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……
编剧: Jason Rothenberg
播出日期: 2020-05-20
运行时间: 41 min
概述: Clarke and her friends attempt to rebuild Sanctum as a new threat rises in the woods.
编剧: Jeff Vlaming
播出日期: 2020-05-27
运行时间: 42 min
概述: Echo and Gabriel learn more about Hope and her mysterious past.
编剧: Kim Shumway
播出日期: 2020-06-03
运行时间: 42 min
概述: Raven faces an unexpected threat. Clarke must keep the peace among opposing factions in Sanctum.
编剧: Sean Crouch
播出日期: 2020-06-10
运行时间: 42 min
概述: Mysterious outsiders arrive with news of Clarke's missing people.
编剧: Drew Lindo
播出日期: 2020-06-17
运行时间: 42 min
概述: Octavia gets to know a whole new world. Meanwhile, Murphy and Emori play make believe.
编剧: Erica Meredith
播出日期: 2020-06-24
运行时间: 42 min
概述: Clarke and her friends find themselves on a planet that is not what it seems.
编剧: Miranda Kwok
播出日期: 2020-07-01
运行时间: 41 min
概述: Emori tries to heal Sanctum's old familial wounds while Echo, Octavia and Diyoza struggle with new ones.
编剧: Jason Rothenberg
播出日期: 2020-07-08
运行时间: 41 min
概述: Clarke confronts a new adversary. A surprising connection takes us back to the past and to the nuclear apocalypse that destroyed the Earth.
编剧: Alyssa Clark
播出日期: 2020-07-15
运行时间: 41 min
概述: Murphy and Indra must defuse a tense situation. Old friends make new allegiances.
编剧: Nikki Goldwaser
播出日期: 2020-08-05
运行时间: 42 min
概述: Sheidheda makes his move. A Disciple goes rogue.
编剧: Jeff Vlaming
播出日期: 2020-08-12
运行时间: 42 min
概述: Where in the universe is Bellamy Blake?
编剧: Blythe Ann Johnson
播出日期: 2020-08-19
运行时间: 42 min
概述: It's a new day in Sanctum. Clarke, Octavia, Raven and Echo struggle with a new foe.
播出日期: 2020-09-09
运行时间: 41 min
概述: The red sun derails Clarke's plans.
编剧: Sean Crouch
播出日期: 2020-09-16
运行时间: 42 min
概述: Clarke and her friends reckon with all that has happened only to find an unexpected threat looming.
编剧: Kim Shumway
播出日期: 2020-09-23
运行时间: 42 min
概述: Clarke and Octavia mount a desperate rescue mission as the Disciples close in on what they want.
编剧: Jason Rothenberg
播出日期: 2020-09-30
运行时间: 43 min
概述: After all the fighting and loss, Clarke and her friends have reached the final battle. But is humanity worthy of something greater?
