As a new threat looms in the woods, Clarke and her friends decide to rebuild Sanctum.
Gabriel and Echo, find out more about the unknown past of Hope.
While Raven faces an unforeseen danger, Clarke has to ensure the peace in Sanctum between conflicting factions.
Strangers arrive with information on Clarke's missing folks.
Octavia is introduced to a totally different world. Murphy and Emori, decide to play make believe.
Clarke and her companions arrive on a planet that is not what it appears to be.
Sanctum's old familial wounds are being healed by Emori, while Echo, Octavia, and Diyoza are dealing with fresh ones.
Clarke is up against a new enemy. A startling link transports us to the past and the nuclear catastrophe that annihilated the planet.
A difficult situation demands Murphy and Indra to settle. In the meanwhile, old pals form new alliances.
Sheidheda takes the initiative. Meanwhile, one of the Disciples has gone renegade.
Bellamy Blake is nowhere to be found!
In Sanctum, it's a fresh day. A new opponent confronts Clarke, Octavia, Raven, and Echo.
Clarke's efforts are disrupted by the red sun.
Clarke and her companions try to make sense of all that has unfolded, only to be confronted with an unforeseen danger.
As the Disciples get closer to what they desire, Clarke and Octavia plan a desperate rescue attempt.
Clarke and her allies have arrived at the ultimate battle after much struggle and loss.