The 100 S05E01 – Clarke struggles to survive on a desolate, scorched earth while her friends in space come across a long-awaited beacon of hope.

It’s a race against the end of the world as Praimfaya arrives forcing our heroes to make impossible decisions to ensure their survival.

Jaha makes a surprising move. Clarke gets help from an unexpected source. Lincoln seeks revenge.

Wick and Raven are faced with a setback. Maya and Jasper witness a terrible act.

Lexa and Clarke get into a heated discussion during battle preparations; Bellamy races against time.

Clarke begins to question Lexa’s leadership decisions and Indra continues to push Octavia. Meanwhile, at Mount Weather, Jasper steps up into the role of leader, and Cage throws Maya into…

Clarke is faced with a difficult choice and Raven helps Bellamy navigate Mount Weather as Dr. Tsing begins to harvest the 47, while Jaha and Murphy encounter a stranger on…

Lincoln and Bellamy’s efforts to get into Mount Weather has some brutal consequences.

Lives are left in danger following the arrival of a new threat. Lincoln and Bellamy decide to break into Mount Weather.

Lexa and Clarke manage to make a deal.The newly created alliance is under threat. Monty comes up with a plan.

Clarke comes back to Camp Jaha with some shocking news. Finn has to face the consequences of his actions.

Bellamy is able to get Clarke to agree to accompany him to the drop ship. Dr. Tsing is in charge of a deadly experiment.

After discovering a horrifying project in Mount Weather’s medical ward, Clarke joins forces with an unexpected ally.

Clarke wants answers from the President. Abby performs emergency surgery. Octavia will do anything to find Lincoln.