In the Season Premiere, Montana's Tom and Nancy Oar prepare for the long winter ahead. Jake Herak battles dense fog and mountain terrain on foot in pursuit of elk.

In Montana, Tom Oar reunites with partner Sean McAfee to set his winter trap line, but miles of grueling terrain put the veteran trapper's endurance to the test.

In Idaho, Kidd and Harry Youren hunt a black bear that tore up their camp, but the chase leads them into a dangerous confrontation.

In Montana, Tom Oar struggles with heart problems, but refuses to give up his Mountain Man way of life.

Tom receives a diagnosis for his heart condition; Jake hunts coyotes at night; Eustace rebuilds the road to Turtle Island; Mike flies to a distant shore and climbs high into the mountains to hunt goats; and more.

In Idaho, Kidd and Harry Youren navigate the raging rapids of the Snake River to deliver a scow boat to its new owner. In Montana, Tom Oar teaches 9-year-old Hank McAfee all about trapping.

Mike climbs Kodiak Island's highest peaks to take down a mountain goat, then repels down sheer cliffs to bring home his harvest. Martha and Elli use their tracked vehicle to scout new hunting grounds.

In Idaho, Kidd and Harry Youren use explosives to battle a deep freeze to protect their cattle's drinking supply. In Montana, Jake Herak's young pups learn a big lesson in Lion hunting.

In Montana, Tom Oar and Sean McAfee race to preserve a valuable buffalo hide, while Nancy makes a pair of custom moccasins. In Alaska, Martha and Elli Tansy transform a secondhand truck into an off-road beast for hunting season.

In Montana, Jake Herak and his young pups head into new territory to chase an aggressive mountain lion that was spotted close to civilization, and make a grisly discovery.

In Montana, Jake Herak turns all his pack loose on an aggressive mountain lion and comes face to face with a black bear. Tom and Jack Oar build traditional rawhide drums as they prepare to reopen the Trading Post.

In Wyoming, Josh Kirk fends off dangerous bulls to protect a bison mother while she struggles through a difficult birth. In Alaska, Mike Horstman embarks on a journey to hunt for the largest bears on earth.

On the Season 11 Finale, Alaska's Mike Horstman makes a death defying climb up and down the sheer cliffs of Kodiak Island leading to a showdown with a monster brown bear.