Crash and Burn: Marty's new opportunity goes up in smoke and Eustace takes a hard fall that puts him out of commission. (S5, ep 9)

The Cut: A slip of an axe blade gives Morgan a deep wound. Marty targets a wolf pack on a killing spree, and Tom digs out. (S6, ep 8)

Killer Instinct: Morgan takes to higher ground to protect his food supply, while Rich goes on the hunt for a dog-killer. (S5, ep 8)

Hunter and Hunted: Tom defends his home against a wolf pack. Eustace attempts to turn trash into treasure, and Jason goes on a mission to feed his family. (S6, ep 7)

Freeze Out: A jackpot slips from Tom's grasp; Morgan's last ditch effort to find food takes him into the treacherous peaks; and Marty is driven off his line. (S5, ep 7)

Let the Weight of the Hammer do the Work: Marty's retreat leads to a surprise in his own back yard. Morgan builds to beat the deep freeze, and Tom hits the jackpot. (S6, ep 6)

The Surge: As winter strikes, Morgan hunts for riches in the ruins, Jason tackles a river giant and Eustace makes a breakthrough with black powder. (S6, ep 5)

Hard Luck: Morgan faces a gauntlet of frozen river crossings to get home, Tom strikes out, and Marty's season begins to unravel. (S6, ep 4)

Labour Pains: 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. (S7, ep 3)

Breakage: Morgan battles to stay afloat on a treacherous river run, Jason loses everything, and for Rich's dog team, routine training turns to live combat. (S6, ep 3)