97 years after a nuclear war, human kind is living in space. 100 juvenile delinquents are sent down to Earth to see i...

Discovering that Jasper may still be alive, Clarke, Bellamy, Finn, Wells and Murphy head out to find him. On the Ark,...

As a dangerous, acidic fog approaches, Clarke, Finn and Wells set out in search of a seaweed-like plant to make an an...

Bellamy, Clarke and Finn try to protect Charlotte when everyone learns she killed Wells. On the Ark, Abby risks getti...

A plan to contact the Ark is put in motion after Raven crash lands on Earth. Meanwhile, Abby exposes Kane's plan to r...

Bellamy, Finn and Jasper head into Grounder territory to search for Octavia, as flashbacks show the siblings' difficu...

While Bellamy tortures the Grounder, Raven and Clarke make contact with the Ark and ask Abby to help them save Finn. ...

Shumway secretly orders one of the 100 to kill Bellamy. Meanwhile, hallucinogenic nuts provide Octavia with an opport...

Finn arranges a meeting with Clarke and the leader of the Grounders in order to bring peace, however a sceptical Clar...

Murphy returns to the camp carrying a horrific virus created by the Grounders to weaken the camp. After learning the ...

Clarke and Finn are captured by Anya, who forces them to save the life of a victim of the explosion. Meanwhile, Raven...

Clarke and Finn come face to face with a new enemy after Lincoln rescues them from Anya, while Bellamy, Raven, Octavi...

As the remaining members of the 100 face off against the Grounders, Jaha makes a noble sacrifice to ensure the Ark ma...