Season 01
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Season 06
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.
All Episodes - S01
EPS01
Prisoners are sent down to Earth 97 years after humans had left the planet after a nuclear fall-out. They're sent from a space station where humans now live, but they do not have resources and supplies to live and survive in space station much longer. The 100 are therefore used in order to determine if Earth is habitable once more, the 100 must learn to adapt to their new surroundings quickly but factions begin to emerge amongst the 100 and not everyone is playing ball. Written by Andrew Skinner
EPS02
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.
EPS03
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. Written by Anonymous
EPS04
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.
EPS05
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. Written by Clinton Klein
EPS06
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.
EPS07
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.
EPS08
Octavia helps the grounder (Lincoln) who has feeling for her. Finn and Raven rekindle their relationship while Bellamy and Clarke look for an abandoned supply depot identified by the ARC. Dax is propositioned to kill Bellamy in exchange for a spot on the next drop ship for his mother. The 100 suffer from delusions due to a local dietary supplement (nuts). Dax is killed trying to complete his mission and the grounder (Lincoln) escapes captivity with the help of Octavia due to the 100's confusion from the nuts they ate. Written by Ronald J Desmarais
EPS09
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.
EPS10
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.
EPS11
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.
EPS12
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. Written by Anonymous
EPS13
Clarke pleads with Bellamy to do the right thing as conflict on the ground comes to a head. Bellamy forces Octavia to make a difficult decision. Raven and Jasper work against time and Finn makes a bold move. Meanwhile, the situation on the Ark comes to a stunning conclusion. Written by Rob