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.
13 episodes in this season
E1
42m
Still reeling after receiving Monty’s message, a small group goes down to explore the mysterious new planet. Back on the Mothership, several members of Wonkru face the consequences of their decisions.
E2
42m
The team on the ground flights to survive the threat they face on the new planet. Meanwhile, Raven must join forces with an unlikely ally to save everyone on board the Mothership.
E3
42m
Clarke tries to win over the leaders of Sanctum in order to let her people stay. Meanwhile, Bellamy, Echo and Octavia discover a new threat while on a mission to retrieve the transport ship.
E4
42m
Clarke embraces the traditions of Sanctum and tries to make amends for her past actions.
E5
40m
Jordan investigates Sanctum. Meanwhile, Octavia and Diyoza discover the threats of the new planet firsthand. Lastly, Bellamy and Clarke butt heads.
E6
42m
Diyoza learns more about the mysterious Children of Gabriel while Abby continues searching for a way to save Kane.
E8
41m
Octavia and Diyoza make their way to the mysterious anomaly in search of the Old Man. Meanwhile, Murphy has an offer for Emori.
E9
42m
Bellamy must venture into enemy territory with an unlikely companion. Meanwhile, Octavia is forced to confront her past.
E10
42m
Russell seeks justice. Meanwhile, Gabriel must make a difficult choice. Lastly, the Blake siblings reunite.
E11
42m
Bellamy and Octavia must work together to save their friends. Echo is forced to face her past.
E12
42m
A special Naming Day changes everything in Sanctum. Gabriel comes face to face with an old friend.
E13
42m
Sanctum becomes a battleground between the devout and the non-believers. The mystery of the anomaly deepens.
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