A seemingly simple mold inspection at S.T.A.R. Labs leads to unexpected time anomalies. Barry and Iris try to make sense of the confusion – and figure out how to get…

Clarke and her friends attempt to rebuild Sanctum as a new threat rises in the woods

Sanctum becomes a battleground between the devout and the non-believers. The mystery of the anomaly deepens.

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…

The burden of leading weighs heavily upon Clarke and Bellamy when different challenges force them to determine who will live and die.

Clarke finds hope in the most unlikely place. Meanwhile, Alie’s master plan comes together.

Alie forces Raven’s dark side to come out, and Jasper’s anger continues to grow. Meanwhile, Octavia wrestles with her place in the world, and Monty is forced to make a…

Clarke discovers the mastermind behind a devious plan. Kane struggles to keep the peace. Meanwhile, Jasper’s grief drives him to reckless behavior.

Kane takes part in a mission to make peace with the Grounders. Jasper decides to take part in a risky experiment. Lincoln enters a world of pain and President Dante…