks for Charlie's root cellar.

The end of Montana's long winter is finally in sight. Tom and Nancy Oar are scrambling to get through the last of their winter works when a surprise call comes in from their family that will force them to make a difficult decision. In the Ruby Valley, Rich passes on some of his lion hunting knowledge to a greenhorn. Eustace takes an opportunity to pay down his loan by building a primitive canoe, but the work is well outside his comfort zone. Charlie continues to struggle with his injury, while racing the change in seasons to secure some final furs, and after a highly successful season, Marty bear proofs his cabin and prepares to head home to Two Rivers.

Winter has finally come to a close, spelling big changes for Tom, who bids farewell to an old friend and packs his bags for Florida. In the Ruby Valley, Rich grooms his youngest hound to take over the pack, but an influx of cougars finds the pup in over his head. In North Carolina, Eustace takes a dangerous trip down a rapid river to deliver the canoe he built to pay off his loan. In Maine, Charlie takes his furs to market and hopes to break even on his rookie season, while in Alaska, Marty enjoys a reunion with his family, then makes big plans for the future.

The Mountains of North America haunt the imagination, masking a danger few are willing to confront. Despite the challenges, some choose to live this way, the last of their kind. Eustace Conway lives deep in the mountains of North Carolina. He moved here 33 years ago in search of a more "truthful" existence. In the years since, he's built a home, and survived by hunting, fishing and raising animals. Tom Oar lives with his wife on the Yaak River in Montana. He is 100 miles from the nearest town, a place he hasn't ventured to in 10 years. Marty Meierotto, his wife Dominique and their daughter Noah live in the small Alaskan town of Two Rivers. Every month, Marty pilots his bi-plane, traveling into the bush in search of the wolverine and lynx pelts he needs to make a living. While he's on the Black River, he must hunt moose and caribou to survive in the wilderness. Together, these men represent America's true MOUNTAIN MEN.

Tom Oar tries to save a friend's water supply and hunt his winter's meat surrounded by grizzlies. Eustace Conway deals with the threat of someone trying to take his land. Marty Meierotto combats life or death situations due to breakdowns.

A dispute between Eustace and Justice quickly escalates, leading to dramatic repercussions; Tom has difficulty navigating through the Rockies and gets lost; Marty must endure extreme conditions in his effort to reach home.

While survivalist Tom Oar is in the Yaak of Montana, he is confronted with a life-changing decision; Marty Meierotto must brave Alaska's extreme weather for months before returning to family; a sickly Eustace Conway must protect Turtle Island.

Tom must postpone his work in order to hunt for meat to sustain him during the winter months, but predators are looming; Eustace needs assistance in protecting Turtle Island's most valuable resource; Marty may not meet his fur deadline.

Tom Oar is forced to take matters into his own hands and push dangerous wolves away from his property. In North Carolina, the water runs out for Eustace, shutting down Turtle Island. And in Alaska, a simple mistake could cost Marty everything.

High in the Appalachians, Eustace Conway is forced to track down a poacher that has trespassed upon his land. In Alaska, Marty Meierotto is in on the hunt to provide for his family when unwanted grizzlies make themselves known. And in the Yaak Valley of Montana, bears wake as Tom and friend Tim hunt antlers deep into the forest. But when things get dangerously quiet, they soon realize they are not alone.

In North Carolina, Eustace Conway's land is in jeopardy, so he saddles up and rides into town to make his final stand. In Alaska, Marty battles weather and wind as he attempts to feed his family and make it back home alive. And finally, Tom Oar's under the gun to finish his goods when an unwelcome bear threatens his family.

The ten closest calls counted down.

Relive the mountain men's best battles against nature's deadliest predators

Tom Oar, Marty Meierotto, and Eustace Conway reveal what it takes to answer the call of the wild; the untold stories of their first winter, and the early trials that forged them into legends of the mountains.