Episode 1
In the Season 4 premiere, unpredictable extreme conditions lead to the survivalists finding new ways to adapt.
Episode 2
Tom defends his home against the threat of a bear; Morgan makes a fatal miscalculation on thin ice.
Episode 3
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.
Episode 4
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.
Episode 5
Morgan climbs into the dangerous Alaska Range; Rich goes to war with the wolves.
Episode 6
Morgan walks into a death trap in the Alaska Range when a whiteout hits in an avalanche zone.
Episode 7
Marty finds an unexpected advantage; Rich starts a search for a lost friend.
Episode 8
Morgan stakes out his next meal to battle starvation; Marty finds an unexpected jackpot.
Episode 9
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.
Episode 10
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.
Episode 11
Eustace Conway and others try to obtain the food and supplies to make it through winter.
Episode 12
A breakdown leaves Marty stranded after dark; Eustace must improvise when he comes up shorthanded.
Episode 13
An early melt halts Marty's record run; Tom receives a surprise boost; and Eustace tries to finish a logging job before spring.
Episode 14
Marty makes a gamble that changes everything; a storm batters Eustace and Preston during their final push.
Episode 15
A predator comes back when Tom can least afford it; Marty runs out of daylight; Rich fights back the wolves.
Episode 16
It's a race against the end of winter, Marty takes a risk on thin ice, and Rich launches a rescue mission.
