Alone

The teams for Season 4 are selected.

Adventurers are dropped in the remote wilderness and must acclimate to the new terrain.

As their teammates attempt to set up camp, the hikers find that Vancouver Island's terrain is even more punishing when on the move. The island beats one pair into submission.

As teammates set up camp, hikers find the Vancouver Island terrain to be more treacherous when on the move, as it beats one pair into submission, while another endures a devastating accident.

Desperate hikers struggle to make the final push to their teammates; and exhaustion leads a participant into the path of a predator and a dangerous confrontation.

Reunited teams dive into the difficult task of surviving together and feeding two people. Meanwhile, the final hiker's brutal mountain climb could dash his hopes of ever making it to camp.

With rain pummeling the island, teams scramble to avoid freezing flood waters, while a group attempts a massive construction project that could be a key to survival

Adventurers are dropped in the remote wilderness and must acclimate to the new terrain.

Existential threats are faced at every turn by the three remaining teams after nearly a month on the island, as one participant is forced to fight a raging fire, while rising tensions could end a partnership.

Adventurers are dropped in the remote wilderness and must acclimate to the new terrain.

As time presses on and temperatures drop, the final teams grapple with an unbearable desire to tap out. But the $500,000 prize is hard to give up, and the participants push themselves until one reaches the breaking point

Adventurers are dropped in the remote wilderness and must acclimate to the new terrain.