Watch The 100 Season 1 Online
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The battle between the grounders and the 100 begins.
Bellamy rescues Jasper while Finn and Clarke come upon a new enemy on The 100.
Kane risks his life while Raven makes Bellamy an offer that he can't refuse and Finn's life ends up in danger on The 100.
A virus strikes the camp and Murphy returns, saying he was being held by the Grounders on The 100.
Tragedy hits the ark as Finn and Clarke attempt to make peace with the Grounders on The 100.
Octavia attempts to help a friend escape while Bellamy and Clarke are on the hunt for supplies as winter nears on The 100.
Kane struggles with the guilt over the latest decision while Clarke and Raven make contact with the Ark on The 100.
Bellamy and the crew try to find Octavia while Raven realizes that Finn and Clarke have a connection on The 100.
After a blow to the head, Octavia awakens to find a Grounder watching over her while on the Ark, Abby outs Kane's plan to reduce the Ark's population on The 100.
After dealing with the loss of one of their own, Clarke and Finn grow closer as they try to communicate with the Ark on The 100.
Bellamy and his crew search for food while the hunt is on for antibiotics to treat Jaspers wounds on The 100.
Believing that Jasper may still be alive, a search-and-rescue mission is launched on The 100.
A group of young adults is sent down to Earth to see if it can be lived on again on the premiere of The 100.