Heimo stalks his best hunting grounds; Tyler tracks caribou as the pressure is on to get a big kill before the harsh Alaskan winter takes hold; Charlie inspects his trap lines but damage from summer wildfires puts his season in jeopardy.
Charlie scrambles to secure his first big kill and rebuild his trap lines; Heimo's daughter, Krin, and her family arrive in the refuge, but they're tested immediately when their cabin turns out to be uninhabitable; Bob struggles with his health.
The loss of Bob Harte is felt across the Refuge; Heimo boats to Bob's cabin to bring Bob's possessions to his family; Charlie recovers his father's shotgun from a hidden survival cache and hunts small game; Edna prepares caribou head.
Moose season opens; as Charlie looks for a kill, he realizes he's being stalked by a bear; Heimo takes Krin to his best moose territory; Tyler takes to the skies to assess the fire damage.
As winter closes in, Tyler is on a desperate hunt to get a moose that can feed his family; with the river freezing over, Heimo and Scott race to get his boat off the water; Bob's daughter and ex-wife return to his cabin to honor his memory.
With temperatures plummeting, Heimo pushes into the Arctic, desperate to get a moose for winter; Charlie and Tyler look to start their trapping seasons but must overcome devastating fire damage on their trap lines.
With no meat for winter, Heimo is desperate to run his trap line, but he has no choice but to hunt for moose; Krin discovers that a wolf pack is hunting on her trap line; Tyler and Ashley work together to make the most of a recent moose kill.
Heimo tests his trapping skills on both land and water to outsmart one of his favorite catches, beaver; Scott puts lessons learned to the test as he tracks marten; Tyler's plan to run his sled dog team is threatened when the pack turns on each other.
Scrambling to finish the trapping season, Heimo discovers the best catch of the season, a wolf; Charlie walks in a legend's footsteps as he works the trap lines Bob left him; Tyler gets the hunting cabin ready for next season.
As the Last Alaskans settle in to their fall routines in preparation for winter's trapping season, several visitors make their way out to the cabins; Heimo and Edna roll out the red carpet for their youngest daughter, Krin, and new grandson, Colby.
The Last Alaskans are finally home; Heimo and his youngest daughter, Krin, hunt for caribou; the Seldens have helpful visitors and an exciting announcement; Bob arrives back at his cabin.
The Last Alaskans gear up for trapping season; Heimo's newest cabin may have been invaded by a marauding bear; Tyler and Ashley are in full swing building a new home for their growing family.
With winter fast approaching, the Last Alaskans set out to hunt moose; Heimo and Edna team up together; Tyler follows his gut instinct to stalk an elusive bull; Charlie soon discovers why the area is called Starvation Country.
Heimo Korth builds a new cabin for his family as summer fades; the Seldens settle in and seek moose meat to fill their larder; the Lewis family heads for an old homestead by boat.
Heimo breaks ground for the new cabin; Bob and his daughter journey to the cabin where she was raised; the Lewises resurrect their very first cabin in the bush.
Winter preparations focus on finding food; Heimo pursues caribou meat; Tyler and Ashley score big game and confidence; Bob and his daughter arrive at their cabin and reminisce on the past.
Food and shelter are sought before snow falls; a bear spoils Heimo's hunt for caribou; Tyler and Ashley work to pull in a winter's supply of salmon; Bob and Nancy face a hard truth about the future.
The Seldens undertake a four day trapping loop; Heimo competes with a pack of wolves to recover a moose; the Lewis cabin is rehabbed, but the girls still have a lot to learn about the home.
An intruder threatens Tyler and Ashley's success; Heimo and Edna bid a final farewell to their oldest cabin; Charlie meticulously builds his first cabin and ponders his future in the bush.
The production crew goes behind the scenes, with unseen footage from the series; with harsh autumnal weather, the Lewises struggle to get their boat up river.
The residents look back on past holiday celebrations they have held hundreds of miles from civilization; Edna Korth enjoys an abundantly decorated Christmas tree with tinsel that annoys Heimo; the Lewis girls spy on their parents wrapping gifts.
Animals are on the move in the Arctic National Wildlife Refuge during the Fall; Heimo tracks a caribou migration; bear tears through Bob's cabin, destroying 2 years of collected dry meat, and the Lewis family arrives alongside some moose.
Everything revolves around finding food; Heimo hunts a moose that can feed Edna and him for months; Bob's wreck of a boat threatens the hunt; The Seldens find thier cabin flooded.
The price of living hundreds of miles from civilization is evident; Tyler and Ashley make a long 15 mile journey to a lake cabin on a quest for food and to run their dog team; Bob leaves to go see his daughter.
The first day of darkness has arrived in the refuge and everyone is now in jeopardy of getting caught miles from home in the dark; the Lewis family daughters prepare to leave and trek into town on their own.
Residents of the refuge look forward as winter's end approaches; Bob prepares Ruger to be a hunting dog; Ray prepares for life without his daughters; Heimo pushes his body to the breaking point.
Sunlight has returned to the refuge; temperatures in the minus-50 range stun the residents; the Seldens inhabit a new cabin; Bob has his worst season in 40 years and contemplates his future.