Alone

As their teammates attempt to set up camp, the hikers find that Vancouver Island's terrain is even more punishing.

On Vancouver Island, a seriously injured participant weighs the risks of seeking medical help and sacrificing his shot at $500,000.

Desperation sinks in as the hikers struggle to make the final push to their teammates.

The teams are reunited, they dive into the difficult task of surviving together.

As Vancouver Island is pummeled by torrential rains, the remaining teams scramble to avoid freezing flood waters.

The three remaining teams scramble for a long term advantage.

As freezing temperatures punish Vancouver Island, the remaining pairs all face game-changing scenarios.

The final teams grapple with an unbearable desire to tap out.

After a grueling finish, the top three teams of Alone's fourth season reunite to discuss their unique adventures and reveal never before seen moments.