Seasons & episodes
S1 · E1Pilot 0.0 / 10 · 1 published rating 2014-03-19 · 42 min
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.
S1 · E2Earth Skills 2014-03-26 · 45 min
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.
S1 · E3Earth Kills 2014-04-02 · 43 min
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.
S1 · E4Murphy's Law 2014-04-09 · 40 min
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.
S1 · E5Twilight's Last Gleaming 2014-04-16 · 42 min
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.
S1 · E6His Sister's Keeper 2014-04-23 · 42 min
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.
S1 · E7Contents Under Pressure 2014-04-30 · 41 min
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.
S1 · E8Day Trip 2014-05-07 · 43 min
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.
S1 · E9Unity Day 2014-05-14 · 41 min
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.
S1 · E10I Am Become Death 2014-05-21 · 43 min
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.
S1 · E11The Calm 2014-05-28 · 43 min
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.
S1 · E12We Are Grounders (1) 2014-06-04 · 43 min
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.
S1 · E13We Are Grounders (2) 2014-06-11 · 42 min
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.
S2 · E1The 48 2014-10-22 · 43 min
Clarke is still on her own in the white room, frantically attempting to make sense of her bizarre surroundings. Lincoln and Octavia's plan is ruined and an enemy returns.
S2 · E2Inclement Weather 2014-10-29 · 43 min
Clarke wants answers from the President. Abby performs emergency surgery. Octavia will do anything to find Lincoln.
S2 · E3Reapercussions 2014-11-05 · 43 min
After discovering a horrifying project in Mount Weather's medical ward, Clarke joins forces with an unexpected ally.
S2 · E4Many Happy Returns 2014-11-12 · 41 min
Clarke ends up being betrayed by somebody that she trusted. Bellamy, Finn and Murphy attempt to save a stranger.
S2 · E5Human Trials 2014-11-19 · 43 min
Kane takes part in a mission to make peace with the Grounders. Jasper decides to take part in a risky experiment. Lincoln enters a world of pain and President Dante Wallace issues a warning.
S2 · E6Fog of War 2014-12-03 · 43 min
Tensions are running high between Clarke and Finn. Raven finds out that Mount Weather is interfering with their communication systems.
S2 · E7Long Into an Abyss 2014-12-10 · 43 min
Bellamy is able to get Clarke to agree to accompany him to the drop ship. Dr. Tsing is in charge of a deadly experiment.
S2 · E8Spacewalker 2014-12-17 · 43 min
Clarke comes back to Camp Jaha with some shocking news. Finn has to face the consequences of his actions.
S2 · E9Remember Me 2015-01-21 · 43 min
Lexa and Clarke manage to make a deal.The newly created alliance is under threat. Monty comes up with a plan.
S2 · E10Survival of the Fittest 2015-01-28 · 41 min
Lives are left in danger following the arrival of a new threat. Lincoln and Bellamy decide to break into Mount Weather.
S2 · E11Coup de Grâce 2015-02-04 · 41 min
Lincoln and Bellamy's efforts to get into Mount Weather has some brutal consequences.