As winter descends on the mountains, Jake's first lion hunt ends in a near-deadly dust-up, while Tom and Nancy face a surge in the local coyote population.

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.

Tom and Sean brave the bitter cold in search of better trapping grounds; Jake seeks revenge on the lion that injured his hound; and Eustace and Raleigh struggle to fix a storm-damaged bridge that connects Turtle Island to the world outside.

Jason's bladesmithing business suffers a critical setback when his hand is badly cut on the job, while 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.

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; and Jason leans on the family to overcome a looming deadline and a broken hand.

Back in the Ruby Valley, Jake tracks a dangerous mother lion and her young; Tom hand carves a traditional dugout canoe worth thousands; and Kidd and Harry go on the offensive against a pack of coyotes that are targeting their cattle.

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 & Harry blow up a beaver dam to save their water supply; and Josh goes on the offensive against the wolf threat.

Jake's second mountain lion chase in the Ruby Valley leaves him cliffed out; Kidd sets off on a whitewater excursion unlike any other; and Jason picks up the pieces after a storm drops a tree on his shop.

Jake's latest mountain lion chase leads him straight to an angry bear; Tom and Jack take on a high-dollar commission to build an ancient atlatl; and Kidd transforms a large wooden boat into a remote summer cabin.

Kidd and Harry are sent into a free fall by a freak ATV accident; Jake goes on ranch patrol to protect newborn calves; Nancy gives Tom the surprise of a lifetime; and Jason salvages farming equipment to keep his bladesmithing operation afloat.

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; and Jason returns to the forge, putting his injured hand to the test.

Season Finale. On the hunt for gold, Josh hits the jackpot; Tom puts his handmade dugout canoe to the test; Eustace sees his dream of keeping his new land go up in flames; Kidd and Harry fulfil a lifelong ambition to secure their future.

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; and Mike sets out to harvest a bounty from the Gulf of Alaska.

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; and Kidd and Harry hunt down the bear that attacked their cattle.

Kidd and Harry go toe to toe with a one-ton bull; Eustace and Raleigh dig deep for Turtle Island's food stores; Mike braves the Kodiak interior on a bear scouting mission; and Jake leads his hounds through a pulse-pounding training day.

In the Meltdown finale, Mike escapes the bear-ridden Kodiak interior on foot; Jake runs a lion on foreign ground; Josh does battle with a prairie dog colony; and Kidd and Harry sacrifice one of their cattle for the greater good of the herd.

Kidd and Harry bring down an enormous bull bison; Eustace races the weather to provide his neighbours with heat; Martha and Elli battle nasty terrain while transporting their prized moose harvest back to civilisation.

Martha and Elli stand their ground in a dangerous encounter with a bull moose; Mike sets off for uncharted territory in search of much needed meat and fur; Tom resurrects a primitive recurve bow, putting his skills to the test.

Tom and Nancy create a masterpiece out of a raw wolf hide. Jake and his young dogs tangle with two mountain lion kittens. Eustace teacher his neighbours how to put food on the table the Mountain Men way.

Jake carries his best dog off the mountain after a battle with a huge Mountain Lion; Mike flies to the end of the earth for the last round-up. Martha and Elli rescue a hunter stranded in sub-zero temperatures.

Tom ventures into new territory for beaver and sets a personal record; Jake puts his young dogs to the test, but one goes missing on the mountain; Kidd and Harry navigate a gauntlet of river ice on a mid-winter fishing expedition.

Eustace uses his Mountain Man knowledge to get water to flow uphill to supply his young neighbours; Jake's truck slides off an icy road leaving him stranded. Kidd and Harry hunt for elk antler sheds and come away with a big payday.

Josh battles a blizzard and an onslaught of predators to protect his bison; Tom and Nancy help open a new trading post in the Yaak; Mike has a close encounter with a bear while repairing an old hunting cabin.

In this season finale, Josh witnesses a bison give birth to the first calf of spring; Kidd and Harry load a mule into their boat and transport it downriver through raging rapids; and Jake runs two mountain lions up the same tree.