Marty escapes a blizzard and flies home from the trapline to reunite with his family; Lauro runs a 100 mile dog race and gets closer to qualifying for the Iditarod; Daniel takes down a black bear to provide meat for his family.
Marty digs his bush plane out from a deep snow drift to preserve his one lifeline in the bush; Bret and Ivy escape an avalanche from their cabin roof before embarking on their journey back to home base.
Buried under record snowfall, Marty fights to heat his cabin and maintain his trapline; Lauro and Neil brave the icy Yukon River with their sled dogs, while Mike ingeniously crafts a driftwood windmill to power his homestead.
Marty has a near death experience when he plummets through ice on a frozen waterway; meanwhile, Lauro journeys deep into the untouched backcountry by dog team to establish an expedition camp.
Marty embarks on a moose hunt, luring a bull within his sights; Mike's relentless pursuit of foxes yields a collection of prize pelts; as Bret sets his sights on trapping wolves, Ivy balances duties at the homestead.
In the interior, Marty Meierotto puts the stalk on a group of caribou, but the hunt takes a wild turn when a family of grizzly bears comes charging toward his camp.
On his 80th birthday, Tom builds a teepee while Nancy plans a surprise party.
Jake and his dogs tree three cats in one day; Paul prepares his haul of winter fur for market and explores a new piece of land to call his own.
Tom begins the countdown to his 80th birthday; Jake and Anika tow a broken snowmobile down the mountain but run into fresh lion tracks and are back on the hunt; Paul sets out to take on a wolf pack.
Tom and Nancy make a special buckskin vest for Hank; Jake's snowmobile breaks down in the heart of Lion Alley; Paul takes on a neighbor's beaver and muskrat problem; Kidd and Harry plow a backcountry airstrip so planes can land safely.
Eustace and his neighbor train a stubborn stallion; Jake and his team of dogs successfully run off their first mountain lion of the season; Paul tracks and kills a young buck; Aron hunts for moose, while Jen fishes for rainbow trout.