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: 2014-03-19
运行时间: 42 min
概述: 97 years after a nuclear war, human kind is living in space. 100 juvenile delinquents are sent down to Earth to see if the planet is habitable.
播出日期: 2014-03-26
运行时间: 45 min
概述: Discovering that Jasper may still be alive, Clarke, Bellamy, Finn, Wells and Murphy head out to find him. On the Ark, Abby is determined to prove Earth is habitable, and enlists a mechanic to craft an escape pod.
播出日期: 2014-04-02
运行时间: 43 min
概述: As a dangerous, acidic fog approaches, Clarke, Finn and Wells set out in search of a seaweed-like plant to make an antibiotic poultice for Jasper's wounds, while a vulnerable young girl follows when Bellamy takes a group out hunting for food.
播出日期: 2014-04-09
运行时间: 40 min
概述: Bellamy, Clarke and Finn try to protect Charlotte when everyone learns she killed Wells. On the Ark, Abby risks getting floated in order to give Raven the chance to launch the escape pod.
播出日期: 2014-04-16
运行时间: 42 min
概述: A plan to contact the Ark is put in motion after Raven crash lands on Earth. Meanwhile, Abby exposes Kane's plan to reduce the population of the Ark.
播出日期: 2014-04-23
运行时间: 42 min
概述: Bellamy, Finn and Jasper head into Grounder territory to search for Octavia, as flashbacks show the siblings' difficult childhood on the Ark. Meanwhile, Raven finds out about Clarke and Finn.
播出日期: 2014-04-30
运行时间: 41 min
概述: While Bellamy tortures the Grounder, Raven and Clarke make contact with the Ark and ask Abby to help them save Finn. On the Ark, Kane deals with his guilt, and Jaha surprises the council with a shocking revelation.
播出日期: 2014-05-07
运行时间: 43 min
概述: Shumway secretly orders one of the 100 to kill Bellamy. Meanwhile, hallucinogenic nuts provide Octavia with an opportunity to help the Grounder escape the camp, and Bellamy and Clarke investigate a nearby underground depot, where they find military weapons.
播出日期: 2014-05-14
运行时间: 41 min
概述: Finn arranges a meeting with Clarke and the leader of the Grounders in order to bring peace, however a sceptical Clarke warns Bellamy, who along with Jasper and Raven follow them to the meeting with weapons. On the Ark, Diana takes over the exodus ship.
播出日期: 2014-05-21
运行时间: 43 min
概述: Murphy returns to the camp carrying a horrific virus created by the Grounders to weaken the camp. After learning the Grounders plan to attack the next day, Bellamy, Finn and Raven come up with a plan to delay them.
播出日期: 2014-05-28
运行时间: 43 min
概述: Clarke and Finn are captured by Anya, who forces them to save the life of a victim of the explosion. Meanwhile, Raven deals with her split from Finn, and Kane fights to save the Ark and it's survivors.
播出日期: 2014-06-04
运行时间: 43 min
概述: Clarke and Finn come face to face with a new enemy after Lincoln rescues them from Anya, while Bellamy, Raven, Octavia and Jasper deal with a vengeful Murphy. On the Ark, Jaha makes a plan to try and get to Earth.
播出日期: 2014-06-11
运行时间: 42 min
概述: As the remaining members of the 100 face off against the Grounders, Jaha makes a noble sacrifice to ensure the Ark makes it to Earth.
