List of The 100 episodes
The 100 (pronounced The Hundred ) is an American post-apocalyptic science fiction drama television series developed by Jason Rothenberg, which premiered on March 19, 2014, on The CW. It is loosely based on a 2013 book of the same name, the first in a book series by Kass Morgan. The series follows a group of teens as they become the first people from a space habitat to return to Earth after a devastating nuclear apocalypse.
In March 2016, the series was renewed for a fourth season of 13 episodes, which premiered on February 1, 2017. In March 2017, the series was renewed for a fifth season. As of May 24, 2017[update], 58 episodes of The 100 have aired, concluding the fourth season.
|Season||Episodes||Originally aired||Nielsen ratings|
|First aired||Last aired||Rank||Viewers
|1||13||March 19, 2014||June 11, 2014||150||2.59|
|2||16||October 22, 2014||March 11, 2015||157||2.46|
|3||16||January 21, 2016||May 19, 2016||165||1.94|
|4||13||February 1, 2017||May 24, 2017||TBA||TBA|
Season 1 (2014)
|Title||Directed by||Written by||Original air date||Prod.
|1||1||"Pilot"||Bharat Nalluri||Jason Rothenberg||March 19, 2014||296843||2.73|
|Set in an indeterminate year in the distant future, 97 years after a nuclear apocalypse has devastated the surface of Earth, the only remaining humans are residents of an orbiting space stations known as "The Ark". Equipped with vital-monitoring wristbands and instructions to proceed directly to Mount Weather, upon landing, 100 juvenile delinquents are sent to the surface to test its habitability. Among them is 17-year-old Clarke Griffin (Eliza Taylor), the daughter of The Ark's chief medical officer, Dr. Abby (Paige Turco). The 100 discover a lush Earth filled with new wonders and dangers. Clarke and four others search for the former Mount Weather Emergency Operations Center, a possible site of supplies. Ultimately, they discover that there are hostile survivors on the ground when Jasper, one of their party, is speared. The other delinquents remain at the landing site and, under the leadership of Bellamy (Bob Morley), celebrate their new world. Back on The Ark, Chancellor Jaha (Isaiah Washington) has been shot, causing the merciless and unsympathetic Councilman Kane (Henry Ian Cusick) to take charge.|
|2||2||"Earth Skills"||Dean White||Jason Rothenberg||March 26, 2014||2J7052||2.27|
|Chancellor Jaha recovers and learns of his son Wells' supposed fate on the ground. Abby recruits Raven, a zero-gravity mechanic, to fix a drop pod to send herself to the ground. Meanwhile on Earth, Clarke, Wells, Murphy, and Bellamy set out to rescue Jasper, who was taken by the grounders after being attacked. They find Jasper tied to a tree and manage to return to camp with him, in addition to a panther they killed prior his rescue. Bellamy forces the 100 to trade their wristbands for food. Clarke manages to keep hers. As the Ark watches more wristbands going offline believing they are dying, a figure watches the 100 from above the camp.|
|3||3||"Earth Kills"||Dean White||Elizabeth Craft & Sarah Fain||April 2, 2014||2J7053||1.90|
|In flashbacks, Clarke's engineer father Jake discovers a life support problem with The Ark, and is arrested for threatening to tell the people and "floated" by Jaha. In the present, Clarke, Finn, and Wells search for antibiotic seaweed to treat Jasper's wounds. Bellamy assembles a hunting group who are followed by Charlotte, a troubled 13-year-old. A lethal acidic fog hits, forcing Clarke, Finn, and Wells to seek shelter. The three talk, and Clarke berates Wells for his apparent part in her father's execution believing he told his father of Clarke's father's intent to commit treason. Bellamy and Charlotte take refuge from the fog; he comforts her when she has a nightmare. Clarke discovers her mother's culpability in her father's death, learning that she actually told the Jaha, knowing he would be floated. Clarke and Wells reconcile. Later, Charlotte's misinterpretation of Bellamy's advice leads her to kill Wells.|
|4||4||"Murphy's Law"||P. J. Pesce||T. J. Brady & Rasheed Newson||April 9, 2014||2J7054||1.69|
|Monty attempts to use the wristbands to contact The Ark. Octavia and Jasper discover Murphy's knife outside the wall with two fingers, which are Wells'. Clarke publicly accuses Murphy, inciting a mob that begins hanging him. Overwhelmed, Charlotte confesses and Murphy is cut down. Charlotte flees camp with Clarke and Finn, and they take refuge in a bunker, pursued by a revenge-seeking Murphy. Feeling guilty, Charlotte attempts to turn herself in, but Bellamy intercepts her. The whole group ends up at a dead-end cliff where Charlotte jumps off and commits suicide, and Bellamy banishes Murphy. Monty accidentally fries all of the wristbands. Finn runs to the bunker in frustration, Clarke follows, and they have sex. On The Ark, Abby and Raven go to great lengths to acquire a pressure regulator, but Kane finds out and has Abby arrested. Raven launches off The Ark alone and prepares to enter the atmosphere.|
|5||5||"Twilight's Last Gleaming"||Milan Cheylov||Bruce Miller||April 16, 2014||2J7055||1.80|
|Raven, unconscious, has made it to the ground. Bellamy reaches her pod first and throws away her radio. Clarke and Finn follow, and help Raven, who is revealed to be Finn's girlfriend, leaving Clarke devastated. They catch up with Bellamy and tell him of the 300 people to be culled from The Ark to preserve oxygen. He helps locate the radio, but it cannot be repaired in time, so they devise a plan to fire "flare" rockets that The Ark will see, confirming that Earth is survivable. On The Ark, the approved plan calls for sealing off and deoxygenating Section 17. A desperate Abby reveals her husbands discovery to The Ark, causing some residents to volunteer for the culling. After the culling, Abby, imprisoned, and Jaha watch in surprise as the "flare" rockets appear in the viewport above Abby's cell. Meanwhile, Octavia is captured by a grounder.|
|6||6||"His Sister's Keeper"||Wayne Rose||Tracy Bellomo & Dorothy Fortenberry||April 23, 2014||2J7056||1.97|
|In flashbacks, Bellamy witnesses Octavia's birth; he names her after Augustus' sister Octavia the Younger. Due to The Ark's one child rule, Octavia is forced to live beneath the floor of her family's quarters. To ensure her daughter's safety, her mother resorts to prostitution in order to gain notice of guard's inspections. When Octavia is 16, Bellamy takes her to a masked ball for Unity Day; she is caught, and their mother is executed. A year later, Commander Shumway convinces Bellamy to assassinate Jaha, in exchange for a place on the dropship with his sister. In the present, Bellamy combs the camp looking for Octavia, to no avail. He assembles a search party, and they leave for the woods. Meanwhile, Clarke and Raven travel to Finn's bunker in hopes of finding a radio transmitter with which to contact The Ark, and Raven discovers Finn's involvement with Clarke. Bellamy, Finn, and Jasper rescue Octavia, and Finn is stabbed in the process.|
|7||7||"Contents Under Pressure"||John Showalter||Akela Cooper & Kira Snyder||April 30, 2014||2J7057||1.88|
|In the midst of a hurricane on the ground, Finn is near death from a poisoned stab wound. Bellamy, having captured the grounder who stabbed Finn, tortures him for the antidote but he doesn't speak. Raven successfully connects with The Ark; Abby assists Clarke with treating Finn. Octavia convinces the grounder to reveal the antidote by poisoning herself with the same blade. On The Ark, Abby is released but is removed from the Council. Replacing her is the former chancellor, Diana Sydney, whose intentions are questionable. After learning that Earth is habitable, The Ark begins preparations for Project Exodus: their re-colonization of Earth. However, their drop ships can only carry about 25% of The Ark's population. In addition, residual tension from the culling causes mistrust in the Council.|
|8||8||"Day Trip"||Matt Barber||Story by : Andrei Haq
Teleplay by : Elizabeth Craft & Sarah Fain
|May 7, 2014||2J7058||1.64|
|Video connection is established with The Ark. The Ark informs the 100 of a nearby underground depot that may serve as a winter home. Bellamy and Clarke investigate, and discover a stockpile of weapons and supplies. Dax, whom Commander Shumway is coercing to kill Bellamy, follows them. Octavia takes advantage of the camp's suffering from the effects of an hallucinogenic nuts gathered as rations and frees the grounder, whose name is Lincoln. Bellamy, also hallucinating, is wracked with guilt for the culling and almost killed by Dax. Now, coming to terms with his actions, he speaks to Jaha and is pardoned in exchange for information about the assassination attempt. This leads to the arrest and imprisonment of Shumway. He is visited by Diana Sydney, and it is revealed that Jaha's assassination was her idea. Diana then has Shumway killed in his cell.|
|9||9||"Unity Day"||John Behring||Kim Shumway & Kira Snyder||May 14, 2014||2J7059||1.73|
|"Unity Day" arrives, when the joining of the orbiting space stations is celebrated. As the 100 celebrate, they find their video link interrupted when a bomb explodes during the ceremony on The Ark. Diana engineers a mutiny in order to hijack the first dropship. As the ship launches, it is not fully disconnected from The Ark's main systems, causing an Ark-wide power outage and disabling every dropship. On the ground, in an effort to initiate peace, Finn arranges a meeting with the local grounder leader through Lincoln. Clarke represents the group and goes to the meeting, where she meets Anya, a grounder leader. Jasper, who along with Bellamy is monitoring the meeting from cover, believes he sees the grounder spotters in the trees about to shoot, he opens fire, and the meeting dissolves into battle. That night, Clarke and Bellamy see the dropship descending. It comes in too fast with no parachute, and violently crashes in the distance.|
|10||10||"I Am Become Death"||Omar Madha||T. J. Brady & Rasheed Newson||May 21, 2014||2J7060||1.46|
|Murphy returns to the dropship after being captured and tortured by the grounders for information about the group. Soon, a deadly virus spreads thanks to Murphy, who was used by the grounders as an agent of biological warfare. Bellamy, Raven and Clarke all contract the disease. Octavia learns from Lincoln that this is his people's way of softening the battlefield. To delay the incoming attack, Raven builds a bomb to stop the grounders from crossing the bridge featured in the previous episode. Bellamy tasks Jasper with detonating the bomb, and he does so just as the raiding party reaches the bridge. Later, Murphy smothers Connor as revenge for his part in Murphy's hanging. Raven breaks up with Finn.|
|11||11||"The Calm"||Mairzee Almas||Bruce Miller||May 28, 2014||2J7061||1.71|
|After a fire destroys most of the food supply, the group sends out hunting parties to restock. Clarke, Finn, and Myles go out together, but Clarke and Finn are captured and brought to the grounder camp. Anya instructs Clarke to save Tris, her second, a young girl who was injured in the bomb blast. Clarke tries to save her but is unsuccessful. In revenge, Finn is taken away to be executed. Clarke escapes by killing her guard and runs. Bellamy, Raven, Octavia, and Monty search for the missing party and find Myles, hurt in the woods. Monty mysteriously disappears after hearing a strange signal on their hand radios. Kane awakens on a devastated Ark. He searches for survivors and realizes Jaha is alive in the Earth Monitoring Station and trying to bring systems online. With over half The Ark's populace likely dead, they discover that there are survivors in an access bay to the exodus ship. Kane braves the extreme heat in a maintenance tunnel to reach the survivors—including Abby.|
|12||12||"We Are Grounders – Part I"||Dean White||Tracy Bellmo & Akela Cooper||June 4, 2014||2J7062||1.58|
|Clarke is recaptured by Anya, and they encounter a grounder named Tristan, who assumes command. Clarke is saved by Lincoln and taken to a very much alive Finn. Lincoln leads the two through a network of tunnels occupied by the reapers, cannibalistic humanoids the grounders themselves are afraid of. Lincoln seemingly sacrifices himself so Clarke and Finn can live to warn the others, including Octavia. Back at the dropship, Murphy has taken Jasper hostage. Bellamy trades himself for Jasper. While Raven attempts to open the dropship door, Murphy prepares to hang Bellamy. She's successful as Bellamy is dangling, and Murphy retreats to the upper level. Murphy shoots his gun aimlessly at the floor and accidentally shoots Raven. Murphy blows a hole in the ship with gunpowder and escapes with a radio. A returned Clarke convinces the group to flee the camp for the ocean where they'll be safe. On The Ark, with the dropships no longer functional, Jaha realizes the only way to save the rest of the citizens is by bringing The Ark and its people to the ground.|
|13||13||"We Are Grounders – Part II"||Dean White||Jason Rothenberg||June 11, 2014||2J7063||1.68|
|The 100 are ambushed by grounder scouts and forced to retreat to camp. Meanwhile, the remaining citizens of The Ark prepare to return to Earth. After a technical failure to jettison requires manual intervention, Jaha remains on The Ark. The Mecha Station, with Abby and Kane, makes it to the ground. Back at the dropship, Tristan leads the grounders' attack. The 100 mount their defense. Octavia is injured and leaves with Lincoln. Most of the 100 retreat into the dropship; Anya leaps in after them. As previously planned, Jasper manages to activate its rockets, and the massive fireball kills all 300 of the grounders, and apparently Finn and Bellamy. When the 100 emerge from the dropship, gas grenades drop at their feet, and they all pass out. Clarke wakes up in a white room. Through the window in her door she sees Monty locked in an identical room across the hallway. A sign next to his door reads "Mount Weather Quarantine Ward".|
Season 2 (2014–15)
|Title||Directed by||Written by||Original air date||Prod.
|14||1||"The 48"||Dean White||Jason Rothenberg||October 22, 2014||3J5251||1.54|
|Finding Monty gone from his cell, Clarke breaks out and discovers she is trapped in an underground complex inside Mount Weather. She discovers an entire population of humans has survived but is unable to go outside because they have never built up the resistance to radiation that the grounders and the 100 have from space and adaptation. After meeting their President Dante Wallace, she is invited to stay along with the 47 surviving teenagers out of the original 100 that landed on Earth. Distrusting him, she makes a break for freedom but is stopped by Jasper. Clarke secretly plots an escape. Meanwhile, grounders capture Finn and Bellamy, before Abby, Kane, and the rest of The Ark's survivors find them and free them. After heading to the crash site, they discover an injured Raven and Murphy. Bellamy attacks Murphy, and Kane arrests him. The group returns to the newly established Camp Jaha. Separated from everyone else, Lincoln tries to save a poisoned Octavia, but with no antidote, he is forced to take her to his village, knowing it will mean certain death if he is caught.|
|15||2||"Inclement Weather"||John F. Showalter||Michael Angeli||October 29, 2014||3J5252||1.48|
|Chancellor Jaha discovers a baby left on The Ark and plans to take him to Earth. While a suspicious Clarke confronts Dante, Octavia is healed by Nyko, a friend of Lincoln's. Octavia holds Nyko hostage and leverages him to Indra, the village leader, in order to get Lincoln back. Abby performs surgery on Raven to remove the bullet from her spine without any anaesthesia. Jaha learns that the baby is an hallucination of his son, who convinces him to continue living his life; he crash lands a missile to Earth. During the prisoner exchange, Octavia is attacked by the reapers, who capture Lincoln. Clarke learns that Anya — the leader of the grounders — is being held in Mount Weather with other prisoners being forced to supply blood to heal the mountain residents.|
|16||3||"Reapercussions"||Dean White||Aaron Ginsburg & Wade McIntyre||November 5, 2014||3J5253||1.68|
|Clarke and Anya escape Mount Weather into the reaper tunnels. Abby is punished for supplying guns to Finn, Bellamy and the others leave Camp Jaha to search for their friends. Octavia joins Indra's hunting party in order to follow the reapers and retrieve Lincoln, but he is not among the grounders they intercept. In Mount Weather, Jasper and Monty worry about Clarke's whereabouts. Kane goes after Finn, Bellamy, and the others, and appoints Abby chancellor in his absence. Clarke and Anya risk their lives to escape the tunnels; Anya takes Clarke hostage. Lincoln is shown to be in Mount Weather, and it is revealed that the reapers work with the mountain men, bringing prisoners to Mount Weather and being fed with dead grounders.|
|17||4||"Many Happy Returns"||P. J. Pesce||Kim Shumway||November 12, 2014||3J5254||1.75|
|Chancellor Jaha is found in a desert and rescued by a boy named Zoran, living with his parents who left their people in search of a place called the "City of Light". Searching for their friends, Finn, Bellamy, and the others find a survivor from The Ark — Mel — who is saved by Bellamy after Sterling dies while trying to rescue her. While Clarke and Anya are on the run from mountain men who follow them, Raven starts working in the camp again alongside Wick, who has made her a brace for her leg. Octavia finally reunites with Bellamy and the others. Chancellor Jaha is forced to leave Zoran and his parents when Zoran's father trades him for a horse. On their way out of the woods, Clarke and Anya arrive at Camp Jaha. Ark soldiers shoot and kill Anya and knock out Clarke, after mistaking her for a hostile grounder.|
|18||5||"Human Trials"||Ed Fraiman||Charlie Craig||November 19, 2014||3J5255||1.64|
|Clarke is brought into Camp Jaha, and after receiving medical attention from Abby is reunited with Bellamy, Octavia, and Raven. They go after Finn and Murphy. Kane is hoping to find peace with the grounders but instead is imprisoned at the grounder camp, where he discovers Jaha is also a prisoner. Meanwhile, Lincoln is being held at Mount Weather where he is the subject of experimentation involving a red drug that turns grounders into reapers. Jasper takes extreme measures to save Maya from radiation exposure by allowing a blood transfusion conducted by Dr. Tsing. After Maya's successful treatment, Dr. Tsing and Cage – Dante's son and Lincoln's torturer – ask President Wallace for permission to move forward with trials on the 47. He refuses. Elsewhere, Finn holds an entire grounder village hostage while searching for Clarke. Clarke, Bellamy, and Octavia arrive in time to see Finn gun down 18 grounders.|
|19||6||"Fog of War"||Steven DePaul||Kira Snyder||December 3, 2014||3J5256||1.86|
|Two days after the massacre, Raven discovers that Mount Weather has jammed communications. Leaving camp to investigate, Bellamy and Octavia discover that Lincoln has become a reaper. Clarke still hasn't spoken to Finn. Raven manages to listen in on Mount Weather's radio broadcasts and discovers the previously encountered acid fog is a weapon of the mountain. In Mount Weather, Wallace wants Jasper to find volunteers to provide blood for the mountain residents, but he is unsuccessful. Maya discovers the radiation leak she was caught in was no accident and confides in Jasper about the mountain's caged grounders. In captivity, Jaha and Kane are told that one of them must kill the other to gain an audience with the Commander. Kane attempts to take his own life rather than kill Jaha, but a grounder witness, Lexa, reveals herself to be the Commander and says that she believes their wish for peace is sincere. She sends Jaha to Camp Jaha with a message; leave within two days, or die.|
|20||7||"Long Into an Abyss"||Antonio Negret||James Thorpe||December 10, 2014||3J5257||1.62|
|With the grounders' deadline imminent, Abby and Jaha disagree over what the survivors are to do; Jaha wishes to evacuate to the so called "City of Light", while Abby wants to remain behind to rescue the 47. Clarke, Octavia, and Bellamy hold the reaper-state Lincoln in the dropship, and learn he was drugged and experimented on. Lincoln's heart stops but is restarted by Clarke, who believes there is a way to cure reapers – information they can leverage to the grounders. When Abby is successful in curing Lincoln, Lexa grants Clarke the truce but demands Finn's execution for the massacre before it can begin. In Mount Weather, Jasper, Monty, Miller, and Harper discover that there are Ark survivors on the ground. Dr. Tsing learns that for the mountain residents to live on the surface, they would have to kill the 47 for their bone marrow. Though Wallace vetoes the plan, his son Cage goes behind his back and begins the process with Harper.|
|21||8||"Spacewalker"||John F. Showalter||Bruce Miller||December 17, 2014||3J5258||1.40|
|Clarke returns to camp with knowledge of the only way the grounders will accept a truce. Opinions are divided when Clarke reveals the grounders will cease their attack if they are given Finn. Flashbacks to The Ark reveal that Finn was imprisoned because he took the fall for Raven's illegal spacewalking. At Camp Jaha, Abby and a returned Kane think they can bargain with the grounders by offering to put Finn on trial, but such plans are for naught, as Finn ultimately turns himself in. In a last-ditch effort to save Finn, Clarke goes to meet with Lexa. When Lexa refuses clemency Clarke asks to say goodbye. She approaches Finn, kisses him, and tells him that she loves him while stabbing him, saving him the brutal execution of grounder custom.|
|22||9||"Remember Me"||Omar Madha||Dorothy Fortenberry||January 21, 2015||3J5259||1.48|
|Clarke and a group from The Ark accompany Finn's body to a grounder camp to complete their agreement for a truce. Clarke is haunted by visions of Finn. Bellamy tries to convince Clarke to let him go to Mount Weather as a inside man; she refuses. At the village, Finn's corpse is burned along with those of the massacre victims. Kane gifts Lexa a bottle of liquor, which when tested appears poisoned, leading to the belief it was an assassination attempt by the Sky People. The grounders accuse and prepare to execute Raven, but Clarke and Bellamy pinpoint Gustus, Lexa's right hand, as the true culprit. Later, Clarke changes her mind and sends Bellamy, along with Lincoln, to infiltrate Mount Weather.|
|23||10||"Survival of the Fittest"||Dean White||Akela Cooper||January 28, 2015||3J5260||1.53|
|Clarke and Lexa encounter a gigantic mutated gorilla after one of the grounder council members drives Clarke into the forest with the intent to kill her. They escape it but become temporarily trapped in its cage, and Lexa is injured. Clarke figures out a way to escape and has an idea about freeing the grounders inside Mount Weather to act as an insider army. Bellamy and Lincoln plan their infiltration of Mount Weather en route to the reaper tunnels, but upon arrival Lincoln is overcome by his addiction, leaving Bellamy to a questionable fate. Murphy helps Jaha confront his past, while Jaha persuades Murphy that the Sky People have nothing to offer him that his best option is to search for the mystical 'City of Light'. After witnessing Octavia's determination and unwavering spirit to fight, Indra offers to make Octavia her second in command, but Kane warns Octavia that once the war ends it is likely that the grounders and Sky People will end up breaking their alliance.|
|24||11||"Coup de Grace"||P. J. Pesce||Charlie Craig||February 4, 2015||3J5261||1.51|
|Bellamy is caged in Mount Weather along with numerous grounders. Jasper's search for Monty and Harper remains fruitless, so he confronts the President about their disappearance. Cage sends snipers to assassinate Clarke and Lexa; they are intercepted, and one is captured for questioning. Maya discovers Bellamy being harvested for blood and saves him; he makes contact with Clarke. President Wallace and Jasper discover Dr. Tsing's illegal experiments on Harper and Monty. Cage replaces his father as President by force and orders a lockdown for the surviving 47 teens. Realizing she has to draw attention to the outside for Bellamy's sake, Clarke sends Emerson, their captive, back to Mount Weather with a message boasting that the army that is coming for them.|
|25||12||"Rubicon"||Mairzee Almas||Aaron Ginsburg & Wade McIntyre||February 11, 2015||3J5262||1.36|
|An unmasked Cage rescues Emerson on the surface, revealing the success of the bone marrow experiments. In the dormitory, Jasper tells the others of Bellamy's presence. Meanwhile, Jaha, Murphy, and his group encounter a strange woman, named Emori, who offers to serve as guide to the City of Light... but she is not all that she appears to be. In Mount Weather, Bellamy seeks a way to help his friends. When Bellamy makes radio contact, Clarke and Raven overhear Cage's plan to bomb the planned peace conference in Tondc. Clarke races to the village, where she explains the danger to Lexa. Lexa convinces Clarke that an evacuation would expose Bellamy's presence in the mountain; the two secretly escape. As they leave, Clarke sees her mother arrive in the village and returns to try to rescue Abby as the missile hits the village.|
|26||13||"Resurrection"||Dean White||Bruce Miller||February 18, 2015||3J5263||1.42|
|Clarke and Abby survive the missile strike on Tondc, but Abby is horrified to realize that Clarke knew it was coming and did not evacuate the village. She goes back to help survivors, while Lexa and Clarke set off to find and kill the spotter who called in the strike and is still shooting. Lincoln saves Indra's life, while Octavia leads the other seconds in an effort to dig out survivors. Abby finds Kane pinned below rubble and struggles to free him, while they wonder whether they deserve to survive at all. Clarke finds and kills the spotter with Lincoln's help, and realizes that the spotter's lack of a hazmat suit means the mountain men have started harvesting her friends. Inside Mount Weather, Jasper and the others fight back and find refuge with those in Mount Weather who do not agree with Cage.|
|27||14||"Bodyguard of Lies"||Uta Briesewitz||Kim Shumway||February 25, 2015||3J5264||1.55|
|Octavia has figured out that Clarke and Lexa knew about the missile, and Lexa decides she needs to be killed to protect that secret. Clarke prevents this and angrily confronts Lexa, who reveals that she has feelings for Clarke. Bellamy, Raven, and Wick find a way to disable the acid fog. Raven and Wick have celebratory sex, but Bellamy discovers that the fog's still active and that his radio contact has been cut off while the army is marching on Mount Weather. Clarke inspires Lexa to not treat love as weakness, and that there is more to life than just surviving. Lexa kisses Clarke, but she is not ready for another relationship so soon. Raven signals the fog is disabled; Clarke and Lexa lead their army to the mountain. The mountain men prepare to deploy the acid fog, but Bellamy manages to elude a security team and destroy the system in an explosion just in time. Elsewhere, Jaha and Murphy encounter a perilous minefield roadblock as they continue their search for the City of Light. After traversing the minefield, at a cost of their remaining group, they reach a lake where Emori, the scavenger and looter they encountered earlier, is there with her gang and offers them a boat to transport them to their destination.|
|28||15||"Blood Must Have Blood, Part One"||Omar Madha||Aaron Ginsburg & Wade McIntyre||March 4, 2015||3J5265||1.49|
|Bellamy is letting the grounders imprisoned inside Mount Weather out of their cages as Cage starts to raid the complex for the 47. Some of them are temporarily captured but freed again by Bellamy, Jasper, and Maya, who bring them to the harvest chamber. Soldiers soon raid the harvest chamber too, taking the 47 prisoner once again. Meanwhile, Cage visits his father, desperately hoping he will tell him a way to stop the incoming attack. Raven and Wick destroy the mountain's generators, and the lock on Mount Weather's door is disabled. When they pull the door open however, Lexa commands her people to stand down – she has made a deal with Emerson, her people will be freed if the grounder army retreats leaving the Sky People left for dead. It is later learned that this was Dante's suggestion. When the grounders retreat, almost all the Sky People accept defeat and soon leave too, leaving behind only Clarke at the front door and Octavia in the tunnels.|
|29||16||"Blood Must Have Blood, Part Two"||Dean White||Jason Rothenberg||March 11, 2015||3J5266||1.34|
|Clarke joins Octavia in the tunnels and is let into Mount Weather by Bellamy. With the 47 waiting for bone marrow extraction, Clarke and Bellamy take Dante hostage. When Cage still refuses to stop, Clarke shoots his father, which leads Cage to begin bone marrow extraction on Abby. Seeing no other option, Clarke has Monty hack into Mount Weather's air filtration system, and she and Bellamy irradiate the mountain, eradicating the population, including Maya. Cage escapes but comes upon Lincoln, who injects Cage with the reaper drug, killing him, leaving Emerson, who also escaped, as the last Mountain Man. Everyone returns to Camp Jaha, but Clarke, wracked with guilt, leaves. Meanwhile, Jaha and Murphy arrive at an island where they separate. Murphy finds a lighthouse inside of which he watches a recording of the previous occupant who says she "got the launch codes", before shooting himself. Jaha finds a well kept mansion, surrounded by drones, where he meets an A.I., named "A.L.I.E.", in the form of an attractive dark-haired woman wearing a red dress, who thanks him for his "gift": the nuclear warhead from the missile he used to land on Earth.|
Season 3 (2016)
|Title||Directed by||Written by||Original air date||Prod.
|30||1||"Wanheda: Part One"||Dean White||Jason Rothenberg||January 21, 2016||3J5751||1.88|
|For three months, Clarke has been living on her own in the woods. At a grounder trading post, Clarke sleeps with the post owner, Niylah, and is caught by a bounty hunter while leaving the next morning. At Camp Jaha, renamed Arkadia, Lincoln – unable to leave camp due to a kill order put on him by Lexa – tries to fit in with the Sky People, much to Octavia's distaste. Bellamy, with several others, goes on patrol and encounters Ice Nation scouts. Jasper is injured, and part of the group returns to Arkadia. The rest meet up with Kane and Indra, from whom they learn there is a bounty on Clarke. They leave to search for Clarke, but the Rover ATV they are using gets trapped by a deliberately felled tree. Meanwhile, Murphy is released from his bunker and finds Jaha and A.L.I.E at the mansion. Murphy refuses to be a part of Jaha's mission but decides to leave the island with him when he sees that Emori is part of the boat crew.|
|31||2||"Wanheda: Part Two"||Mairzee Almas||Aaron Ginsburg & Wade McIntyre||January 28, 2016||3J5752||1.63|
|The attackers of the Rover ATV turn out to be fellow Ark members from Farm Station who landed separately, including Monty's mother. Conflicts with the Ice Nation, in whose territory they landed, have reduced their numbers to 63. They accept Kane's offer to come to Arkadia. Part of the group continues their search for Clarke, but after Bellamy is injured by the bounty hunter who has captured Clarke, the group is forced to return to base. Indra returns to the grounder city of Polis where the bounty hunter – revealed to be Prince Roan of Ice Nation – delivers Clarke to Lexa. Meanwhile, Jaha continues his mission for A.L.I.E. While Otan distracts Jaha, Emori and (unwittingly) Murphy kill Gideon and steal a backpack containing A.L.I.E.'s portable nuclear powered hardware. When Otan returns he appears to be brainwashed, and Murphy throws the pack into the water. Emori and Murphy escape on the boat, while Jaha and Otan scramble to save the bag. A.L.I.E. reveals that no one can die in the City of Light, showing them Gideon - alive and unscarred - in the city.|
|32||3||"Ye Who Enter Here"||Antonio Negret||Kim Shumway||February 4, 2016||3J5753||1.57|
|Lexa reveals to Clarke that she intends to initiate the Sky People into her Coalition. Meanwhile, Bellamy, his girlfriend Gina, Octavia, and Raven arrive at Mount Weather with supplies for the Farm Station refugees. There, Echo, the grounder Bellamy first freed from the cages beneath the mountain, appears and speaks of an Ice Nation plot to attack the summit in Polis. Bellamy, Pike, and Octavia leave for Polis. As they reach the summit, it is revealed there is no imminent threat to those present; the "warning" was a ruse to lure them away. Meanwhile, an assassin infiltrates Mount Weather, kills Gina, and punches in the self-destruct codes. After a fight between the assassin on one hand, and Sinclair and Raven on the other, Mount Weather detonates, killing all 36 members of the Farm Station; only Raven and Sinclair survive. It is revealed that Echo is working with Queen Nia of the Ice Nation, who is helped by Emerson, the last survivor of Mount Weather, in carrying out its destruction.|
|33||4||"Watch the Thrones"||Ed Fraiman||Dorothy Fortenberry||February 11, 2016||3J5754||1.32|
|In a fight to the death for the right to the throne, Queen Nia chooses her son Roan to fight Lexa. At Arkadia, Bellamy, wracked with guilt, resigns from the guard. Monty and Jasper leave camp, and Monty confronts his grieving friend. Pike publicly confronts Kane and Abby, questioning them about the grounder army surrounding Arkadia, sent as protection by Lexa. Pike convinces Bellamy to supply him with guns and help massacre the grounder army. Lincoln, Abby, and Kane stop them at the last minute. Pike's name is then suggested for inclusion on the ballot for the upcoming Chancellor vote. Back at Polis, Lexa bests Roan but kills Nia instead of him, and pronounces Roan the king of Ice Nation. Back at Arkadia, Pike is the elected Chancellor. Pike then frees himself, his supporters, and Bellamy, and they leave to finish what they started.|
|34||5||"Hakeldama"||Tim Scanlan||Charlie Craig||February 18, 2016||3J5755||1.36|
|Clarke, Lexa, and other grounders from Polis discover the fallen army of grounders, slain by Pike and his followers. Indra is found wounded and claims Bellamy persuaded Pike to let her live in order to tell Lexa that the Sky People reject the newly-formed coalition. Lexa allows Clarke's return to Arkadia to tell Bellamy and the others to step down. Clarke fails to convince Bellamy, but instead induces Lexa to end the cycle of violence in hopes of peace. Meanwhile, Murphy and Emori set up traps to steal from passersby. Murphy is caught, and one of the grounders spots the pill Jaha gave him earlier in the season; he demands to know where Murphy found it. After arriving in Arkadia, Jaha and A.L.I.E. set out to recruit more people into the City of Light by giving out the pills. Devastated by her chronic agony, Raven decides to take the pill, which successfully removes her pain. She then sees A.L.I.E. for the first time.|
|35||6||"Bitter Harvest"||Dean White||Kira Snyder||February 25, 2016||3J5756||1.41|
|When Roan has Emerson, the last Mountain Man, delivered to Polis, Clarke must decide his fate. Ultimately, she decides to let Lexa banish him. Octavia and Kane find out Pike intends to clear a nearby grounder village and utilize their fertile soil for crops, so Octavia rides to alert the village. The village set a deadly trap for the incoming Sky People, which Octavia manages to warn Bellamy about just in time. Abby confiscates the City of Light chips from Jaha when it becomes clear he has no recollection of his son. A.L.I.E. enlists Raven's help to search The Ark for her second iteration, A.L.I.E. 2.0. They are unable to find it, which leads to the realization that it may be on the mythical 13th station, named Polaris, that got shot out of orbit before joining the rest of The Ark. Titus, the Flamekeeper, tortures Murphy for information, alongside an escape pod with two letters clearly scorched off from re-entry that, with the other marked letters, spells Polaris.|
|36||7||"Thirteen"||Dean White||Javier Grillo-Marxuach||March 3, 2016||3J5757||1.39|
|Murphy convinces Titus to tell him more about the origin of his religion, speculating that the first Commander was from the 13th station rather than born on the ground. Flashbacks reveal that after A.L.I.E. causes the nuclear apocalypse, Becca – A.L.I.E.'s creator and avatar template – attempted to create A.L.I.E. 2.0 to interface more directly with humanity. When The Ark destroyed her research station Polaris, Becca injected herself with an unknown black substance while implanting the ALIE 2.0 in her neck, and traveled to Earth in an escape pod. In the present, Clarke and Lexa prepare to part ways in response to Lexa's decision to blockade Arkadia until Pike is removed from leadership. Titus attempts to ensure that the Sky People are destroyed by shooting Clarke and blaming Murphy for it, only he shoots Lexa accidentally. After Lexa dies, it is revealed that A.L.I.E. 2.0 has been implanted in the back of her neck; Titus describes it as the spirit of the Commander.|
|37||8||"Terms and Conditions"||John Showalter||Charlie Craig||March 10, 2016||3J5758||1.20|
|The grounders inform Arkadia of the blockade and note that it will only be lifted if Pike is surrendered to them. In response, Pike begins to plan for war, while Kane plans to hand Pike over to the grounders. To this end, Sinclair allows himself to be arrested. He and an interned Lincoln stage an argument in lock-up, creating a distraction for Kane to capture Pike. Bellamy and other guards intercept him at the gate. Meanwhile, Raven convinces Jasper to help her break into Pike's office to recover the confiscated chip manufacturer. Jasper, mentioning Finn, prompts a realisation that Raven has no recollection of him at all, and they leave the device where it is. As Jaha reflects on his future plans, Pike decides to sentence Kane to death for treason, forcing Bellamy and Monty to re-evaluate which side they are truly on in the ever-escalating tensions towards war.|
|38||9||"Stealing Fire"||Uta Briesewitz||Heidi Cole McAdams||March 31, 2016||3J5759||1.23|
|In Polis, a conclave is held to decide the new Commander. Ontari, Nia's bodyguard, arrives and murders the other Nightbloods, declaring herself Commander. Titus names Clarke the new Flamekeeper and she takes A.L.I.E. 2.0, known to the grounders as "the Flame”, to find Luna, a Nightblood friend of Lincoln. Titus kills himself to ensure Ontari cannot use him against Clarke, and Ontari swears Roan and Murphy to secrecy about the missing Flame. Meanwhile, Bellamy goes to Octavia for help to save Kane, Lincoln, and Sinclair from execution, but is captured by Octavia and Indra. Abby, Octavia, Miller, and Harper stage an elaborate rescue, with last-minute help from Monty, whose betrayal of Pike is covered up by his mother. When Pike threatens to execute the interned grounders, Lincoln surrenders to save them, while the others escape Arkadia. Octavia watches from a distance as Pike executes Lincoln.|
|39||10||"Fallen"||Matt Barber||Charmaine DeGrate & Javier Grillo-Marxuach||April 7, 2016||3J5760||1.13|
|Acting as a fake Flamekeeper, Murphy helps Ontari convince the grounders to submit to her rule; she later forces him to have sex with her. Pike discovers Monty's betrayal, forcing him to flee Arkadia. Monty rejoins Kane, Octavia, and a captive Bellamy at the dropship, but Pike's men capture them, and Bellamy offers to lead them to the rest of Kane's insurgents. Instead, he leads them to the grounder blockade and hands Pike over to them. Kane goes with the grounders to Polis. Meanwhile, A.L.I.E.'s influence spreads throughout Arkadia, and Raven enlists Abby and Jasper to help her destroy the chip inside her. A.L.I.E. restores Raven's pain to torture her into submission, and then uses her to coerce Abby to take the chip. Jasper, finding the whole of Arkadia in A.L.I.E.'s thrall, manages to escape with an unconscious Raven, encountering Clarke on the way out.|
|40||11||"Nevermore"||Ed Fraiman||Kim Shumway||April 14, 2016||3J5761||1.08|
|Clarke and Jasper regroup with Bellamy, Octavia, Monty, and Sinclair. They decide to carry out Raven's original plan to free herself from A.L.I.E.'s control: by building an electromagnetic pulse device (EMP) from one of The 100's old wristbands and frying the chip inside her. Clarke leads the group to Niylah's trading post, where there is a salvaged bracelet. Monty and Octavia return to the dropship to retrieve additional components for the EMP, but they are attacked by Monty's mother Hannah, now under A.L.I.E.'s control. Monty fatally shoots his mother to save Octavia, and they return to Niylah's, where they are able to destroy the chip inside Raven using the EMP and Clarke cuts out its liquefied remains using Titus' Flamekeeper kit. Raven reveals to the group that the Flame is the only thing that can stop A.L.I.E.|
|41||12||"Demons"||P. J. Pesce||Justine Juel Gillmer||April 21, 2016||3J5762||1.15|
|Clarke's group finds Arkadia abandoned, and retrieve Lincoln's journal, which contains a map to Luna's location. A mysterious masked figure attacks Harper, Miller, and his boyfriend Bryan before they can reach Arkadia and then targets Clarke, who unmasks him as Carl Emerson. Emerson kills Sinclair, and traps everyone else in the airlock planning to force Clarke to watch them suffocate. Clarke uses the Flame to kill him and saves her friends. The group hold a funeral for Lincoln and Sinclair, after which Clarke, Bellamy, Octavia, and Jasper embark on a journey to find Luna, while the others remain to use the Arkadia's mainframe to hack A.L.I.E. Meanwhile, Emori arrives in Polis and reunites with Murphy. Jaha arrives with knowledge of Ontari's deception, revealing that Emori is under A.L.I.E.'s control. Ontari has Murphy arrested, and Jaha convinces her to take a chip. With Ontari in her thrall, A.L.I.E. now has mastery of both the Sky People and the grounders.|
|42||13||"Join or Die"||Dean White||Julie Benson & Shawna Benson||April 28, 2016||3J5763||1.27|
|Flashbacks depict Pike giving The 100 an Earth Skills crash-course in the two weeks prior to the events of the pilot episode. Realising the teens were being sent to the ground and failing to persuade Jaha to let him go with them, Pike beats Murphy in front of the class to incite them to fight for their survival. In the present, Kane and Pike arrive in an A.L.I.E.-controlled Polis and are taken prisoner by Ontari. While incarcerated, Pike is tortured by fellow prisoner Indra in revenge for the massacre of her people, but Murphy convinces her they must unite against A.L.I.E.'s followers. Jaha threatens Abby to coerce Kane into taking the chip. Meanwhile Clarke, Bellamy, Octavia, and Jasper arrive at the shore and send a signal to Luna's people. After being drugged, they awaken aboard a disused oil rig and meet Luna, who refuses to take the Flame.|
|43||14||"Red Sky at Morning"||P. J. Pesce||Lauren Muir & Kira Snyder||May 5, 2016||3J5764||1.13|
|At Arkadia, Harper and Monty sleep together while Raven hacks into the City of Light. She breaks through the firewalls but is blocked by the spirit of Hannah. Monty erases his mother's code, but A.L.I.E. removes herself from Arkadia before Raven can destroy her code. Meanwhile, Murphy, Indra, and Pike escape the Polis dungeons and destroy A.L.I.E.'s core processor, but she has already migrated to the computer system on The Ark, still orbiting Earth. At the oil rig, Clarke plans to implant the Flame into Luna against her will, but is unsuccessful. Some of Luna's people return from the mainland having been taken over by A.L.I.E., and capture Jasper and Luna. After breaking free and killing her captors, Luna, knowing Clarke will stop at nothing to get her to accept the Flame, drugs Clarke and her companions, and has them returned to the mainland.|
|44||15||"Perverse Instantiation – Part One"||Ed Fraiman||Aaron Ginsburg & Wade McIntyre||May 12, 2016||3J5765||1.17|
|Clarke encounters Roan in the woods, and he agrees to help her infiltrate Polis to implant the Flame into Ontari as a last resort. In Arkadia, Jasper is revealed to have been put under A.L.I.E.'s control at the oil rig, and traps Monty and Raven, and takes Harper hostage. At Polis, Roan is shot by Kane and dragged away, while Clarke is captured and tortured by Abby. Murphy, Pike, and Indra rescue Bellamy and the rest of the group. Bellamy and Murphy then attempt to rescue Clarke while the others fight A.L.I.E.'s acolytes, during which Kane is almost killed in an explosion but is tackled aside by Indra, who is captured. Bellamy and Murphy arrive in time to save Clarke, but Jaha prevents them from using Ontari by inflicting a severe head wound that leaves her brain-dead.|
|45||16||"Perverse Instantiation – Part Two"||Dean White||Jason Rothenberg||May 19, 2016||3J5766||1.29|
|At Arkadia, Monty rescues Harper and captures Jasper. At the Polis tower, freed from A.L.I.E.'s control, Abby transfuses the near-dead Ontari's Nightblood into Clarke so she can be implanted with the Flame. While Pike and the others fend off A.L.I.E.'s acolytes, Clarke takes a chip and enters the City of Light. She is protected by Lexa's spirit and aided by Raven's hacking against A.L.I.E.'s minions, and is led to Becca's spirit who shows her A.L.I.E.'s kill switch. To stop Clarke, A.L.I.E. claims that the world's abandoned nuclear power plants are melting down and releasing radiation, meaning Earth will be uninhabitable in the next six months, and City of Light is the only salvation. Clarke decides to pull the switch despite this, destroying A.L.I.E. and freeing all her subjugates. In the aftermath, Octavia executes Pike to avenge Lincoln's death.|
Season 4 (2017)
|Title||Directed by||Written by||Original air date||Prod.
|46||1||"Echoes"||Dean White||Jason Rothenberg||February 1, 2017||T27.13251||1.21|
|Picking up immediately after destroying A.L.I.E., Clarke confides in Bellamy about ALIE's warning of the nuclear power plants melting down and the human race surviving only six more months. In the aftermath of the battle, it turns out that the people Lexa killed to protect Clarke in the City of Light are actually dead, leading the people of Polis to declare both Wanheda and Skaikru their enemies. During these events, Echo leads the Ice Nation warriors against Skaikru and begins to take the city by force; in order to stop her, Clarke and Abby go to King Roan to save him from his bullet wound. When Roan awakens, Echo attempts to convince him to kill Clarke, but Clarke gives Roan the Flame and he declares himself ruler of the thirteen clans until the Flame chooses another commander and announces their peace with Skaikru. Murphy and Emori run away from everyone to be together. Clarke, Bellamy, and Jaha leave Polis to return to Arkadia to decide their next move in their fight against the radiation that's coming. Elsewhere at Arkadia, Raven attempts to determine exactly what kind of damage the radiation will deliver while Jasper's suicide attempt is unknowingly interrupted by Monty.|
|47||2||"Heavy Lies the Crown"||Ed Fraiman||Justine Juel Gillmer||February 8, 2017||T27.13252||1.01|
|Ilian, a grounder who was under ALIE's influence, kills his family to convince his mother to take the chip. Soon after when his mother dies, she tells him to avenge her. In Polis, Ambassador Raphael and Ilian plan to challenge Roan. Roan prepares for battle despite being too weak from his injury. Kane and Octavia attempt to deter Raphael, but he refuses, Octavia later assassinates him. At Arkadia, Raven, Clarke, Bellamy, Monty, Harper, Bryan, and Miller devise a plan to restore Alpha Station to survive the radiation and acquire a hydro-generator for water from Farm Station which is in the Ice Nation. Grounders meet them there and eventually agree to give them the generator. However, they find many of their own as slaves and vote amongst them to use the generator to make an explosion to free them. Everyone returns to Arkadia but with no way of supplying water for everyone. Clarke tells the people of the radiation crisis and they all agree to work together. Kane and Abby sleep together in Polis.|
|48||3||"The Four Horsemen"||P. J. Pesce||Heidi Cole McAdams||February 15, 2017||T27.13253||1.05|
|A possible lead from Jaha for a safe place for when the radiation comes turns out to be false hope. A group of grounders arrive at Arkadia with signs of Acute Radiation Syndrome (A.R.S) from eating contaminated fish, including Nyko and Luna. Abby wants to use their radiation medicine, but Raven who's now in charge of rationing, stops her. Murphy steals it and gives it to Abby anyway. The new Flamekeeper, Gaia, steals the Flame from King Roan, but before Octavia kills her Indra stops her, stating that she's her estranged daughter. Using a decoy, Octavia tells Roan the Flame was destroyed. Arkadia can only house 100 people for the next 5 years to ride out the radiation. Clarke writes a list and includes Bellamy as number 99, and he writes her name for the 100th spot. Luna is the only person who doesn't die from the A.R.S, which makes Abby realize that Luna's body is rejecting the radiation because of her Nightblood.|
|49||4||"A Lie Guarded"||Ian Samoil||Kim Shumway||February 22, 2017||T27.13254||1.00|
|In Polis, Kane and Bellamy are sentenced to die when Roan ends the alliance with both Skaikru and Trikru. Meanwhile, Abby, Raven, Murphy and Luna return to ALIE's island to discover how they can use Luna's Nightblood to save the human race from the radiation. Drones fire on them, resulting in Nyko's death and driving Luna to her breaking point. Echo hunts down Octavia and after a sword fight, Octavia is stabbed and falls off a cliff, but survives. Also, Monty and Jasper discover and expose Clarke's list of 100 names forcing Jaha to resolve the conflict.|
|50||5||"The Tinder Box"||John F. Showalter||Morgan Gendel||March 1, 2017||T27.13255||1.02|
|Raven and Abby discover that because they were released from ALIE's control via EMP instead of when Clarke pulled the kill switch, that they have leftover knowledge from Becca/ALIE in their brains. They learn that Becca was making Nightblood on the Ark and after they find a rocket, they prepare to go back to the Ark to make Nightblood for the survival of the human race. Meanwhile, Ilian brings Octavia to Arkadia to sneak his way in. Octavia warns them of Roan's planned takeover of the ship and Clarke goes to negotiate with him. They eventually agree to share Arkadia 50-50 until Ilian blows up the ship and they all watch their last chance of survival burn to the ground.|
|51||6||"We Will Rise"||Dean White||Charmaine DeGrate||March 15, 2017||T27.13256||0.98|
|Clarke, Bellamy, and Roan go on a road trip to deliver ten barrels of hydrazine fuel to Raven for her trip to space to make Nightblood. Meanwhile, the residents of Arkadia band against Ilian and want to execute him for destroying the ship but Kane tries to resolve the conflict peacefully. However, Octavia holds a gun to Ilian's head but is stopped at the last minute by Kane who points out that Lincoln had been murdered in a similar fashion; she has an emotional breakdown and leaves. Also, Clarke lets her lover, Niylah, stay at Arkadia for the time being. During the drive, a Trikru attack on Clarke, Bellamy, and Roan results in one of the hydrazine barrels being pierced by an arrow and emptied. Later as Raven hears the news, she suffers a seizure.|
|52||7||"Gimme Shelter"||Tim Scanlan||Terri Hughes Burton & Ron Milbauer||March 22, 2017||T27.13257||0.90|
|The black rain begins to fall, and as the Sky People shelter in the remains of Arkadia, Bellamy tries to rescue a father and son trapped outside, but is unable to reach them. Meanwhile, Octavia and Ilian take refuge in a cave, but when he tries to get her to open up about Lincoln, she tries to go into the black rain and kill herself, but he stops her. They have sex, and she decides to go with him back to his family's abandoned farm. At the underground lab on Becca's island, Abby tells Clarke her new plan to implant Luna's bone marrow into a test subject to see if it can create immunity, but to test this they would need to use a huge dose of radiation on the subject, which could kill them. When a grounder thief breaks into Becca's mansion and is captured, Emori identifies him as her nemesis Baylis. She intends to kill him, but Clarke decides to use him as the test subject. Emori later admits to Murphy that the thief is not Baylis, and that she lied to save herself from being sacrificed.|
|53||8||"God Complex"||Omar Madha||Lauren Muir||March 29, 2017||T27.13258||0.97|
|After the first test kills the thief, Emori's lie is discovered and she is taken prisoner, with the intention of using her as the next subject. Murphy also has to be tied up when he tries to stop them, and Luna is knocked out by Roan when she tries to leave. Clarke changes her mind and injects herself with Luna's bone marrow, becoming a Nightblood, but before she can subject herself to the radiation, Abby destroys the machine, with her hallucinations having convinced her that Clarke would die. In Arkadia, Jaha overhears Niylah use a phrase associated with the cult who built the shelter, and believes that the shelter he found was a decoy. Suspecting Gaia may have information that could lead to the real shelter, he, Kane and Monty go to Polis, where the Tree People are fighting the Ice Nation for control. Gaia helps them deduce that the shelter is beneath Polis, and they find it using a talisman found at the decoy shelter.|
|54||9||"DNR"||Mairzee Almas||Miranda Kwok||April 26, 2017||T27.13260||0.81|
|Clarke struggles to keep the peace in Polis after word of Jaha's discovery of the shelter spreads, which makes other clans, including Roan's and Indra's, want a part of the shelter for their own people. At Arkadia, Jasper and Bellamy get into an argument when Jasper and other like-minded youth of the original 100 want to stay behind to celebrate the end of the world, while Bellamy wants to lead the remainder of Arkadia's 400-plus population to the shelter before the death wave arrives in less than six days and wipes out all life. Meanwhile, Raven decides to stay behind at the lab as she is haunted by Becca's hallucination urging her to continue the space rocket repairs as Murphy and Emori decide to head out to the shelter. Elsewhere, Octavia struggles to adjust to living at Ilian's farm until a brutal and lethal encounter with three hostile grounders make her realize that she cannot run away from her past.|
|55||10||"Die All, Die Merrily"||Dean White||Aaron Ginsburg & Wade McIntyre||May 3, 2017||T27.13259||0.85|
|A battle is held at Polis to determine which clan will get the shelter by putting one warrior from each clan in a enclosed area for a fight to the death. Octavia volunteers to represent her people in which she finds herself up against not only Roan, but Ilian, who wants to assist her. Luna also partakes for her own agenda. She claims to have lost all hope in humanity after Clarke and Abby's morally questionable Nightblood experiments, and believes nobody deserves to survive. However, not all of the clans are willing to play fair as Kane and Bellamy try to find out which one is plotting to kill all the participants. Echo is discovered to be cheating without Roan's knowledge, by secretly joining the fight and killing other combatants with arrows. She is banished by Roan as punishment. Octavia decides to team up with Ilian, but he is killed with an arrow to his neck. Later, only three warriors are left; Octavia teams up with Roan to take on Luna, but a storm of black rain arrives which puts both of them at a disadvantage against Luna, who has Nightblood. Although Luna kills Roan, Octavia eventually defeats Luna and becomes the winning champion. She decides to share the shelter equally with the clans, allowing 100 survivors from each clan. However, some members of Skaikru have already taken over the shelter before the end of the battle, and sealed the door shut.|
|56||11||"The Other Side"||Henry Ian Cusick||Julie Benson & Shawna Benson||May 10, 2017||T27.13261||0.86|
|With Jaha having sealed the Second Dawn bunker, he argues with Bellamy over leaving others above ground as the death wave approaches. Abby takes it upon herself to free Bellamy from containment, and subdue Murphy guarding him, to help open the bunker, but Bellamy comes face-to-face with Clarke who stands by Jaha's decision. However, Clarke must make her own choice to whether to stop Bellamy or help him. On the surface, Octavia quarrels with Echo over her involvement in the battle and as a result Octavia and Indra ban her from entering the bunker. At Arkadia, Monty tries to reason with Jasper and the others to travel to Polis to the bunker before it is too late, but Jasper and the others (showing signs of fatal radiation poisoning) decides to end it all with a suicide pact, except for Harper. Elsewhere at the lab, Raven pushes herself to make a tough choice due to both Becca and Sinclair's hallucinations over how to cure her damaged brain and to continue building the space rocket.|
|57||12||"The Chosen"||Alex Kalymnios||Aaron Ginsburg & Wade McIntyre||May 17, 2017||T27.13262||0.83|
|Jaha and Kane disagree over how to handle their grim reality when they must choose only 100 out of their 400 people to shelter at the Second Dawn bunker to make room for the rest of the 1,200 grounders that want to place their own survivors there as well. It all leads to holding a lottery which threatens to tear the fragile plans apart. Abby asks Kane to let her give up her place to make space for others. Meanwhile, Clarke leads Bellamy, Murphy, and Emori, to save Raven, who still is at the lab. However, they run into a grounder clan, which wreck their truck until Echo appears to save them. With no time to return to Polis, Monty and Harper are called into transport the group to the lab, where they decide to go to space before the death wave reaches them.|
|58||13||"Praimfaya"||Dean White||Jason Rothenberg||May 24, 2017||T27.13263||0.91|
|As the death wave hits Polis and the Second Dawn bunker, Clarke, Bellamy, Murphy, Emori, Monty, Harper and Echo gather at the lab along with Raven to get the rocket ready to travel to the remains of the Ark in its decaying orbit to resettle. Monty is incapacitated after going out along with Murphy to obtain an oxygen generator to install in the Ark. Bellamy stops Echo from committing suicide by persuading her to make a difference with their work. With only 90 minutes before the radioactive pyroclastic wave of the death wave hits, Clarke decides to stay behind to climb to the top of a 300-foot antenna tower to realign the dish in order to program power for the Ark prior to launch. The rocket's launch is successful, and Raven spacewalks to the Ark to dock the rocket pod. After programming power for the Ark, Clarke runs to the lab with the death wave right behind her, but upon arriving, she is revealed to have been affected by the radiation. On the Ark, Raven's group almost runs out of air before the oxygen generator is installed. Six years and seven days later, Clarke is revealed to have survived the death wave and has been living in the lab and the area along with a young nightblood girl. While Clarke tries to make contact with the Ark, a spacecraft lands on Earth. Realizing the danger, Clarke and the girl run and hide.|
Season 1 (2014)
|1||"Pilot"||March 19, 2014||0.9/3||2.73|
|2||"Earth Skills"||March 26, 2014||0.7/2||2.27|
|3||"Earth Kills"||April 2, 2014||0.6/2||1.90|
|4||"Murphy's Law"||April 9, 2014||0.5/2||1.69|
|5||"Twilight's Last Gleaming"||April 16, 2014||0.5/2||1.80|
|6||"His Sister's Keeper"||April 23, 2014||0.6/2||1.97|
|7||"Contents Under Pressure"||April 30, 2014||0.6/2||1.88|
|8||"Day Trip"||May 7, 2014||0.6/2||1.64|
|9||"Unity Day"||May 14, 2014||0.6/2||1.73|
|10||"I Am Become Death"||May 21, 2014||0.5/1||1.46|
|11||"The Calm"||May 28, 2014||0.6/2||1.71|
|12||"We Are Grounders – Part I"||June 4, 2014||0.6/2||1.58|
|13||"We Are Grounders – Part II"||June 11, 2014||0.5/2||1.68|
Season 2 (2014–15)
|1||"The 48"||October 22, 2014||0.5/1||1.54|
|2||"Inclement Weather"||October 29, 2014||0.5/2||1.48|
|3||"Reapercussions"||November 5, 2014||0.5/2||1.68|
|4||"Many Happy Returns"||November 12, 2014||0.5/2||1.75|
|5||"Human Trials"||November 19, 2014||0.6/2||1.64|
|6||"Fog of War"||December 3, 2014||0.6/2||1.86|
|7||"Long Into an Abyss"||December 10, 2014||0.6/2||1.62|
|8||"Spacewalker"||December 17, 2014||0.5/2||1.40|
|9||"Remember Me"||January 21, 2015||0.5/2||1.48|
|10||"Survival of the Fittest"||January 28, 2015||0.5/2||1.53|
|11||"Coup de Grace"||February 4, 2015||0.5/2||1.51|
|12||"Rubicon"||February 11, 2015||0.5/2||1.36|
|13||"Resurrection"||February 18, 2015||0.5/1||1.42|
|14||"Bodyguard of Lies"||February 25, 2015||0.5/1||1.55|
|15||"Blood Must Have Blood, Part One"||March 4, 2015||0.5/1||1.49|
|16||"Blood Must Have Blood, Part Two"||March 11, 2015||0.4/1||1.34|
Season 3 (2016)
|1||"Wanheda: Part One"||January 21, 2016||0.7/2||1.88||0.4||1.01||1.1||2.89|
|2||"Wanheda: Part Two"||January 28, 2016||0.6/2||1.63||0.4||0.9||1.0||2.54|
|3||"Ye Who Enter Here"||February 4, 2016||0.6/2||1.57||N/A||0.92||N/A||2.48|
|4||"Watch the Thrones"||February 11, 2016||0.5/2||1.32||N/A||0.89||N/A||2.21|
|5||"Hakeldama"||February 18, 2016||0.5/2||1.36||0.4||0.96||0.9||2.32|
|6||"Bitter Harvest"||February 25, 2016||0.6/2||1.41||N/A||0.88||N/A||2.29|
|7||"Thirteen"||March 3, 2016||0.5/2||1.39||N/A||0.80||N/A||2.19|
|8||"Terms and Conditions"||March 10, 2016||0.4/1||1.20||0.4||0.92||0.8||2.13|
|9||"Stealing Fire"||March 31, 2016||0.4/2||1.23||0.4||0.76||0.8||1.99|
|10||"Fallen"||April 7, 2016||0.4/1||1.13||0.4||0.79||0.8||1.98|
|11||"Nevermore"||April 14, 2016||0.4/1||1.08||0.3||0.75||0.7||1.83|
|12||"Demons"||April 21, 2016||0.4/1||1.15||0.3||0.74||0.7||1.89|
|13||"Join or Die"||April 28, 2016||0.4/1||1.27||0.4||0.75||0.8||2.02|
|14||"Red Sky at Morning"||May 5, 2016||0.4/2||1.13||0.3||0.75||0.7||1.88|
|15||"Perverse Instantiation – Part One"||May 12, 2016||0.4/1||1.17||0.3||0.72||0.7||1.89|
|16||"Perverse Instantiation – Part Two"||May 19, 2016||0.5/2||1.29||0.3||0.79||0.8||2.08|
Season 4 (2017)
|1||"Echoes"||February 1, 2017||0.4/2||1.21||0.3||0.75||0.7||1.97|
|2||"Heavy Lies the Crown"||February 8, 2017||0.4/1||1.01||0.3||0.78||0.7||1.79|
|3||"The Four Horsemen"||February 15, 2017||0.4/1||1.05||0.3||0.76||0.7||1.80|
|4||"A Lie Guarded"||February 22, 2017||0.4/1||1.00||0.3||0.70||0.7||1.69|
|5||"The Tinder Box"||March 1, 2017||0.4/1||1.02||N/A||N/A||N/A||N/A|
|6||"We Will Rise"||March 15, 2017||0.3/1||0.98||0.4||0.73||0.7||1.72|
|7||"Gimme Shelter"||March 22, 2017||0.3/1||0.90||0.3||0.74||0.6||1.63|
|8||"God Complex"||March 29, 2017||0.3/1||0.97||0.3||0.68||0.6||1.65|
|9||"DNR"||April 26, 2017||0.3/1||0.81||N/A||N/A||N/A||N/A|
|10||"Die All, Die Merrily"||May 3, 2017||0.3/1||0.85||N/A||N/A||N/A||N/A|
|11||"The Other Side"||May 10, 2017||0.3/1||0.86||N/A||N/A||N/A||N/A|
|12||"The Chosen"||May 17, 2017||0.3/1||0.83||N/A||N/A||N/A||N/A|
|13||"Praimfaya"||May 24, 2017||0.3/1||0.91||N/A||N/A||N/A||N/A|
|Season||Ep. 1||Ep. 2||Ep. 3||Ep. 4||Ep. 5||Ep. 6||Ep. 7||Ep. 8||Ep. 9||Ep. 10||Ep. 11||Ep. 12||Ep. 13||Ep. 14||Ep. 15||Ep. 16|
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- Porter, Rick (February 23, 2017). "'This Is Us' and 'Timeless' lead the week 21 broadcast Live +7 ratings". TV by the Numbers. Retrieved February 23, 2017.
- Porter, Rick (March 2, 2017). "'This Is Us' and 'Agents of SHIELD' on top again: Week 22 broadcast Live +7 ratings". TV by the Numbers. Retrieved March 2, 2017.
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