「Alone」は、 ヒストリーチャンネルで放送されたアメリカのリアリティ番組シリーズである。 シーズン1、シーズン2、シーズン4は、ブリティッシュコロンビア州のバンクーバー島北部で撮影され、シーズン3はアルゼンチンのパタゴニアのナウエルウアピ国立公園近くで撮影された。 シーズン5はモンゴル北部が舞台。 シーズン6とシーズン7は、カナダのノースウェスト準州のグレートスレーブ湖の岸で撮影された。 10人（シーズン4では7組のチーム）が、限られたサバイバル装備を駆使して、荒野で可能な限り生き延びるための日々の奮闘を自伝的に追っていく。 参加者は医療チェックを除き、お互いに、そして他のすべての人から隔離される。参加者はいつでもギブアップしたり、医療チェックで不合格になった場合に失格にされたりすることがある。 最も長く残った参加者（シーズン4ではチーム）は50万ドルの賞金を獲得となる。

同シリーズは2015年6月18日にプレミア放送された。シーズン1の終了を前にした8月19日、カナダのバンクーバー島で2015年秋に制作を開始する第2シーズンに向けてシリーズがリニューアルされたことが発表された。シーズン2は2016年4月21日に初放送。シーズン3は2016年第2四半期にアルゼンチンのパタゴニアで撮影され、12月8日に初放送された。シーズン3のプレミアの前日、ヒストリーチャンネルはシーズン4のキャスティングが始まったことを発表した。シーズン4はバンクーバー島北部を舞台に、チームの活発的な動きで2017年6月8日に初公開。シーズン5はモンゴル北部を舞台に、過去のシーズンの敗者が復活できることになった。2018年6月14日に初演。2019年6月から始まったシーズン6では、31歳から55歳までの10人の新出場者が登場した。舞台は北極圏のすぐ南に位置するカナダ北西部準州の湖となった。

In January 2017, a Danish version of the series premiered with the name Alone in the Wilderness on DR3. It featured ten contestants and was filmed in northern Norway in the fall of 2016. Participants chose 12 items from a list of 18. Since this, three more seasons with Alone in the Wilderness have been produced.

In the fall of 2017, a Norwegian version aired with 10 contestants spread around a lake with fish. It was near the tree line, so the few, small, mostly birch trees left few land resources. The last contestant tapped out after a little more than a month.

The sixth season premiered on June 6, 2019.

A spin-off series, Alone: The Beast, premiered on January 30, 2020. In this series, three people attempt to survive in the Arctic for 30 days, with no tools or supplies except for their own clothing and a freshly killed animal (identified as a 1,000-pound male moose in the series premiere).

The seventh season premiered on June 11, 2020. Participants in this season are attempting to survive for 100 days in the Arctic wilderness in order to win $1 million.

ルール

通常ルール（すべてのシーズン） 
Contestants are dropped off in remote areas of Northern Vancouver Island (seasons 1-2,4), Patagonia (season 3), Northern Mongolia (season 5) and the shores of  the Great Slave Lake (seasons 6 and 7), far enough apart to ensure that they will not come in contact with one another. The process begins in mid to late autumn; this adds time pressure to the survival experience as the approaching winter causes temperatures to drop and food to become scarce. Although terrains may differ in each contestant's location, the drop-off zones are assessed in advance to ensure a similar distribution of local resources is available to each contestant.

Contestants each select 10 items of survival gear from a pre-approved list of 40, and are issued a kit of standard equipment, clothing and first aid/emergency supplies. They are also given a set of cameras to document their daily experiences and emotions. Attempting to live in the wild for as long as possible, the contestants must find food, build shelters, and endure extreme isolation and psychological distress.

Contestants who wish to withdraw from the competition for any reason (referred to as "tapping out") may signal a rescue crew using a provided satellite telephone. In addition, medical professionals conduct periodic health checks on the contestants and may, at their discretion, disqualify and evacuate anyone they feel is unable to continue participating safely. The last remaining contestant wins a $500,000 cash prize. Contestants are warned that the show might last for up to a year.

ペア方式 (シーズン4) 
Season 4 was also filmed in Northern Vancouver Island but included a team dynamic. Fourteen contestants, consisting of seven family-member pairs, were individually dropped off in remote areas of Northern Vancouver Island. The two members of each team chose 10 items of survival gear to be equally divided between them. The team chose one member to be taken to a campsite; the other began approximately  away and was required to hike to the site, using only a compass and bearing to find the way. If either member tapped out or was medically evacuated, his/her partner was disqualified as well. The last remaining team won the $500,000 prize.

シーズン5 
Season 5 contestants were selected from non-winning contestants from Seasons 1 through 4. The rules were otherwise similar to Seasons 1 through 3.

シーズン7 
For Season 7, the contestants attempt to survive for 100 days in order to win a grand prize of $1 million. A segment at the end of each episode ("Alone: Tales from the Arctic") has host Colby Donaldson talking post-season to the contestants featured in that episode about what occurred, accompanied by "never before seen footage."

反応 
The series received positive reviews in its first season and outstanding reviews for its third season, and earned a respectable 2.5 million total viewers, placing it in the top three new nonfictional cable series of 2015.

エピソード一覧

各シリーズの概要

シーズン1 
The first season premiered on June 18, 2015. It was won by Alan Kay, who lost over 60 pounds during the course of the season. His staple foods were limpets and seaweed. He also consumed mussels, crab, fish and slugs. Lucas Miller enjoyed his time on the show and was selected based on his work as a wilderness therapist. His most difficult experience with the show was making honest confessions to the camera. Sam Larson described his time on the show as "playing in the woods". He set a goal for himself to last 50 days. After he reached his goal, a large storm hit the island, which Larson described as being larger than any he had seen and prompting his decision to leave the island. Larson said that the loneliness and solitude took the most time to adjust to, and that his preparation for the show mostly consisted of mental preparation.

場所 
The season was shot in Quatsino Territory, located near Port Hardy, British Columbia.

Quatsino is a small hamlet of 91 people located on Quatsino Sound in Northern Vancouver Island, Canada, only accessible by boat or float plane. Its nearest neighbour is Coal Harbour, to the east, about 20 minutes away by boat, and Port Alice, to the south, about 40 minutes away by boat. The largest town in the region, Port Hardy, is located about an hour northeast by boat and vehicle.

参加者

シーズン2 
Season 2 began on April 21, 2016. The season had 13 one-hour episodes, including the reunion episode and the first "Episode 0", which shows how the 10 contestants (pared down from 20) from  are chosen based on survival skills (i.e. ability to make a fire without a starter, basic animal prep, shelter), on-camera personality, and how readily they learn the camera equipment. This was the first season to include women as well as men. The winner, David McIntyre, lost around 20 pounds in the first weeks alone. Mike Lowe made his time on Alone innovative and made a sink, boat, football game, and many more.

場所 
The second season was also set on Vancouver Island, in Quatsino Territory, located near Port Hardy, British Columbia.

参加者

シーズン3 
The third season premiered on December 8, 2016. The winner, Zachary Fowler, had lost 70 lbs (a third of his starting body weight) before the end of his stay. Season 3 marked the first time a contestant was pulled for medical reasons; the first was fourth place, Dave Nessia, who was pulled out when, due to inadequate caloric intake, his systolic pressure barely exceeded his diastolic pressure (80/60 mmHg), putting him in danger of death due to inadequate perfusion of the internal organs. He had been in starvation mode for so long, even though he left with 33 halves of dried fish still ready to eat, he was surviving with the thought of only eating half a fish every other day. The second, and the person who stayed the second-longest, Carleigh Fairchild, was pulled out because, at 101 lbs/45.8 kg, she had lost nearly 30% of her starting body weight and had a BMI of 16.8. Participants are automatically "pulled" at a BMI of 17 or less.

場所 
The third season was set in Patagonia, Argentina, in South America. The contestants were spread across multiple lakes in the foothills of the Andes mountain range. Unlike in seasons 1 and 2, which were located on the Pacific Ocean, season 3's food resources were mostly limited to brook and rainbow trout, forage, small birds, and the possibility of wild boar. Contestants also were at a disadvantage because they had no access to the flotsam and jetsam that washes up on the Pacific Coast. They also had no salt source.

The weather in Patagonia is comparable to that of Vancouver Island, with rainfall averaging 78 inches a year. However, unlike Vancouver Island, snowfall is extremely common in the winter.

Predators in Patagonia include wild boar and puma.

参加者

シーズン4 
Officially titled "Alone: Lost & Found", the fourth season premiered on June 8, 2017. For this season, for the first time participants were in pairs (2) of family members (brother/brother, husband/wife, father/son), with seven teams scattered throughout the island. The prize was still $500,000, which would be split between the two. One member was dropped in the traditional manner, along a beach head with the idea that they'd stay in the relative area for their duration, while the second member was dropped about 10 miles out with only a compass and bearing and needed to hike their way to base camp. Supply items were still limited to 10 chosen survival tools total, that were split between team members until reconnecting. If one member decided to tap out an any time, the partner was also eliminated. Three teams never met up before tapping out, and it took 8 days for the first team to come together. Interestingly, in every case it was the team member who started at the base site who initiated the tap out, even after meeting up with the hiker.

場所 
The fourth season was again set on Vancouver Island, in Quatsino Territory, located near Port Hardy, British Columbia. Teams were set further apart than normal this season, due to the 10 mile radius hike required to meet up at their rendezvous point.

参加者 

* hiking team member (other team member sets up camp)

† team member who tapped out

シーズン5 
Officially titled "Alone: Redemption", Season 5 premiered on June 14, 2018. The 10 contestants are non-winners selected from the previous 4 seasons of Alone.

場所 
The fifth season was set in Northern Mongolia in Asia. The series was filmed in Khonin Nuga near the city of Züünkharaa, Selenge aimag. "Khonin Nuga" is a valley located close to the Khentii Mountains of Northern Mongolia, one of the country's unique and still largely untouched places.

参加者

シーズン6 
Officially titled "Alone: The Arctic", Season 6 premiered on June 6, 2019.

場所 
Although subtitled "The Arctic", the sixth season is actually set along the shore of the east arm of Great Slave Lake in the Northwest Territories of Canada, about  south of the Arctic Circle and about  south of the arctic tree line.

参加者

シーズン7 
Officially titled "Alone: Million Dollar Challenge", Season 7 premiered on June 11, 2020. Unlike the previous seasons, to win the participants need to survive for 100 days on their own. At the end of each episode host Colby Donaldson lets the contestants comment on the episode which is accompanied by "never before seen footage."

場所 
The seventh season is again set along the shore of the east arm of Great Slave Lake in the Northwest Territories of Canada. Drop off (Day 1) was on September 18, 2019.

参加者

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