The 100 Episode Guide

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TV Show: The 100

2014

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Episode List
Wednesdays at 9:00 PM on The CW
Genres Drama Science-Fiction Suspense Thriller
Based on the books by Kass Morgan, this show takes place 100 years in the future, when the Earth has been abandoned due to radioactivity. The last surviving humans live on an ark orbiting the planet — but the ark won't last forever. So the repressive regime picks 100 expendable juvenile delinquents to send down to Earth to see if the planet is still habitable.
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The 100 episode list

Season 1 Episode List

1x1 Pilot aired: Wednesday Mar 19, 2014
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." Among the 100 young exiles are Clarke, the bright teenage daughter of the Ark's chief medical officer; the daredevil Finn; the brother/sister duo of Bellamy and Octavia, whose illegal sibling status has always led them to flaunt the rules, the lighthearted Jasper and the resourceful Monty. Technologically blind to what's happening on the planet below them, the Ark's leaders — Clarke's widowed mother, Abby; Chancellor Jaha; and his shadowy second in command, Kane — are faced with difficult decisions about life, death and the continued existence of the human race.
1x2 Earth Skills aired: Wednesday Mar 26, 2014
Having discovered that Jasper may still be alive, Clarke, Bellamy, Octavia, Finn and Monty set out on a mission to locate their friend and are shocked at what they find. Meanwhile, on the Ark, Abby is determined to get to Earth, and enlists Raven to craft an escape pod.
1x3 Earth Kills aired: Wednesday Apr 2, 2014
In a desperate attempt to treat Jasper's festering wounds, Clarke, Finn and Wells set out in search of a seaweed antibiotic. Bellamy and his crew go hunting for food, and are joined by Charlotte, a lovable 13-year-old, who feels safe under Bellamy's protection. A thick, acidic fog appears, forcing Clarke, Finn and Wells to seek shelter inside an ancient van. While they are trapped, Clarke confronts Wells on his betrayal that resulted in her father's death.
1x4 Murphy's Law aired: Wednesday Apr 9, 2014
After the shocking death of one of their own, Clarke and Finn grow closer as they try to figure out a way to communicate with the Ark. Bellamy must keep the group from turning on one another as life on Earth takes a desperate turn. Meanwhile, Abby risks having herself floated in order to give Raven the chance to stow-away in the escape pod bound for Earth.
1x5 Twilight's Last Gleaming aired: Wednesday Apr 16, 2014
Clarke's newfound romance with Finn is threatened. Octavia suffers a blow to the head and wakes up to find a Grounder watching her. On the Ark, Abby exposes Kane's plan to reduce the population of the Ark. Jaha and Abby notice a signal and realize at least some of the 100 must still be alive on Earth.
1x6 His Sister's Keeper aired: Wednesday Apr 23, 2014
Bellamy leads his crew into Grounder territory as they search for Octavia. Raven can't help but notice the deep connection between Finn and Clarke. Meanwhile, flashbacks reveal Bellamy's and Octavia's childhood on the Ark.
1x7 Contents Under Pressure aired: Wednesday Apr 30, 2014
Clarke and Raven make contact with the Ark, and Abby guides Clarke through a dangerous procedure in a desperate move to save one of their own. Meanwhile, on the Ark, Abby is removed from the council, and former Chancellor Diana Sydney takes her place. Jaha reveals to Abby that there are not enough drop ships for everyone on the Ark to go down to Earth, and Kane begins to deal with his guilt over his recent decision.
1x8 Day Trip aired: Wednesday May 7, 2014
Clarke and Bellamy go on a mission to find supplies for approaching winter. Some of the 100 accidentally eat nuts with powerfully hallucinogenic properties and lose their grasp on reality. Meanwhile, Octavia seizes the opportunity to help a friend escape, and a terrifying event brings Clarke and Bellamy closer. On the Ark, Commander Shumway secretly assigns one of the 100 to kill one of his own, and the treacherous actions of Diane Sydney are revealed.
1x9 Unity Day aired: Wednesday May 14, 2014
Clarke and Finn attempt to broker peace with the Grounders but all hell breaks loose when Bellamy, Jasper and Raven show up armed and ready for battle. Octavia and Lincoln grow closer. Meanwhile, tragedy strikes during the Unity Day celebration on the Ark.
1x10 I Am Become Death aired: Wednesday May 21, 2014
Murphy returns to camp claiming to have been held captive and tortured by the Grounders, and Clarke and Bellamy have very different opinions on how to handle his return. Octavia sneaks away to find Lincoln and returns with a serious warning for the 100. Meanwhile, a mysterious virus strikes camp forcing many to be quarantined, and Jasper pulls off a heroic move.
1x11 The Calm aired: Wednesday May 28, 2014
With a low food supply at camp, Clarke and Finn lead a group out to hunt for food and wind up in a compromising position. With Finn's life in danger, Clarke makes a game-changing decision. Meanwhile, Raven makes Bellamy an offer he can't refuse. On the Ark – Kane risks his life and is reunited with Chancellor Jaha and Abby.
1x12 We Are Grounders (1) aired: Wednesday Jun 4, 2014
Clarke and Finn escape one dangerous situation only to find themselves faced with a new enemy. Bellamy makes a heroic move to save Jasper. Raven faces a new danger, and Murphy finally gets his revenge. Meanwhile, those remaining on the Ark are coming to terms with the inevitable.
1x13 We Are Grounders (2) aired: Wednesday Jun 11, 2014
Clarke pleads with Bellamy to do the right thing as conflict on the ground comes to a head. Bellamy forces Octavia to make a difficult decision. Raven and Jasper work against time and Finn makes a bold move. Meanwhile, the situation on the Ark comes to a stunning conclusion.

Season 2 Episode List

2x1 The 48 aired: Wednesday Oct 22, 2014
Clarke is still alone in the white room, frantically trying to make sense of her bizarre surroundings, while the fate of Bellamy, Finn and Raven is still unknown. Lincoln and Octavia's daring plan is thwarted and an enemy returns. Meanwhile, Abby, Kane and the survivors of the Ark must face physical and moral dilemmas in their dangerous and beautiful new world. Finally, Jaha makes a heroic decision.
2x2 Inclement Weather aired: Wednesday Oct 29, 2014
A suspicious Clarke confronts President Dante Wallace and demands answers. Kane interrogates one of The 100, and Abby performs emergency surgery. Meanwhile, Octavia resorts to violence to find Lincoln.
2x3 Reapercussions aired: Wednesday Nov 5, 2014
When Clarke discovers a horrifying project being carried out in Mount Weather's medical ward, she joins forces with an unlikely ally. After Abby confesses to committing a crime, Kane issues an order to have her brutally punished. Meanwhile, Monty warns a distracted Jasper that Clarke could be in trouble, and Octavia continues to fight for Lincoln.
2x4 Many Happy Returns aired: Wednesday Nov 12, 2014
After being betrayed by someone she thought she could trust, 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. Meanwhile, tensions rise between Raven and Wick while working together, and an unexpected reunion occurs.
2x5 Human Trials aired: Wednesday Nov 19, 2014
Kane leads a mission to make peace with the Grounders. Meanwhile, Jasper agrees to participate in a risky experiment, Lincoln enters a world of pain and President Dante Wallace issues a warning. Finally, Finn's search for Clarke takes a violent turn.
2x6 Fog of War aired: Wednesday Dec 3, 2014
Tensions run high between Clarke and Finn, while Raven discovers that Mount Weather is interfering with their communication systems. Meanwhile, Jasper and Monty discover the truth about what's going on at Mount Weather and Octavia comes face-to-face with her worst nightmare. Finally, President Dante Wallace is about to be betrayed by those closest to him.
2x7 Long Into an Abyss aired: Wednesday Dec 10, 2014
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.
2x8 Spacewalker aired: Wednesday Dec 17, 2014
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. Meanwhile, flashbacks reveal Finn and Raven's relationship on the Ark.
2x9 Remember Me aired: Wednesday Jan 21, 2015
Clarke strikes a deal with Lexa and Indra. Abby and Kane begin to realize that decision making powers are out of their hands. A seething Raven is unable to control her emotions. A bold move threatens to destroy the newly formed alliance between the sky people and the Grounders, and a familiar face haunts Clarke. Meanwhile, back at Mount Weather, Monty comes up with a risky plan.
2x10 Survival of the Fittest aired: Wednesday Jan 28, 2015
Lives are at risk as Clarke and Lexa encounter a new enemy. Bellamy and Lincoln agree to work together to break into Mount Weather. Murphy helps Jaha confront his past. Meanwhile, Indra makes Octavia an offer she can't refuse.
2x11 Coup de Grâce aired: Wednesday Feb 4, 2015
Bellamy and Lincoln's attempt to sneak into Mount Weather has brutal consequences. Abby fights to stay in control as Clarke steps up in her new leadership role. Meanwhile, with Monty and Harper still missing, a desperate Jasper confronts President Wallace and demands answers.
2x12 Rubicon aired: Wednesday Feb 11, 2015
Tensions between Clarke and Abby come to a head after Clarke crosses the line. Raven helps Bellamy navigate Mount Weather. Jaha and Murphy encounter a stranger who may not be what she seems. Octavia is prepared to fight for someone she loves. Meanwhile, things reach a breaking point at Mount Weather.
2x13 Resurrection aired: Wednesday Feb 18, 2015
Clarke begins to question Lexa's leadership decisions. Abby struggles to help an injured Kane. 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.
2x14 Bodyguard of Lies aired: Wednesday Feb 25, 2015
While preparing for battle, Clarke and Lexa have a heated discussion. Desperate for help, Raven has Wick summoned to the engineering room. Jaha and Murphy encounter a perilous roadblock. Meanwhile, at Mount Weather, Bellamy is in a race against time.
2x15 Blood Must Have Blood (1) aired: Wednesday Mar 4, 2015
Clarke and Lexa prepare for battle, while Raven and Wick experience a major setback. Meanwhile, Octavia and Lincoln are each forced to make a difficult decision. At Mount Weather, Jasper and Maya witness a horrible act, Bellamy follows through on a promise and Cage goes public with powerful information.
2x16 Blood Must Have Blood (2) aired: Wednesday Mar 11, 2015
The journey to the City of Light continues, and Jaha makes a move that shocks Murphy. Clarke receives help from an unexpected source, a visitor surprises Octavia, and Lincoln gets his revenge. Meanwhile, at Mount Weather, Cage moves forward with his mission and Bellamy and the group struggle to break free.

Season 3 Episode List

3x1 Wanheda (1) aired: Thursday Jan 21, 2016
Three months have passed since the tragedy at Mount Weather and our heroes learn that a bounty has been put on Clarke's head. Unbeknownst to Clarke, a team led by Bellamy and Kane journeys deep into Grounder territory to save her. Meanwhile, Murphy finds his way to the mansion and discovers a very different Jaha on a very different mission.
3x2 Wanheda (2) aired: Thursday Jan 28, 2016
Bellamy and Kane risk life and limb to rescue Clarke. In an attempt to avoid worrying about her daughter, Abby focuses on whether to open Mount Weather as a medical facility. Murphy plots to betray his former Chancellor.
3x3 Ye Who Enter Here aired: Thursday Feb 4, 2016
Clarke wrestles with a decision. Bellamy learns that something isn't what it seems. Murphy plots to betray his former Chancellor.
3x4 Watch the Thrones aired: Thursday Feb 11, 2016
Clarke discovers the mastermind behind a devious plan. Kane struggles to keep the peace. Meanwhile, Jasper's grief drives him to reckless behavior.
3x5 Hakeldama aired: Thursday Feb 18, 2016
Pike's twisted crusade threatens Clarke's attempts for peace. Raven becomes a target. Murphy tries to conspire against Jaha.
3x6 Bitter Harvest aired: Thursday Feb 25, 2016
Clarke is torn between vengeance and mercy. Kane and Octavia work together to avert a disaster. Abby continues to worry about Raven.
3x7 Thirteen aired: Thursday Mar 3, 2016
Lexa tries to maintain peace and order within the clans. Clarke uncovers a strange and game-changing truth. A flashback takes us into the darker chapter of humanity's past.
3x8 Terms and Conditions aired: Thursday Mar 10, 2016
Kane searches for a peaceful way to handle things but soon realizes he may be forced to resort to drastic measures. Pike suspects that there may be a leak within the walls of Arkadia. Raven has a plan and reaches out to Jasper for help.
3x9 Stealing Fire aired: Thursday Mar 31, 2016
Clarke discovers a shocking truth. Octavia is forced to make a decision that could have devastating consequences. Kane and Abby share a moment.
3x10 Fallen aired: Thursday Apr 7, 2016
Jaha employs a terrifying new method to convince Abby to join his cause, Kane is on a mission. Bellamy is hit with a hard truth. Monty finds himself in a precarious situation. Jasper rushes to save one of his own.
3x11 Nevermore aired: Thursday Apr 14, 2016
Alie forces Raven's dark side to come out. Jasper's anger continues to grow. Octavia wrestles with her place in the world. Monty is forced to make a split-second decision.
3x12 Demons aired: Thursday Apr 21, 2016
Jaha returns to Polis. Murphy has a surprise encounter. Octavia uncovers a clue.
3x13 Join or Die aired: Thursday Apr 28, 2016
Clarke is on a mission that could change everything. Murphy gains insight that might prove useful in ensuring his survival. Kane reaches a breaking point.
3x14 Red Sky at Morning aired: Thursday May 5, 2016
Clarke, Bellamy, Octavia, and Jasper hit a tragic roadblock. Raven and Monty make an important discovery.
3x15 Perverse Instantiation (1) aired: Thursday May 12, 2016
Clarke finds hope in the most unlikely place. Alie's master plan comes together.
3x16 Perverse Instantiation (2) aired: Thursday May 19, 2016
Our heroes begin to face the reality of their tragic situation. Everyone prepares for a final showdown.

Season 4 Episode List

4x1 Echoes aired: Wednesday Feb 1, 2017
Clarke and her friends struggle with how to proceed after the fate of the world is revealed.
4x2 Heavy Lies the Crown aired: Wednesday Feb 8, 2017
The burden of leading weighs heavily upon Clarke and Bellamy when different challenges force them to determine who will live and die.
4x3 The Four Horsemen aired: Wednesday Feb 15, 2017
Jaha leads Clarke and Bellamy down a road to possible salvation while tensions rise in Arkadia and Polis.
4x4 A Lie Guarded aired: Wednesday Feb 22, 2017
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.
4x5 The Tinder Box aired: Wednesday Mar 1, 2017
Clarke makes a desperate plea with a former allied force in an attempt to avoid a war and ensure the survival of her people.
4x6 We Will Rise aired: Wednesday Mar 15, 2017
Clarke and Roan must work together in hostile territory in order to deliver an invaluable asset to Abby and her team.
4x7 Gimme Shelter aired: Wednesday Mar 22, 2017
Clarke's arrival on the island quickly takes a turn for the worse. Meanwhile, Bellamy tries to avoid further tragedy in Arkadia.
4x8 God Complex aired: Wednesday Mar 29, 2017
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.
4x9 DNR aired: Wednesday Apr 26, 2017
Jasper and Bellamy go on a quest. Meanwhile, Clarke struggles to keep the peace after word of Jaha's discovery spreads.
4x10 Die All, Die Merrily aired: Wednesday May 3, 2017
Octavia fights in the final battle for her people's survival, but not everyone is willing to play fair.
4x11 The Other Side aired: Wednesday May 10, 2017
Clarke faces the consequences of her fateful choice.
4x12 The Chosen aired: Wednesday May 17, 2017
Jaha and Kane disagree over how to handle their grim reality. Meanwhile, Clarke leads a group to save a friend.
4x13 Praimfaya aired: Wednesday May 24, 2017
It's a race against the end of the world as Praimfaya arrives forcing our heroes to make impossible decisions to ensure their survival.


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