在全球性的核战过后，仅存的人类躲入空间站方舟中苟延残喘。为了保存资源，控制人口，任何触犯法律的成年人都会被处以死刑。将近一百年后，空间站氧气即将耗尽，人类面临死神的威胁。为此，包括少女克拉克（Eliza Taylor-Cotter 饰）、总理之子威尔斯（Eli Goree 饰）在内的一百名少年犯被强制送往地球，他们即使危急关头的牺牲品，也是人类最后的希望。顺利抵达地球的年轻人急于摆脱方舟的束缚，克拉克则执意和几名同伴寻找供给，在此期间发现地球还有人类存在。另一方面，方舟内的政治局势波谲云诡，总理遇刺，代理总理凯恩（亨利·伊安·库斯克 Henry Ian Cusick 饰）蠢蠢欲动，人类的命运悬于一线……
播出日期: 2018-04-24
运行时间: 42 min
概述: Clarke struggles to survive on a desolate, scorched earth while her friends in space come across a long-awaited beacon of hope.
播出日期: 2018-05-01
运行时间: 42 min
概述: Octavia is forced to take guidance from an unlikely ally when the future of the bunker and all those inside it is jeopardized.
播出日期: 2018-05-08
运行时间: 43 min
概述: Bellamy leads the charge investigating a potential way home. Meanwhile, Clarke and Madi deal with the new, uncertain threat to their home.
播出日期: 2018-05-15
运行时间: 42 min
概述: Our Heroes are forced to rely on the help of Shallow Valley's dangerous new inhabitants in order to save some of their own, with surprising results.
播出日期: 2018-05-22
运行时间: 42 min
概述: Octavia leads her people towards Shallow Valley against the advice of Clarke and Bellamy. Meanwhile, Kane and Abby adjust to a new set of challenges.
播出日期: 2018-06-05
运行时间: 42 min
概述: Kane's attempt to prove himself useful tests Wonkru's allegiance to Octavia. Madi faces an unexpected threat inside Wonkru, forcing Clarke to make an unlikely ally.
播出日期: 2018-06-19
运行时间: 42 min
概述: Clarke and Bellamy make a startling discovery about Wonkru’s battle plans as Echo risks her friendship with Raven to complete her mission.
播出日期: 2018-06-26
运行时间: 42 min
概述: Clarke’s determination to protect Madi puts Bellamy in an impossible position.
播出日期: 2018-07-10
运行时间: 42 min
概述: The growing fractures in Wonkru threaten to explode once and for all. Meanwhile, in Shadow Valley, Murphy starts a fire, unleashing catastrophic results.
播出日期: 2018-07-17
运行时间: 42 min
概述: Monty strives to show Wonkru an alternative to war, and to the valley itself. Meanwhile, Abby’s health continues to deteriorate, along with McCreary’s patience.
播出日期: 2018-07-24
运行时间: 42 min
概述: As Clarke races to save Abby, she learns more about the trials and tribulations Wonkru faced in the bunker, and the impossible decisions they were forced to make in the dark year.
播出日期: 2018-07-31
运行时间: 42 min
概述: Octavia leads her people into war. While behind enemy lines, our heroes must overcome their differences to save Wonkru from extinction.
播出日期: 2018-08-07
运行时间: 42 min
概述: Clarke and her friends must risk everything to fight one last battle for survival, only to glimpse an even darker threat to the last living valley on Earth.
