The 100

The 100: Set 97 years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends 100 juvenile delinquents back to Earth in hopes of possibly re-populating the planet.

97 years after a nuclear war, human kind is living in space. 100 juvenile delinquents are sent down to Earth to see if the planet is habitable.

Discovering that Jasper may still be alive, Clarke, Bellamy, Finn, Wells and Murphy head out to find him. ... On the Ark, Abby is determined to prove Earth is habitable, and enlists a mechanic to craft an escape pod.
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Clarke, Finn and Wells set out in search of an antibiotic to treat Jasper's wounds, when an acid fog forces them to seek shelter...and forgiveness for past crimes.

Bellamy, Clarke and Finn try to protect Charlotte when everyone learns she killed Wells. On the Ark, Abby risks getting floated in order to give Raven the chance to launch the escape pod.

After exposing Kane's plan to reduce the population of the Ark, Abby and Chancellor Jaha notice a signal from Earth and realize at least some of the 100 must still be alive.

Bellamy, Finn and Jasper head into Grounder territory to search for Octavia, as flashbacks show the siblings' difficult childhood on the Ark. ... Meanwhile, Raven finds out about Clarke and Finn.
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While Bellamy tortures the Grounder, Raven and Clarke make contact with the Ark and ask Abby to help them save Finn. ... On the Ark, Kane deals with his guilt, and Jaha surprises the council with a shocking revelation.
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Shumway secretly orders one of the 100 to kill Bellamy. Meanwhile, hallucinogenic nuts provide Octavia with an opportunity to help the Grounder escape the camp, and Bellamy and Clarke investigate a nearby underground depot, where they find military weapons.

Finn arranges a meeting with Clarke and the leader of the Grounders in order to bring peace, however a sceptical Clarke warns Bellamy, who along with Jasper and Raven follow them to the meeting with weapons. ... On the Ark, Diana takes over the exodus ship.
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Murphy returns to the camp carrying a horrific virus created by the Grounders to weaken the camp. After learning the Grounders plan to attack the next day, Bellamy, Finn and Raven come up with a plan to delay them.

Clarke and Finn are captured by Anya, who forces them to save the life of a victim of the explosion. Meanwhile, Raven deals with her split from Finn, and Kane fights to save the Ark and it's survivors.

Should they stay or should they go? Those remaining o the Ark must come to terms with the inevitable. ... Meanwhile, Clarke and Finn find themselves facing a new enemy.
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As the remaining members of the 100 face off against the Grounders, Jaha makes a noble sacrifice to ensure the Ark makes it to Earth.

The 100: Ninety-seven years ago, nuclear Armageddon decimated planet Earth, destroying civilization. The only survivors were the 400 inhabitants of 12 international space stations that were in orbit at the time. ... Three generations have been born in space, the survivors now number 4,000, and resources are running out on their dying "Ark" - the 12 stations now linked together and repurposed to keep the survivors alive. Draconian measures including capital punishment and population control are the order of the day, as the leaders of the Ark take ruthless steps to ensure their future, including secretly exiling a group of 100 juvenile prisoners to the Earth's surface to test whether it's habitable.
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The 100: Set 97 years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends 100 juvenile delinquents back to Earth in hopes of possibly re-populating the planet.

While Clarke struggles to make sense of her bizarre surroundings, Lincoln risks his life to save Octavia, and Kane establishes his authority.

Clarke demands answers from President Wallace, Abby performs emergency surgery on Raven, and Octavia resorts to violence to find Lincoln.

Clarke and Anya join forces to escape Mount Weather. Kane issues an order to have Abby brutally punished. ... Octavia searches for Lincoln.
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Clarke faces betrayal. Meanwhile, Bellamy, Finn, Murphy, Sterling and Monroe race against time to save a survivor of the Ark crash, and Raven struggles to cope with her paralysis.

While Kane leads a mission to make peace with the Grounders, Jasper agrees to participate in a risky experiment, and Finn's search for Clarke takes a violent turn.

Tensions run high between Clarke and Finn, and Raven discovers that Mount Weather is interfering with Camp Jaha's communication systems. ... Meanwhile, Jasper and Monty discover the truth about what's going on at Mount Weather.
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As Abby and Jaha each try to establish their authority, Clarke comes up with a plan to stop the Grounders' attack. ... At Mount Weather, Jasper, Monty, Miller and Harper plan their escape, as Dr. Tsing and Cage conduct deadly experiments.
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Camp Jaha butt heads over what to do with Finn, as flashbacks show his and Raven's relationship on the Ark.

The alliance between Camp Jaha and the Grounders is jeopardized when Gustus is poisoned. Meanwhile at Mount Weather, Monty lands himself in hot water.

Clarke and Lexa encounter a new enemy. Bellamy and Lincoln work together to break into Mount Weather. ... Murphy helps Jaha confront his past. Indra makes Octavia an offer she can't refuse.
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Bellamy receives help from an unlikely source after being captured. Meanwhile, Abby fights to stay in control, and Jasper confronts President Wallace.

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 their journey to the City of Light.

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 a life threatening situation.

As Jaha and Murphy encounter a perilous obstacle on their journey, Raven and Wick try to figure out how to disable the acid fog, and Bellamy races against time as his cover is blown.

As the Grounder army prepare to attack Mount Weather, a desperate Cage turns to Dante for help, and Raven and Wick experience a major setback.

After being betrayed by Lexa, Clarke makes a final stand against Mount Weather, while Jaha shocks Murphy as they continue their journey to the City of Light.

The 100: Set 97 years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends 100 juvenile delinquents back to Earth in hopes of possibly re-populating the planet.

After leaving Camp Arkadia due to her inability to accept her actions, Clarke sets out on her own, dealing with her emotions while encountering new challenges. ... Camp Arkadia begins to see political turmoil as the hunger for power mounts.
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Bellamy and Kane put their lives on the line to rescue Clarke; Abby considers opening Mount Weather as a medical facility; Murphy schemes against Jaha.

Clarke wrestles with a decision. Bellamy learns that something isn't what it seems. Meanwhile, Murphy plots to betray his former Chancellor.

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

Pike's twisted crusade threatens Clarke's attempts for peace. Raven becomes a target, while Murphy tries to conspire against Jaha.

Clarke struggles with her morality while Abby grows suspicious of Jaha's motives.

Anger and lust for vengeance and justice from the clans threatens Lexa's position. Murphy unveils new secrets about the identity of Polis. ... Meanwhile, a dangerous coup brews against Clarke and Lexa and their trust for each other is tested.
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Kane tries to stop Pike, but he learns that he is onto him. Kane realizes that for him to ensure peace in Arkadia, he'll have to go through drastic measures.

Bellamy tries to save Kane from Pike. Clarke and Murphy debate over what to do with Titus and the A.I. ... Bellamy confronts Octavia.
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Jaha employs a terrifying new method to convince Abby to join his cause, Kane is on a mission, and Bellamy is hit with a hard truth. ... Meanwhile, Monty finds himself in a precarious situation, and Jasper rushes to save one of his own.
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Clarke and her friends try to save Raven from Alie's control. However, they realize that they will have to undergo dangerous procedures that may cost Raven's life.

Jaha returns to Polis, and Murphy has a surprise encounter. Meanwhile, Octavia uncovers a clue.

Clarke is on a mission that could change everything. Meanwhile Murphy gains insight that might prove useful in ensuring his survival. ... Lastly Kane reaches a breaking point.
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Clarke, Bellamy, Octavia and Jasper hit a tragic roadblock. Meanwhile, Raven and Monty make an important discovery.

Clarke finds hope in a place she never expected. Alie's master plan begins to coalesce.

In the second half of the two-part season finale, everyone prepares for a final showdown as they begin to face the reality of their tragic situation in the epic and mind-bending conclusion.

In the aftermath of the chaos done by ALLIE, Clarke struggles with the decision over telling the world of the impending nuclear apocalypse. ... The Grounders struggle with each other and Echo uses the chaos as a chance to declare war on the Sky People.
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The burden of leading weighs heavily upon Bellamy (Bob Morley) and Clarke (Eliza Taylor) when different challenges force them to determine who will live and die.

Jaha leads Clarke and Bellamy on a road to possible salvation, while tensions rise in Arkadia and Polis.

Clarke's decision on who gets to live causes tension in Arcadia. Jasper loses his sanity when the Black Rain falls. ... Bellamy and his friends face judgement for their crimes against the Ice Nation.
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Clarke pleads with a former allied force to avoid a war and ensure her people's survival.

Clarke and Roan are forced to work together when they are tasked to deliver a dangerous but crucial asset to Abby through enemy territories.

Clarke's arrival on the island quickly takes a turn for the worse. Meanwhile, Bellamy tries to avoid further tragedy in Arkadia.

The 100: Set 97 years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends 100 juvenile delinquents back to Earth in hopes of possibly re-populating the planet.

The 100: Set 97 years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends 100 juvenile delinquents back to Earth in hopes of possibly re-populating the planet.

The 100: Set 97 years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends 100 juvenile delinquents back to Earth in hopes of possibly re-populating the planet.

The 100: Set 97 years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends 100 juvenile delinquents back to Earth in hopes of possibly re-populating the planet.

The 100: Set 97 years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends 100 juvenile delinquents back to Earth in hopes of possibly re-populating the planet.

The 100: Set 97 years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends 100 juvenile delinquents back to Earth in hopes of possibly re-populating the planet.

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

Octavia is forced to take guidance from an unlikely ally when the future of the bunker and all those inside it is jeopardized.

Bellamy leads the charge investigating a potential way home. Meanwhile, Clarke and Madi deal with the new, uncertain threat to their home.

Our heroes are forced to rely on the help of Shallow Valley's dangerous new inhabitants in order to save some of their own, with surprising results.

Octavia leads her people towards Shallow Valley against the advice of Clarke and Bellamy. Meanwhile, Kane and Abby adjust to a new set of challenges.

Kane's attempt to prove himself useful tests Wonkru's allegiance to Octavia. Madi faces an unexpected threat inside Wonkru, forcing Clarke to make an unlikely ally.

Clarke and Bellamy make a startling discovery about Wonkru's battle plans as Echo risks her friendship with Raven to complete her mission.

Clarke's determination to protect Madi puts Bellamy in an impossible position.

The growing fractures in Wonkru threaten to explode once and for all. Meanwhile, in Shadow Valley, Murphy starts a fire, unleashing catastrophic results.

Monty strives to show Wonkru an alternative to war, and to the valley itself. Meanwhile, Abby's health continues to deteriorate, along with McCreary's patience.

As Clarke races to save Abby, she learns more about the trials and tribulations Wonkru faced in the bunker, and the impossible decisions they were forced to make in the dark year.

In part one of the fifth season finale, Octavia leads her people into war. While behind enemy lines, our heroes must overcome their differences to save Wonkru from extinction.

Clarke tries to win over the leaders of Sanctum in order to let her people stay. Meanwhile, Bellamy, Echo and Octavia discover a new threat while on a mission to retrieve the transport ship.

Clarke embraces the traditions of Sanctum and tries to make amends for her past actions.

Jordan investigates Sanctum. Meanwhile, Octavia and Diyoza discover the threats of the new planet firsthand. ... Lastly, Bellamy and Clarke butt heads.
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Diyoza learns more about the mysterious Children of Gabriel while Abby continues searching for a way to save Kane.

Clarke's past catches up to her.

Octavia and Diyoza make their way to the mysterious anomaly in search of the Old Man. Meanwhile, Murphy has an offer for Emori.

Bellamy must venture into enemy territory with an unlikely companion. Meanwhile, Octavia is forced to confront her past.

Russell seeks justice. Meanwhile, Gabriel must make a difficult choice. Lastly, the Blake siblings reunite.

Bellamy and Octavia must work together to save their friends. Echo is forced to face her past.

A special Naming Day changes everything in Sanctum. Gabriel comes face to face with an old friend.

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

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

Echo and Gabriel learn more about Hope and her mysterious past.

As Raven faces an unexpected threat, Clarke must keep the peace among opposing factions in Sanctum.

Mysterious outsiders arrive with news of Clarke's missing people.

Octavia gets to know a whole new world. Meanwhile, Murphy and Emori play make believe.

Clarke and her friends find themselves on a planet that is not what it seems.

Emori tries to heal Sanctum's old familial wounds while Echo, Octavia and Diyoza struggle with new ones.

Clarke confronts a new adversary. A surprising connection takes us back to the past and the nuclear apocalypse that destroyed the Earth.

Murphy and Indra must defuse a tense situation. Meanwhile, old friends make new allegiances.

Sheidheda makes his move. Meanwhile, a Disciple goes rogue.

Where in the universe is Bellamy Blake?

It's a new day in Sanctum. Clarke, Octavia, Raven and Echo struggle with a new foe.

The red sun derails Clarke's plans.

Clarke and her friends reckon with all that has happened only to find an unexpected threat looming.

Clarke and Octavia mount a desperate rescue mission as the Disciples close in on what they want.

After all the fighting and loss, Clarke and her friends have reached the final battle. But is humanity worthy of something greater?