Season pulse
Episodes
13 episodes
Echoes
Clarke and her friends struggle with how to proceed after the fate of the world is revealed.
Heavy Lies the Crown
The burden of leading weighs heavily upon Clarke and Bellamy when different challenges force them to determine who will live and die.
The Four Horsemen
Jaha leads Clarke and Bellamy down a road to possible salvation while tensions rise in Arkadia and Polis.
A Lie Guarded
Continued struggles with leadership and trust in Arkadia and Polis take violent turns while Abby leads a team to a distant location hoping to find answers.
The Tinder Box
Clarke makes a desperate plea with a former allied force in an attempt to avoid a war and ensure the survival of her people.
We Will Rise
Clarke and Roan are forced to work together when they are tasked to deliver a dangerous but crucial asset to Abby through enemy territories.
Gimme Shelter
Clarke's arrival on the island quickly takes a turn for the worse. Meanwhile, Bellamy tries to avoid further tragedy in Arkadia.
God Complex
After a disappointing discovery, Clarke and Abby question how far they're willing to go. Meanwhile, Jaha finds a lead to the mysterious Second Dawn.
DNR
Jasper and Bellamy go on a quest. Meanwhile, Clarke struggles to keep the peace after word of Jaha's discovery spreads.
Die All, Die Merrily
Octavia fights in the final battle for her people's survival, but not everyone is willing to play fair.
The Other Side
Clarke faces the consequences of her fateful choice.
The Chosen
Jaha and Kane disagree over how to handle their grim reality. Meanwhile, Clarke leads a group to save a friend.
Praimfaya
It's a race against the end of the world as Praimfaya arrives forcing our heroes to make impossible decisions to ensure their survival.