With the competition in its final stage, only one survivalist's resolve can secure them the $500,000 prize. As the temperature dips well below freezing, the river stops paying dividends. The three participants are forced to weigh tapping out versus a lifetime of regret.

The final three survivalists continue to battle weight loss, extreme temperatures, and predators to remain in the fight for the $500,000 prize. The punishing cold makes getting food harder than ever before and a devastating catastrophe causes one participant to lose everything. The remaining survivalists push on, but in the end, only one is able to conquer the Arctic and emerge victorious.

With only three survivalists left, the million-dollar challenge comes to an end. The participants face off against below zero temperatures, injury and their own mental demons as they fight to make it to day 100 and win the million-dollar prize.

After some of the participants are raided by predators, they scramble to protect their hard-won food. Winter moves in, bringing with it new opportunities for those who are prepared, and new threats for those who aren't.

As the participants march deeper into winter, it becomes increasingly difficult to procure food. One participant gets a lucky break, but soon discovers things aren't what they seem. Another attempts to do battle with his own mental demons while another's time in the Arctic comes to an explosive finish.

As the river finally begins to freeze, the remaining survivalists struggle with the loss of daylight. One participant's snare line gets stalked by a vicious predator, while another devises a plan to defeat a longstanding enemy.

While most of the participants pursue smaller, more consistent food sources, one survivalist finally has the chance to take down big game; he soon finds himself attracting unwanted attention from predators.

Icy rocks and unpredictable waters force the remaining participants to decide if their desperate need for fat is worth taking dangerous risks. One participant is faced with a deadly predator threat and braces to fight for his life.

With only four people remaining, food insecurity reaches an all-time high. One participant's prized harvest is pilfered, while another survivalist battles a debilitating sickness brought on by an unfortunate source.

One survivalist rushes to prevent their shot at a million dollars from going up in smoke. Another struggles to complete their shelter in time for winter, while another must defend their territory from an unwelcome visitor.

In Alone's most remote location, ten new survivalists must survive north of the Arctic Circle as they face the cold and dwindling sun for a chance to win $500,000. While the participants prepare for frigid temperatures and dangerous predators, the Mackenzie River Delta begins to test each survivalist. With signs of grizzly bears and wolves all around, one survivalist learns the biggest danger could be himself.

Extreme isolation takes its toll on the remaining participants in the wild. Each man’s battle turns to the mind as well as the elements.

The final remaining participants face the onslaught of Mongolia’s brutal winter. Relentless hunger and savage cold test them like never before and in the end, only one will walk away with the $500,000 prize.

As temperatures drop to the lowest point yet, the lake freezes, cutting off resources and threatening the safety of the survivalists. Each participant's grit and resourcefulness is tested by the unrelenting cold, causing one survivalist to hit their breaking point much sooner than expected.

As they enter the second week of the competition, the participants focus on securing a food source that can last them 100 days. Many focus on fishing, another puts himself in a dangerous position to keep his food safe -- with disastrous consequences.

Faced with choppy waters and brazen predators, the participants must shift strategies or starve. One sets his sights on big game.

Local predators continue harassing the participants and they must adapt and innovate if they hope to survive. One is forced to make a hard decision when an unexpected catch turns up.

The remaining three participants continue to battle Labrador's harsh snowstorms and below-freezing temperatures. As their minds and bodies are pushed to the limit, they struggle more than ever before.

The Arctic's frozen landscape continues to push the remaining survivalists to the brink. One participant finds themselves at-risk for frostbite, while another is convinced the end days are near.

Participants begin successfully procuring food but still find themselves vulnerable to the Arctic's many dangers. A sudden illness attacks one participant, while another is tormented by a tiny invader.

With only 3 left in the competition, the participants struggle to claim the $500,000 prize. While some continue to deal with the mental game, a new predator threatens a survivalist's longevity.

The three remaining survivalists brace themselves for the fight to the finish. One participant finds it impossible to stay warm, while others risk it all on the ice. Though they all push themselves to their limits, only one can claim the $500,000 prize.

As the season begins to change, one participant is forced to take on a massive and risky project. Meanwhile, a pack of wolves interrupts the tranquility of the Arctic night and spells trouble for one survivalist.

The remaining survivalists push themselves to their physical limits as fish becomes scarce. But one participant takes it too far, reaching the breaking point and risking organ failure.

The seven remaining survivalists are pushed to their limits as the weather worsens in Mongolia; one participant turns to tree bark for sustenance, another questions his ability to kill for food, and one faces a predator lurking in the darkness.