The 100

In the season premiere, Clarke is still trapped, while the fate of Bellamy, Finn & Raven is still unknown. Meanwhile, the survivors of the Ark face a dangerous new world.

Clarke demands answers from President Wallace. Kane interrogates one of The 100, and Abby performs emergency surgery. Meanwhile, Octavia resorts to violence to find Lincoln.

Nothing is what it seems. When Clarke (ELIZA TAYLOR) discovers a horrifying project being carried out in Mount Weather's medical ward, she joins forces with an unlikely ally.

After being betrayed, Clarke takes matters into her own hands and proves she's not going down without a flight. Bellamy, Finn and Murphy race against time to save a stranger.

While Kane (HENRY IAN CUSICK) leads a mission to make peace with the Grounders, Lincoln (RICKY WHITTLE) enters a world of pain. And Finn's search for Clarke takes a violent turn.

Tensions run high between Clarke & Finn, while Octavia faces her worst nightmare. As Jasper & Monty discover the truth about Mt. Weather, Wallace is about to be betrayed.

Clarke comes up with a bold new plan to stop the Grounders' attack, leading Abby to a desperate decision. Meanwhile, Jasper & Monty question the motives of their new friends.

Clarke returns to Camp Jaha with devastating news. Finn struggles with the aftermath of his actions. Abby gathers information from an unlikely source and prepares for a fight.

Clarke strikes a deal with Lexa & Indra, while a seething Raven is unable to control her emotions. A move threatens to destroy the alliance between the Sky People & the Grounders.

Clarke and Lexa encounter a new enemy, while Bellamy and Lincoln team up to break into Mt. Weather. Meanwhile, Murphy helps Jaha confront his past, Indra makes Octavia an offer.

Bellamy and Lincoln's attempt to sneak into Mount Weather has brutal consequences, while Abby fights to stay in control as Clarke steps up in her new leadership role.

Tensions between Clarke and Abby come to a head after Clarke crosses the line. Raven helps Bellamy navigate Mount Weather, where things reach a breaking point.

Clarke begins to question Lexa's leadership decisions and Abby struggles to help an injured Kane. Meanwhile, at Mount Weather, Jasper steps up into the role of leader.

Before battle, Clarke & Lexa have a heated discussion. Desperate for help, Raven summons Wick. Jaha & Murphy encounter a perilous roadblock, while Bellamy's in a race against time.

While Clarke and Lexa prepare for battle, Octavia and Lincoln are forced to make a difficult decision in the first part of the epic two-part season finale

In the second part of the epic season finale, the journey to the City of Light continues. Clarke receives help from an unexpected source and Lincoln gets his revenge.