100 years in the future, when the Earth has been abandoned due to radioactivity, the last surviving humans live on an ark orbiting the planet — but the ark won't last forever. So the repressive regime picks 100 expendable juvenile delinquents to send down to Earth to see if the planet is still habitable.
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see all options Availability data: JustWatch
- Seasons
- 7
- Episodes aired
- 100
- Latest aired
- S07E16
- Total runtime
- 2d 21h
Timeline when each season aired
- Season 1 March 2014 – June 2014 13 episodes
- Season 2 October 2014 – March 2015 16 episodes
- Season 3 January 2016 – May 2016 16 episodes
- Season 4 February 2017 – May 2017 13 episodes
- Season 5 April 2018 – August 2018 13 episodes
- Season 6 April 2019 – August 2019 13 episodes
- Season 7 May 2020 – September 2020 16 episodes
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S01E01 Pilot
March 19 · 42min find the promo
Show synopsis
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.
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S01E02 Earth Skills
March 26 · 45min find the promo
Show synopsis
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.
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S01E03 Earth Kills
April 2 · 43min find the promo
Show synopsis
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.
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S01E04 Murphy's Law
April 9 · 40min find the promo
Show synopsis
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.
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S01E05 Twilight's Last Gleaming
April 16 · 42min find the promo
Show synopsis
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.
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S01E06 His Sister's Keeper
April 23 · 42min find the promo
Show synopsis
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.
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S01E07 Contents Under Pressure
April 30 · 41min find the promo
Show synopsis
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.
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S01E08 Day Trip
May 7 · 43min find the promo
Show synopsis
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.
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S01E09 Unity Day
May 14 · 41min find the promo
Show synopsis
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.
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S01E10 I Am Become Death
May 21 · 43min find the promo
Show synopsis
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.
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S01E11 The Calm
May 28 · 43min find the promo
Show synopsis
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.
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S01E12 We Are Grounders (1)
June 4 · 43min find the promo
Show synopsis
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.
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S01E13 We Are Grounders (2)
June 11 · 42min find the promo
Show synopsis
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.