Castaways hover on the 'Edge of Extinction' in an all-new twist, and four returning players attempt to bond with their new tribemates. Also, castaways tackle a giant puzzle in their first immunity challenge of the season.
The moon landing in 1969 was one of the greatest feats ever achieved by mankind, an epic journey by three legendary astronauts that tested the limits of human ingenuity. Or was it? In the years since, many theories have arisen that this achievement was faked in what would be one of the greatest hoaxes ever created. In this fascinating series, a team of experts and investigators interview key witnesses and look at all the evidence for both possibilities, to truly separate the facts from the fiction. 1. NASA Nazi Conspiracy 2. Fire in the Cockpit 3. Killing Armstrong 4. Conspiracy of the Lost Tapes
2013年是伦敦地铁150周年，伦敦地铁是世界上第一条地下铁路。为了庆祝地铁150周年，官方举办了很多活动，他们运来一辆蒸汽火车，让它重回铁轨沿着最古老的路线行驶；他们邀请皇室成员参观地铁的翻新工作…… 当然还有那些地铁发展的历史故事：为了缓解交通压力修建地铁的故事；地铁带动郊区房地产的发展；地铁站瓷砖的故事；地铁图纸的绘制；地铁海报的故事；还有令人痛心的地铁事故。
资深生存主义者尝试在荒凉、危险的环境中生存21天。为了争夺有限的食物、水和住所，男性和女性都必须挑战人类耐力的极限，同时还要避开对地盘敏感的食肉动物和充满毒液的爬行动物。因为别无选择，竞争者们很快就了解了彼此以及他们周围的环境，他们还希望自己的本能、生存技能和勇气能很好地为他们服务。
