List of The Expanse episodes

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The Expanse is an American science fiction television series that premiered on December 14, 2015, on Syfy. The series was developed by Mark Fergus and Hawk Ostby, based on the series of novels by Daniel Abraham and Ty Franck, writing under the pseudonym James S. A. Corey. Set in a future where humanity has colonized the Solar System, it follows United Nations executive Chrisjen Avasarala (Shohreh Aghdashloo), police detective Josephus Miller (Thomas Jane), and ship's officer James Holden (Steven Strait) and his crew as they unravel a conspiracy that threatens peace in the system and the survival of humanity. On May 11, 2018, Syfy canceled the series after three seasons.[1] However, on May 26, Amazon Video announced it had picked up the series for a fourth season.[2][3]

On July 27, 2019, Amazon renewed The Expanse for a fifth season,[4] which premiered on December 15, 2020.[5][6] In November 2020, the series was renewed for a sixth and final season.[7]

As of January 19, 2021, 54 episodes of The Expanse have been released, currently in its fifth season.

Series overview[edit]

SeasonEpisodesOriginally released
First releasedLast releasedNetwork
110December 14, 2015 (2015-12-14)February 2, 2016 (2016-02-02)Syfy
213February 1, 2017 (2017-02-01)April 19, 2017 (2017-04-19)
313April 11, 2018 (2018-04-11)June 27, 2018 (2018-06-27)
410December 12, 2019 (2019-12-12)Prime Video
510[5]December 15, 2020 (2020-12-15)February 3, 2021 (2021-02-03)[8]

Episodes[edit]

Season 1 (2015–16)[edit]

No.
overall
No. in
season
TitleDirected byWritten byOriginal air dateU.S. viewers
(millions)
11"Dulcinea"Terry McDonoughMark Fergus & Hawk OstbyDecember 14, 2015 (2015-12-14)[a]1.19[10]
The series opens with Julie Mao in a spacesuit alone aboard a spaceship. On the dwarf planet Ceres, Detective Miller is assigned to find Mao and return her to her rich parents on Luna. In New York, UN executive Chrisjen Avasarala interrogates a captured operative of the Outer Planets Alliance (OPA), a militant Belter group, about contraband stealth technology. On its way to Ceres, the ice hauler Canterbury receives a distress signal from the freighter Scopuli, and acting Executive Officer Jim Holden is ordered to lead a rescue mission with the ship's engineer Naomi Nagata, the mechanic Amos Burton, the pilot Alex Kamal, and the medic Shed Garvey. They find the ship empty but for a distress transmitter, but as their shuttle heads back to the Canterbury, a stealth ship destroys the ice carrier with nuclear torpedoes.
22"The Big Empty"Terry McDonoughMark Fergus & Hawk OstbyDecember 15, 2015 (2015-12-15)0.854[11]
On Ceres, Miller investigates the theft of water, now severely rationed due to the Canterbury's failure to arrive. In Julie Mao's apartment, he finds clues placing her aboard the Scopuli. On Earth, Avasarala sends the suspected OPA captive to Luna after her superior, Undersecretary Sadavir Errinwright, disapproves of "gravity torture", but the captive commits suicide. In the asteroid belt, the Canterbury's shuttle is damaged by debris from the ice hauler's destruction. Using the last of their air, the survivors build an improvised antenna to place a distress call, which is responded to by the Martian Congressional Republic Navy (MCRN) flagship Donnager. After Nagata identifies the distress transponder aboard the Scopuli as using Martian military technology, Holden broadcasts a message to that effect to the Solar System, as insurance against being killed as inconvenient witnesses.
33"Remember the Cant"Jeff WoolnoughRobin VeithDecember 22, 2015 (2015-12-22)[b]0.676[13]
Holden's broadcast triggers protests on Ceres, with the OPA blaming Mars for the destruction of the Canterbury. In the course of violent riots, Miller's partner Havelock is attacked, almost fatally, and a man with the handle "Nightbandit31", with whom Mao was in contact, is killed. On Earth, Avasarala tests her theory that Mars was behind the attack by leaking to Mars information about the transfer of Martian stealth technology to the OPA. She deduces from the panicked Martian reaction that Mars was not responsible – but that somebody else wants to start a war. Aboard the Martian warship Donnager, the Canterbury's survivors are detained and questioned, with Nagata in particular being suspected of being part of an OPA sleeper cell. Complicating matters further, an unidentified ship flies towards the Donnager, ignoring all requests to divert or identify itself.
44"CQB"Jeff WoolnoughNaren ShankarDecember 29, 2015 (2015-12-29)[b]0.633[14]
On Ceres, Miller identifies the dead "Nightbandit31" as Bizi Betiko, only to later discover the real Betiko is still alive. Miller then learns that the deceased was a data broker with multiple spoofed electronic ID's and an implanted, encrypted memory storage device. In the asteroid belt, the Donnager's pursuers reveal themselves as six ships of the type that had attacked the Canterbury, and they open fire on the Donnager. Unexpectedly at a technological disadvantage, the Martian ship takes heavy damage, and Shed Garvey is killed by a railgun shot. As the Donnager is being boarded, the surviving Canterbury crew is evacuated on the Martian captain's orders, hoping to spare Holden as a witness to the attackers. The crew narrowly escapes aboard a frigate from Donnager's bay, right before the Donnager self-destructs to avoid capture. Far from the battle, at Tycho Station, a massive generation ship, the Nauvoo, is being built at the behest of the Church of Jesus Christ of Latter-day Saints. Station manager Fred Johnson, who's tied to the OPA, turns the Nauvoo's sensors towards the battle.
55"Back to the Butcher"Rob LiebermanDan NowakJanuary 5, 2016 (2016-01-05)0.631[15]
For lack of options, the Canterbury's survivors accept a proposal by Fred Johnson to join him at Tycho Station, and with his help they modify the ship's transponder, renaming their salvaged ship the Rocinante, to hide the fact that it's a Martian warship. A flashback shows how Johnson became "the Butcher of Anderson Station" eleven years ago: as a UN Marine colonel, he led an assault on a station occupied by protesting miners, killing all despite their attempts at surrender. On Ceres, Miller finds evidence linking Julie Mao to the OPA, which tries to recruit him through its local agent Anderson Dawes. While leaving Julie's apartment with the data chip, Miller is abducted by unknown people.
66"Rock Bottom"Rob LiebermanJason NingJanuary 12, 2016 (2016-01-12)0.713[16]
On Ceres, Miller is interrogated and tortured by Dawes, demanding to know what he has learned about Julie. Miller escapes with fellow officer Octavia Muss and discovers revealing information on a hidden data cube, a major secret. Upon revealing his discovery to his boss, she fires Miller and takes all information regarding the case. Avasarala wants a spy on Tycho Station and resorts to extortion to get her way. Holden and crew arrive at Tycho Station, with Fred Johnson planning to leverage Holden's testimony for legitimacy with the UN. Holden makes an uneasy alliance, sharing everything he knows about the destruction of the Canterbury and the MCRN Donnager. Johnson seems fairly convinced neither Earth nor Mars was behind the attacks. After disguising the Rocinante as a simple gas hauler, they set out for Eros to pick up a potential survivor of the Scopuli.
77"Windmills"Bill JohnsonDaniel Abraham & Ty FranckJanuary 19, 2016 (2016-01-19)0.502[17]
During a visit to Holden's co-op parents' house in Montana, Avasarala learns of Holden's troubled childhood and gains some insight into his recent decisions. On their way to Eros, the crew of the Rocinante realize too late that Kenzo, a spy from Tycho station, is on board and has inadvertently gotten the attention of a Martian patrol. Kenzo helps obtain the MCRN codebook from the ship's safe, and with a few code words the patrol backs off, believing the Rocinante to be a Martian black ops ship. Miller departs Ceres for Eros, with a new piece to the mysterious puzzle surrounding Julie Mao.
88"Salvage"Bill JohnsonRobin VeithJanuary 26, 2016 (2016-01-26)0.721[18]
The Rocinante arrives at their true destination, an asteroid at coordinates given by Fred Johnson, and discovers the Anubis, the stealth ship that had destroyed the Canterbury. It is empty except for a mysterious, spreading, organic substance that covers the ship's reactor. They scuttle the stealth ship, then head to Eros to find a survivor of the Scopuli code-named Lionel Polanski, who escaped the Anubis on its shuttle. Miller is also tracking down Polanski, identifying her as Julie Mao. Arriving at Eros, Holden and his team are ambushed at the hotel where Polanski is staying by a UN black ops team (signaled by Kenzo and authorized by Errinwright), but are saved by Miller. After joining up, Holden's team and Miller go to meet Julie Mao only to find her already dead, infected by the substance from the Anubis.
99"Critical Mass"Terry McDonoughRobin Veith & Dan Nowak and Naren ShankarFebruary 2, 2016 (2016-02-02)0.555[19]
The events leading up to Julie Mao's infection by the unknown biohazard on the Anubis and her gruesome death in her hotel room on Eros are revealed in a flashback. Fred Johnson broadcasts evidence that the stealth ships were built on Earth. After Miller and the Rocinante crew flee the hotel, Julie's body is found and studied by Dresden, a scientist working for Julie's father Jules-Pierre Mao, who harvests her infected blood. Under the guise of a ship explosion and radiation leak, mercenaries loyal to Julie's father and Dresden place Eros into lockdown and seal the poverty-stricken citizens into radiation shelters after infecting them with Julie's blood. Most of the Rocinante crew head back to the ship, while Miller and Holden go to investigate the shelters. Discovering their true purpose as incubators for the infection, with everyone inside dead or dying, they also receive a lethal dose of radiation.
1010"Leviathan Wakes"Terry McDonoughMark Fergus & Hawk OstbyFebruary 2, 2016 (2016-02-02)0.555[19]
The Rocinante crew, Miller and Holden suffering from radiation sickness, make their separate ways through the increasingly horrific situation on Eros towards the ship. They theorize that the conspirators behind the stealth ships are using the population as food for the "protomolecule" infection. Miller begins to see hallucinations of Julie Mao. Amos kills Miller's friend, Inspector Sematimba, after he holds Nagata at gunpoint when she refuses to launch the Rocinante without Holden. Miller and Holden make it to the ship, which escapes, and are treated for radiation sickness. On Earth, Avasarala's investigation is stopped by Errinwright, who is part of the Mao conspiracy. On Eros, the UN spy Kenzo is left to be consumed by the rapidly advancing protomolecule infesting the colony.
  1. ^ The first episode was released online on November 23, 2015.[9]
  2. ^ a b The third and fourth episodes were released online after the second episode aired on December 15, 2015.[12]

Season 2 (2017)[edit]

No.
overall
No. in
season
TitleDirected byWritten byOriginal air dateU.S. viewers
(millions)
111"Safe"Breck EisnerMark Fergus & Hawk OstbyFebruary 1, 2017 (2017-02-01)0.700[20]
The season opens with Martian Marine gunnery sergeant Bobbie Draper and her team undergoing combat training on Mars. They are deployed to Phoebe Research Station, which had been reported as being attacked. The United Nations debates blockading MCRN fleet deployments; Avasarala backs the measure but privately believes that she is being prepared by Errinwright as a scapegoat, and hires private security. An MCRN vessel fires on a UNN vessel; the UN elects not to fire back, figuring that the Martian missiles were saber-rattling. The missiles pass the UNN vessel and destroy Phoebe Station. Draper believes that war with Earth is good; her commanding officer, Sutton, believes war must be avoided. Holden and Miller recover from radiation sickness; Miller and Amos have a violent disagreement that is broken up by Naomi. The Rocinante crew finds a protomolecule sample in a cryogenic safe recovered from the Anubis and decide to hide it in a debris field. Naomi and Holden perform repairs to the Rocinante and their personal relationship deepens. Alex cooks lasagna for the crew of the Rocinante, and over dinner tensions are eased.
122"Doors & Corners"Breck EisnerDaniel Abraham & Ty FranckFebruary 1, 2017 (2017-02-01)0.700[20]
Avasarala hires freelance spy Cotyar Ghazi. The Rocinante crew's arrival at Tycho Station is tense, but the situation is defused by explaining what is happening on Eros and where the data is going. Fred Johnson pulls together a strike team from rival Outer Planets Alliance factions, killing one of their leaders in the process. Rocinante is assigned as the mission's muscle in the assault on Thoth Station, engaging the station's defenses and clearing a path for the boarding party. The station is not prepared to defend itself, and falls easily to the team. Capturing the lead scientist on the project, Dresden, and an underling, Cortazar; Dresden is uninterested in who he answers to as long as he can continue his work. Dresden explains the source, dangers, and possibilities of the protomolecule and tries to convince Holden and Johnson to let him continue the project, but Miller shoots him in the head.
133"Static"Jeff WoolnoughRobin VeithFebruary 8, 2017 (2017-02-08)0.587[21]
Earth destroys Mars's moon Deimos in response to the MCRN's nuking of Phoebe. This creates tensions in Bobbie Draper's squad. Holden and his crew return to Tycho Station, angry at Miller for killing Dresden, the lead scientist on the protomolecule project. Fred Johnson offers Miller safe passage off Tycho, but Miller's investigations show that action must be taken against Eros. Johnson and Holden reach the same conclusion when Amos figures out how to get the captured scientist Cortazar to talk. Miller realizes that Eros must be destroyed, and that Fred Johnson has the equipment necessary to do so: the Nauvoo.
144"Godspeed"Jeff WoolnoughDan NowakFebruary 15, 2017 (2017-02-15)0.534[22]
Avasarala gathers information linking the protomolecule to Jules-Pierre Mao, Julie's father. Miller's plan is put into action. After assembling a demolition team and procuring the Rocinante's services for cover, the Nauvoo is evacuated of its people, commandeered, and set on a collision course to knock Eros into the Sun. After flying to Eros, Rocinante drops its cargo of bombs and the demolition team spacewalks to them for precise placement in order to seal the surface of the asteroid. A complication arises when a group of humanitarian doctors is found who will not follow Holden's orders, so he destroys their ship to prevent spreading the protomolecule infection. The debris damages one of Miller's bombs, and he chooses to stay with it on Eros, watching the Nauvoo approach, but no collision takes place. Holden and crew confirm that the Nauvoo did not miss – despite having no human-built propulsion system capable of doing so, Eros maneuvered to avoid the impact.
155"Home"David GrossmanMark Fergus & Hawk OstbyFebruary 22, 2017 (2017-02-22)0.600[23]
Eros is speeding on collision course for Earth. Miller and the crew decide that Miller will bring the bomb into the heart of Eros to destroy it and then escape back to the Rocinante. On Earth, the United Nations decides to fire its planetary defense nuclear missiles at the incoming Eros, but the asteroid evades them by 'going stealth', ceasing to reflect radar. The Rocinante crew use their proximity to the asteroid to provide a target lock to Fred Johnson, who will guide the missiles to Eros. Eros reacts to this by accelerating still faster; to maintain visual contact, the Rocinante accelerates at the limits of human endurance and finally gives up the chase. Miller arrives with the bomb at the heart of Eros and discovers a transformed Julie Mao. While the protomolecule has infected her and Eros, she has in some way infected it back, and can influence Eros's trajectory. With a combination of words and affection, and after removing his protective spacesuit, Miller convinces her to redirect Eros away from Earth toward Venus, where it crashes in a planetary-scale event.
166"Paradigm Shift"David GrossmanNaren ShankarMarch 1, 2017 (2017-03-01)0.625[24]
Flashbacks show Martian colonist Solomon Epstein envisaging a future where Mars is freed from Earth's control by use of his fusion drive. In the present, Avasarala demands Errinwright bring Mao out of hiding by threatening Mao's family and business empire. On Tycho, Fred Johnson's idea to use the thirty missing nukes as a bargaining chip against Earth and Mars angers Holden. The Rocinante crew commiserate over Miller's death and agree to launch the protomolecule sample into the sun. Naomi fakes the launch; the others believe there is no sample left. On Ganymede, Bobbie Draper and her marines are sent to patrol the agricultural farms. They see UN marines running towards them, firing. Their comms are jammed. The UNN and MCRN fleets in orbit each think the jamming is part of an attack by the others. A full scale battle breaks out in orbit. This destroys several of the giant orbital mirrors. The crashing wreckage devastates the colony. The Scirocco comes under fire and Sutton is killed. After the battle, an injured Bobbie awakes to find her team massacred and an inhuman figure standing over her.
177"The Seventh Man"Kenneth FinkGeorgia LeeMarch 8, 2017 (2017-03-08)0.451[25]
After the Ganymede battle, Bobbie is rescued by the MCRN and asked to report the events, which some of her superiors do not believe. On Earth, Avasarala demands a peace summit between Earth and Mars to prevent further escalation of the tension, in which both planets believed the other fired first on Ganymede. Over three thousand people were killed in the Ganymede Incident, and the massive damage to the colony destroyed the agricultural domes that the Belt depends on – leading to a starvation and refugee crisis. On Tycho Station, a recently arrived Anderson Dawes is asked to represent the Belt in negotiations for peace with Earth and Mars, but Dawes convinces the Belters that Earth and Mars will never respect the Belt. Bobbie is ordered to Earth to the peace summit, and to tell Earth that Mars fired first accidentally, despite Bobbie remembering the presence of an alien figure the UN marines were fleeing from. On Tycho, Dawes becomes aware of Cortazar's presence and knowledge. Cortazar is later found to be missing from his cell, leading Alex and Naomi to chase after an escaping ship, only to find Diogo aboard and Dawes and Cortazar gone.
188"Pyre"Kenneth FinkRobin VeithMarch 15, 2017 (2017-03-15)0.460[26]
Aboard a Ganymede refugee ship, Praxidike Meng and others are headed for safety as he privately mourns the loss of his daughter Mei, who was supposedly killed when the mirrors fell from orbit. The ship's crew throws refugees from the inner planets out of the airlock, reflecting the rising tension between the Belters and the Inners. Prax's ship later arrives at Tycho Station, which is inundated with thousands of refugees from Ganymede. Meanwhile, Fred Johnson receives a message from Dawes, who tells him that he's giving back the weapon (Cortazar's protomolecule information) to the Belt. This earns support among the Belters on Tycho, who storm the hangar and take Fred and his subordinate Camina Drummer hostage, wanting to launch the missiles back to Earth in order to provoke a fight, but are unsuccessful when the Rocinante crew intervenes. The crew discovers that a protomolecule 'shout' (signal) came from Ganymede at the time of the battle and discover a pediatrician, Dr. Strickland, who used to work for Protogen, was also on Ganymede. Prax reveals that his daughter Mei was a patient of Strickland's and footage shows Strickland leaving the pediatric clinic with Mei one hour before the battle. Prax, with the crew, set off for Ganymede with renewed hope his daughter is still alive.
199"The Weeping Somnambulist"Mikael SalomonHallie LambertMarch 22, 2017 (2017-03-22)0.471[27]
Approaching Jupiter, the crew of the Rocinante realize that their ship is too obvious, so they commandeer the Weeping Somnambulist, unable to convince that crew they mean no harm. The Mars delegation arrives on Earth for peace negotiations, and Bobbie Draper gives testimony that makes it look like Mars started the battle of Ganymede by accident. Alex takes the Rocinante to hide behind a Jovian moon, awaiting a call from the crew for pickup or rescue, and Prax is unimpressed with the crew's planning abilities. Upon arrival, Holden and Amos realize something is wrong on the Somnambulist and, while attempting to intervene, one of the Somnambulist's crew is killed. A research vessel in orbit around Venus, the Arboghast, discovers that the Eros impact zone is teeming with unexplained activity, information that Avasarala matches with Bobbie Draper's additional testimony to realize that the solar system is still in danger.
2010"Cascade"Mikael SalomonDan NowakMarch 29, 2017 (2017-03-29)0.573[28]
Despite chastisement from her commanding officers, Bobbie sneaks out of the Martian embassy to see the ocean. She passes through an enclave of street people under some overpasses along the way. Errinwright confesses to Avasarala his role in helping Jules-Pierre Mao with the Eros incident. Avasarala approaches Bobbie with images of the inhuman figure from Ganymede, now believing Mao created it as a weapon which could wind up in Mars' possession. On Ganymede, Amos beats an information dealer for footage of Dr. Strickland taking Mei to the oldest part of Ganymede station. Prax realizes too much damage has been done to Ganymede's ecosystem to ever repair it. Alone on the Rocinante, Alex receives the MCRN alert declaring Ganymede a no-fly zone.
2111"Here There Be Dragons"Rob LiebermanGeorgia LeeApril 5, 2017 (2017-04-05)0.504[29]
Bobbie forces Captain Martens to reveal Jules-Pierre Mao's protomolecule technology project. A demonstration of it caused the Ganymede Incident and triggered the battle in orbit. The technology is now for sale. Bobbie takes the information to Avasarala at the UN and requests political asylum. Mao offers to explain everything to Avasarala if she meets with him outside of UN control. She accepts over Cotyar's objections. The research team aboard the UNS Arboghast lands a probe on Venus. They see a massive protomolecule structure before the probe fails. Alex uses a Gravity slingshot to sneak the Rocinante past the MCRN blockade of Ganymede. Holden and crew explore the old part of the station. They find guards and scientists having a pizza party. After Prax starts a gun fight, the survivors barricade themselves in a back room. Holden and Prax realize the protomolecule monsters are actually Belter children with genetic peculiarities and deliberately infected with protomolecule. The fate of Mei is unclear. Most of the enemy is killed by a protomolecule monster, but a dying scientist says there are plenty more out there. The party splits. Naomi and Amos evacuate people off Ganymede, while Holden, Prax, and Alex hunt the protomolecule monster on the surface.
2212"The Monster and the Rocket"Rob LiebermanMark Fergus & Hawk OstbyApril 12, 2017 (2017-04-12)0.515[30]
Errinwright expresses remorse to Avasarala as she departs to Mao's ship with Bobbie and Cotyar. Mao claims he will give both Earth and Mars access to the protomolecule while he sits comfortably in the middle, preventing war. Errinwright meets with Martian Defense Minister Korshunov, poisoning him with a banned toxin for Martians that makes it look as if he died from a heart attack while also ordering the destruction of the Martian black-ops ship MCRN Karakum that was dispatched to collect the protomolecule monster on Ganymede. Errinwright subtly orders Mao to kill Avasarala and tie up loose ends. Holden becomes increasingly aggressive while hunting the protomolecule monster. Naomi and Amos repair the Somnambulist and though it can carry up to 300 people, there is only enough oxygen in the air tanks for 52 people, while over 100 refugees riot at the door. Naomi, with the help of a Belter who gives up his spot to her, manages to evacuate all the children and some young adults. When the Somnambulist is fired upon for violating the MCRN blockade, Alex convinces Holden to save them, threatening the MCRN ships with the Rocinante's arsenal. The protomolecule monster is shown to have stowed away aboard the Rocinante.
2313"Caliban's War"Thor FreudenthalDaniel Abraham & Ty Franck and Naren ShankarApril 19, 2017 (2017-04-19)0.581[31]
The protomolecule monster is found in the cargo bay on the Rocinante. It attacks Holden, crushing his leg and pinning him to the wall. It tears out panels to get to the reactor core for its radiation. Amos says the only way to get rid of it is to use the air on the ship as a pressurized blast to force it into space, which would also kill Holden. Prax sees the monster craves radiation and suggests the nuclear core in a ship's missile could lure it out. Naomi and Prax expose a core; Prax throws it into space. The monster jumps after it and is incinerated by the main engine. Cotyar is wounded in a shootout with Mao's men. Bobbie manages to sneak away to get her power armor and saves him and Avasarala. As the science team on the Arboghast begins a descent to the surface of Venus to examine the protomolecule structure, the ship is stopped and disassembled in an increasing spherical pattern. Naomi confesses to Holden that she never destroyed their protomolecule sample; with Earth and Mars already fighting over it, the Belt needed it too, so she gave it to Fred Johnson. On Io, Mei and other children are shown to be kept in stasis by Dr. Strickland.

Season 3 (2018)[edit]

No.
overall
No. in
season
TitleDirected byWritten byOriginal air dateU.S. viewers
(millions)
241"Fight or Flight"Breck EisnerMark Fergus & Hawk OstbyApril 11, 2018 (2018-04-11)0.653[32]
The crew cleans up the Rocinante, missing a small piece of protomolecule in the process. They also conduct repairs and rename the ship Pinus Contorta to hide during escalating tension between Earth and Mars. Errinwright convinces the UN to declare war, Mars blames Earth for the assassination of defence minister Korshunov, and everyone wonders what is happening on Venus. Things are strained between Naomi and the crew. Though Naomi wants them to dock at Tycho, Holden picks up a protomolecule signal on Io, convincing the others to find answers for Prax. Fred Johnson reaches out to Dawes to use the scientist and protomolecule to work together, and orders the Nauvoo retrieved as the Belt must unite as one nation. Errinwright frames Avasarala for Eros and says she is the one working with Mao, having missiles fired at Mao's ship to kill her. Bobbie, Avasarala and Cotyar force one of the employees of the ship, Theo, to help them gather evidence to expose Errinwright, then Bobbie and Avasarala escape on Mao's racing ship Razorback, while Theo and Cotyar escape on a landing shuttle.
252"IFF"Breck EisnerDaniel Abraham & Ty FranckApril 18, 2018 (2018-04-18)0.500[33]
As the civilians of Earth get more afraid about war with Mars, Esteban calls in old friend Methodist pastor and Doctor Annushka "Anna" Volovodov; to help convince the people that God is on Earth's side. Anna irritates Errinwright by calling for restraint. Jules-Pierre Mao visits Dr Strickland on Io, considering shutting down the whole project, though Strickland reveals the children of Ganymede can be controlled hosts for the protomolecule, including Mei. Pursuing the Razorback, Errinwright's men fire again and Avasarala's body cannot take the force of acceleration needed to escape. Bobbie sends out a Martian distress signal that is picked up by Holden's crew. Holden and Amos want to ignore it and Alex and Naomi want to help. Prax breaks the tie and decides to assist them. Holden has torpedoes fired around the Razorback as a shield and then uses an explosion for cover to get in close to disable the UN ship's engines. After Amos saves his life, Prax admits he is scared of what he will find on Io, though Amos says Prax shouldn't give up on his daughter. As Avasarala passes out, she and Bobbie are picked up by a stunned Holden and crew.
263"Assured Destruction"Thor FreudenthalDan NowakApril 25, 2018 (2018-04-25)0.553[34]
Errinwright pushes a preemptive strike against Mars' long-range capabilities. Anna tells Esteban to take as few lives as possible so he refuses. Errinwright tells Esteban he must end this war to unite humanity against whatever comes from Venus, so Esteban has Earth launch an attack. A malfunction allows one Martian missile to kill two million people in South America, which Errinwright reveals to Anna. Cotyar and Theo's signal reaches the UNN ship Agatha King. Cotyar kills Theo to maintain the story of Avasarala's death. UNN Admiral Nguyen believes Avasarala to be alive and a traitor, and prepares to charge Cotyar with treason. Captain Souther of the Agatha King believes Cotyar's story about Errinwright, but Nguyen takes command and orders the ship to Io. Mao begins to bond with Mei. He demands the project be shut down when an infected child begins dying. Avasarala recovers and tells the crew of Mao and Bobbie's role on Ganymede. Holden still doesn't want to get involved with the war. Alex gets a message from his family that they don't need him anymore. Avasarala is disgusted Naomi gave the protomolecule to Fred Johnson. Naomi swears to never let Avasarala or Earth get any protomolecule sample.
274"Reload"Thor FreudenthalRobin VeithMay 2, 2018 (2018-05-02)0.590[35]
Drummer retrieves the Nauvoo. Esteban gives Anna's speech but it is revised by Errinwright to further justify destroying Mars before dealing with Venus. Anna is disgusted and prepares to leave. The crew is very low on fuel and prepares to take some from a defeated Martian ship, but find three surviving Martian Marines. Avasarala convinces Holden to send the recording of Errinwright's treason to Anna so she can get through to Esteban; shocking her just as she is about to depart. The three Martians are disgusted they are on a stolen Martian war ship, preparing to capture it by beating Alex and taking him and Naomi hostage. Bobbie is able to talk them down. Holden has the Martian's ship repaired so they can rejoin their fleet, giving them a copy of the Errinwright recording to pass onto their captain, whom Avasarala wants to pass it to the Agatha King. On Io, Dr Strickland secretly keeps working on Mei's infected friend. Mao is initially furious but when he sees that the boy is communicating with the protomolecule on Venus; and learning by ripping out and disassembling his nurse's organs, Mao realizes this is the key to everything.
285"Triple Point"Jeff WoolnoughGeorgia LeeMay 9, 2018 (2018-05-09)0.555[36]
The Martian marines pass the Errinwright recording along to the captain of the Martian Hammurabi. Avasarala admits Earth needs a protomolecule sample but wants to unite humanity and needs Holden's help to end the war. Naomi explains to Holden why she gave the protomolecule sample to The Belt; she has a young son in the Belt and believed that by giving the protomolecule to the Belters, it was a way of protecting her son. At the lab, the boy tells Mao that the work on Venus is almost complete. Mao orders the next subject, Mei, to be infected. Admiral Nguyen orders Mao to turn over control of the protomolecule monsters to him. Souther and his crew attempt mutiny, announcing to both Earth and Mars that they want to stand down, but Nguyen kills Souther and those loyal to him. The UNN ships begin firing on one another. The Hammurabi offers aid to any Earth ship willing to stand down. A wounded Nguyen launches the missiles containing the protomolecule monsters.
296"Immolation"Jeff WoolnoughAlan DiFioreMay 16, 2018 (2018-05-16)0.609[37]
Believing Holden's group to be Martian Marines, Mao and Strickland prepare to use the children as hostages. The boy hybrid attacks Bobbie. A missile hits and infects the Agatha King. Holden captures Mao. Amos kills Strickland. An infected Cotyar destroys the Agatha King to stop the protomolecule. Naomi tells Johnson about the hybrid missiles, and he destroys them. On Earth, Anna exposes Errinwright who admits his treason. Esteban orders Errinwright's arrest. Mao is brought to Avasarala as a prisoner, Bobbie recovers with Alex, Prax spends time with Mei, and Holden reunites with Naomi. A large protomolecule structure takes off from the surface of Venus.
307"Delta-V"Kenneth FinkNaren ShankarMay 23, 2018 (2018-05-23)0.625[38]
The protomolecule forms the Ring, a structure orbiting beyond Uranus. Earth, Mars, and the Belt send fleets to investigate it. The OPA is recognized as the government of the Belt, led by Anderson Dawes and Fred Johnson. Anna flies to the Ring with the UNN fleet. Bobbie, reinstated into the MMC, is with the Martian fleet. Mars sues the Roci crew over the ship. A journalist and her cameraman are allowed onboard on the Roci in exchange for paying the crew's legal fees. The Rocinante escorts the OPA fleet to the Ring. Naomi and Drummer command the OPA flagship Behemoth (formerly Nauvoo). Dawes' representative, former pirate Klaes Ashford, is named Drummer's first officer. Ashford undermines Drummer by preventing her from spacing a drug dealer. A UNN tech crew including Melba Koh is deployed to a support ship in the earth fleet. Koh places a bomb on the ship and kills a coworker who discovers it. A Belter racing ship slingshots through the Ring and is instantly decelerated to a near complete stop, killing the pilot. Holden, alone in his quarters on the Roci, sees Miller sitting on his bed.
318"It Reaches Out"Kenneth FinkMark Fergus & Hawk OstbyMay 30, 2018 (2018-05-30)0.609[39]
Melba hides the body and returns to the Thomas Prince. She briefly meets Anna. Holden keeps scanning himself for brain defects and protomolecule, finding neither. Miller only shows up when he is alone. Using timestamps from Monica's footage Holden determines Miller first appeared when the racer entered the Ring. Monica's cameraman swaps out a circuit on the Rocinante. Miller says he is an Investigator and he and Holden are tools for "it" to get to the Ring. Melba destroys the Seung Un and sends a message with Holden claiming responsibility. The Rocinante is unable to communicate a denial. On the Behemoth Ashford demands they fire on Holden to prove the OPA is not with him. Drummer gives the order. The ship malfunctions but eventually fires. Holden is able to get Amos to give him a minute alone, whereupon Miller says they should aim for the ring but they are moving too fast. Holden convinces Alex to slow down and enter the Ring. The acceleration hurts everyone on board. The ship starts to enter the Ring with the missile just behind it.
329"Intransigence"David GrossmanHallie LambertJune 6, 2018 (2018-06-06)0.568[40]
The missile has been stopped and redirected by the Ring but the Rocinante is unable to communicate or access any weapons. A Martian ship follows them inside; a probe touches the edge of the Ring and vanishes. Cohen the cameraman admits to sabotaging the ship but says he only wanted information and never met the person who contacted him to do this. Amos sends him and Monica out of the ship to be picked up by the Martians to explain Holden's innocence. Unable to repair the ship without Naomi, Holden believes their only option is to surrender to the Martians. On the Behemoth Ashford talks with Naomi to make her realize her heart is still with the Rocinante. Drummer rallies the Belters to enter the Ring but lets Naomi take a shuttle back to her old crew once inside. Flashbacks reveal Melba is the other daughter of Jules-Pierre Mao who could never get his approval as he preferred Julie. Melba intends to destroy Holden for her father. Earth's civilians are evacuated away from the Ring but Anna is able to stay. Miller has Holden investigate the center of the pocket dimension the Ring connects to. Holden detaches himself from the ship and goes towards a structure in the center.
3310"Dandelion Sky"David GrossmanGeorgia LeeJune 13, 2018 (2018-06-13)0.615[41]
The Thomas Prince enters the Ring. Anna and others on board theorize the Ring is trying to isolate potential threats. Anna's friend Tilly recognizes Melba as Clarissa Mao and confronts her. Clarissa attacks Tilly to avoid being revealed. The Investigator admits he is just a construct in Holden's brain attempting to fulfill the protomolecule's mission of discovering what happened to an ancient civilization. As Holden goes towards the station at the center of the pocket dimension he touches a circuit, revealing Miller's last thoughts to get Holden to comply. Believing Holden to be insane, a Martian team including Bobbie follow him. They fire at Holden but the bullets are stopped in mid-air and a Martian lieutenant is disassembled and absorbed by the station when he throws a grenade. The station forces every ship to slow down further, interrupting Clarissa's attack on Tilly. Holden touches the circuit and is shown visions from the protomolecule's point of view. He is shown previous events in reverse before witnessing events in the distant past, planets exploding and a connection to farther away in space, and finally loses consciousness.
3411"Fallen World"Jennifer PhangDan NowakJune 20, 2018 (2018-06-20)0.670[42]
The mass deceleration caused fatalities and severe wounds among all the ships; without gravity internal wounds cannot drain, meaning many more will die. Naomi returns to the Rocinante treating a wounded Amos and Alex. On the Behemoth, Drummer and Ashford are pinned on opposite sides of a large piece of equipment, working together to try to free themselves and learning about each other. Drummer allows it to roll forward, crushing her further to give the ship a captain in Ashford. Once free, to treat Drummer and the others, Ashford commands the ship's drum to create spin gravity, opening the ship to everyone's wounded. Leaving Tilly for dead, Clarissa realizes with all ships being drawn to the center, she can board the Rocinante. However, Tilly survives just long enough to tell Anna the truth. Clarissa boards the ship and attacks Naomi, seeking Holden, but Anna follows and tasers her from behind. On Bobbie's skiff, Holden wakes up and tells her he saw a vision detailing the end of everything.
3512"Congregation"Jennifer PhangDaniel Abraham & Ty FranckJune 27, 2018 (2018-06-27)0.730[43]
Everyone boards the Behemoth with all weapons seized by the OPA. Holden is believed to be insane and Clarissa wears an injection system to impair her abilities. She is locked across from Holden without him knowing who she is. Anna tells her all she can hope for now is forgiveness. Holden tells Ashford the beings that created the Rings and protomolecule were somehow killed and used Rings to destroy planetary systems, attempting to save themselves. Drummer builds herself mechanical legs with help from Naomi, whom she later reunites with Holden. Clarissa can hear Holden's torment as he tries to get Miller to tell him what to do next. Amos takes a liking to Anna. A tech from Earth has the idea to send a damaged skiff with a nuclear missile to try and weaken the field blocking immobilizing ships and blocking the laser communication to the outside world. In response, the station begins charging energy. Ashford realizes the station intends to destroy the entire solar system and convinces the leaders of Earth and Mars to destroy the Ring with the laser, saving humanity at the cost of marooning everyone inside the Ring.
3613"Abaddon's Gate"Simon Cellan JonesDaniel Abraham & Ty Franck and Naren ShankarJune 27, 2018 (2018-06-27)0.606[43]
Holden talks with Miller. The station thinks humans are a threat and Ashford's laser will cause it to destroy the solar system. To calm the station, they must power down the ships. Holden, Naomi and Drummer storm the Behemoth's reactor room. Amos, Alex, Anna and Monica broadcast to the other ships asking them to power down. Ashford frees Clarissa to work on the laser. Bobbie's squad is sent to stop Anna's broadcast. The Marines turn on Bobbie, who defends herself and Alex. Diogo attacks the reactor room in Martian power armor. Naomi crushes him with an elevator to save Drummer. Anna's message convinces the other ships to power down. Ashford orders Naomi and Holden killed, but Clarissa saves them and is shot shutting down the Behemoth. The station releases all the ships. It reactivates the remaining Rings to 1300 habitable planetary systems. Bobbie joins Rocinante's crew. Holden says Miller wanted the other rings open and to find out what killed its creators. It has given humanity something to explore as part of its plan. The Rocinante passes through the Ring barrier while Holden watches some ghostly object seem to speed towards him.

Season 4 (2019)[edit]

No.
overall
No. in
season
TitleDirected byWritten byOriginal release date
371"New Terra"Breck EisnerMark Fergus & Hawk OstbyDecember 12, 2019 (2019-12-12)
Avasarala orders a blockade of settler ships near the Ring Space, wary of the risks of expansion. A convoy of Belter refugee ships from Ganymede attempts to run the blockade; of the few that succeed, the Barbapiccola lands on a planet that is named "Ilus." Avasarala sends Holden there as her envoy, with the rest of his crew joining him, in order to identify any potential protomolecule exposure. Naomi begins taking drugs in order to develop a tolerance to gravity similar to Earth's. On Mars, Bobbie dismantles decommissioned warships for a living, discontented with her plight. With a truce between Earth, Mars, and the Belt in effect, Ashford operates as an OPA peacekeeper, tracking down and neutralizing renegades; Drummer commands the former Behemoth, now renamed Medina Station, which controls the Ring Space. The Earth ship Edward Israel, ferrying a Royal Charter Energy (RCE) expedition backed by Earth and Mars, sends a shuttle to Ilus that is destroyed during its landing; many lives and supplies are lost. The Rocinante crew arrive amid tensions between the surviving shuttle passengers and the Belter settlers that escalate into an armed standoff; it is interrupted when a swarm of alien "bugs" attacks the settlement.
382"Jetsam"Breck EisnerLaura MarksDecember 12, 2019 (2019-12-12)
Avasarala, during her state visit to Mars, invites Bobbie to a state banquet; at the banquet, Bobbie is rebuffed by fellow Martians and offended when she perceives that she is being used to show Avasarala's solidarity with Mars; she rejects a job offer from Avasarala. Bobbie discovers that her nephew, David, is preparing illicit "focus drugs" for a gang. She ends his involvement by subduing those in the gang who arrive to collect the drugs, which she inadvertently destroys. The Rocinante crew navigate the ongoing tensions between the Belters and Earthers; they identify the bugs as protomolecule-based. The drugs Naomi has been taking have not been fully successful. Amos and Security Chief Adolphus Murtry, the expedition's leader, go to the landing pad, where they identify the shuttle's downing as deliberate. During another standoff, Murtry kills Coop, a Belter. Holden, guided by Miller, enters an alien structure near the settlement and removes a root growing through a panel, activating the structure; this triggers a pattern of lightning strikes across Ilus.
393"Subduction"David PetrarcaDan NowakDecember 12, 2019 (2019-12-12)
UN Home Secretary Nancy Gao resigns and runs for UN Secretary-General against Avasarala on a pro-expansion platform. Avasarala's aides uncover a nepotistic scheme that benefited Gao in her career; Avasarala has evidence of it discreetly leaked. Bobbie learns that the gang has kidnapped David and forced him to work off the debt incurred from her destruction of the drugs. Detective Esai Martin, the gang's ringleader, agrees to release David if Bobbie helps them steal military equipment from her workplace. After she eventually complies, Esai releases him. She declines Esai's offer to join his gang. On Ilus, lightning strikes the settlement, damaging the Belters' power generation infrastructure; Amos and Naomi help them repair it. Murtry identifies the Belters responsible for the downing and orders their execution. Holden, accompanied by Alex and RCE biologist Dr. Elvi Okoye, finds another alien structure that was activated; it is displacing wide swathes of ground while moving toward the settlement. Despite Okoye's protests, Holden has Alex destroy the structure with a torpedo from the Rocinante.
404"Retrograde"David PetrarcaMatthew RasmussenDecember 12, 2019 (2019-12-12)
Drummer and Ashford apprehend Marco Inaros, an OPA pirate who is Naomi's former lover and captured the UNN colony ship Sojourner, executed its passengers and stole it. Before OPA faction representatives (Drummer, Ashford, and three others), Inaros criticizes the truce and appeals to Belter solidarity; should they acquit him, he promises to relinquish his gains from the Sojourner, which he claims has been taken apart, and abide by the truce until the Inners break it. Though Ashford and another representative vote to sentence Inaros to death, the two other representatives vote to acquit him. Drummer votes to acquit last. Drummer tells Ashford that if she had voted differently, it might have led to division within the OPA. Bobbie quits her job after attempting to report material theft to her supervisor, only to find out that he is interested in selling more stolen goods. Shortly after, she is arrested for abetting the crime, presumably at the direction of her supervisor. Her charges are dropped once she accepts Esai's offer. Naomi tries to help Dr. Lucia Mazur, a Belter complicit in the downing, escape from Murtry and his forces. Murtry eventually backs down when Holden and Alex intervene and fire the Rocinante's PDCs at his forces. Naomi, Alex, and Lucia go into orbit aboard the ship while Holden remains on Ilus.
415"Oppressor"Jeff WoolnoughDaniel Abraham & Ty FranckDecember 12, 2019 (2019-12-12)
Avasarala and Gao's first public debate, during which Avasarala's attempt to use accusations of nepotism against Gao backfires, is cut short by a security threat; an unidentified ship, initially claiming to be a civilian ship experiencing a system failure, has diverted course toward an Earth asteroid defense platform and gone silent. After the ship is identified as the Sojourner, Avasarala orders its destruction. On Ilus, the Earthers and Belters face off in a tense showdown. Holden reveals his alien connection and reactivation of the alien technology to the settlers to convince both factions into leaving Ilus, but it only further inflames the situation. Lucia and her husband, Jakob, have an argument over her part in the downing and their family falling apart. Feeling guilty, Lucia attempts suicide; Alex saves her, and Naomi counsels her on dealing with guilt, drawing from her own past. An island on the other side of Ilus explodes, causing a shock wave to begin traversing the planet's surface.
426"Displacement"Jeff WoolnoughHallie LambertDecember 12, 2019 (2019-12-12)
Alex and Naomi inform Holden of the explosion and an impending earthquake; it will be followed by a shock wave, and then a tsunami that will destroy the settlement and submerge a third of the continent. Once privy to this knowledge, the settlers finally consent to evacuate Ilus; the Belters only do so after Holden agrees to vouch for their claim on the planet to the UN and Avasarala, which antagonizes Murtry. The explosion prompts Ilus' defenses to shut down the fusion reactors on orbiting ships. When the Israel dispatches a shuttle to begin evacuations, it is incinerated mid-descent. The settlers opt to take shelter in the nearby alien structure and begin evacuating supplies and people. The shock wave arrives near the end of the evacuation, killing some people at the settlement and wrecking many structures. Holden and Okoye finish evacuating everyone into the structure and close up a makeshift water barrier before the surrounding area is flooded. On Mars, the gang's inside man fails to get them past a security door during a heist. Bobbie dons a space suit low on oxygen, climbs a maintenance tower, and manually disables the door's hydraulics before she passes out. Drummer and Ashford obtain video evidence of Inaros' presence on the Belter ship Pizzouza.
437"A Shot In The Dark"Sarah HardingDan NowakDecember 12, 2019 (2019-12-12)
On Ilus, the Earthers and the Belters set up separate camps in the alien structure. Everyone besides Holden, who is immune, has been infected with microorganisms that are growing in their eyes; Okoye determines that the microorganisms will cause blindness. Settlers also start being killed by neurotoxic "slugs" that are growing along and crawling out of the structure's walls from the Ilus oceans. Amidst the fusion shutdown, Lucia devises a solution to keep the Barbapiccola from falling out of orbit: tethering the ship to the Rocinante. After receiving the video evidence of Inaros' location from the OPA, Avasarala orders a team of UN marines to board the Pizzouza and capture Inaros alive with minimal casualties, but he is not found; a firefight breaks out before the ship explodes, killing everyone aboard.
448"The One-Eyed Man"Sarah HardingDan NowakDecember 12, 2019 (2019-12-12)
Avasarala is condemned over the Pizzouza's destruction. In order to salvage her reelection campaign, she leaks images of the environmental disasters on Ilus. Drummer resigns from her position, upset over Fred Johnson giving the evidence of Inaros' location to Earth, as it played into Inaros' scheme of destroying the Pizzouza and causing the deaths of the Belters on it. Ashford plans to independently hunt down and kill Inaros; Drummer, weary of politics, declines Ashford's offer to join him. On Mars, with the gang's upcoming job paying a lot and having many unknowns, Bobbie visits Esai's home to raise her concerns, but he discounts them as the payoff is what he needs to make his family's life better. The crews of the Rocinante and the Barbapiccola successfully tether their ships to one another. In the alien structure, the settlers are all blind now, except for Holden. Running out of options, Okoye tests Holden's optical vitreous humor, finds precancerous cells, and determines that Holden is immune because of his anticancer medication (which he has been taking since absorbing radiation on Eros). She prepares a cure; the blind settlers take it and regain sight. Holden finally sees Miller again, but Miller appears to be glitching in and out, with and without his hat.
459"Saeculum"Breck EisnerDaniel Abraham & Ty FranckDecember 12, 2019 (2019-12-12)
Murtry has the Israel launch a weaponized shuttle at the Rocinante. Alex destroys the shuttle, but the resultant debris damages many of the Rocinante's thrusters and punctures a gas canister, which then knocks Lucia into space; Naomi tethers herself and manages to save her. Alex uses the ship's railgun as a makeshift thruster to maintain orbit. Miller, who can now intermittently overcome his protomolecule programming, tells Holden that he has found a piece of unexploded ordnance on Ilus (fired by the species that killed the protomolecule's creators) that can neutralize Ilus' protomolecule technological network. Led by Miller, Holden uses a portal in the alien structure to travel to another structure on Ilus. There, they find the piece of ordnance in the form of an energy circle. In order to eliminate Holden, Murtry and his second-in-command, Chandra Wei, use the portal to follow Holden. They are followed by Amos and Okoye. Wei confronts Amos; when neither stands down, Amos kills Wei while Murtry shoots and disables Amos. Okoye finds Holden and reveals Amos' predicament, causing Holden to go back for Amos. Intending to go through the energy circle, Miller integrates with the network and takes control of a leftover metal mechanical construct. Holden confronts Murtry and, after a standoff, shoots and disarms him. Despite the structure's attacks on them, Okoye helps Miller reach the energy circle, through which they then fall.
4610"Cibola Burn"Breck EisnerDaniel Abraham & Ty Franck and Naren ShankarDecember 12, 2019 (2019-12-12)
Upon Miller's self-sacrifice, the network is neutralized, ending the fusion shutdown. Murtry and Amos recover aboard the Rocinante. The settlers on Ilus decide to stay, planning to together rebuild the settlement and continue research. Murtry and Lucia are to stand trial for their respective crimes, but Holden sets Lucia free, reporting that she died during the Israel's attack on the Rocinante. While the Israel remains in orbit, the Rocinante and the Barbapiccola head back to the Solar System. The Rocinante crew remove the small piece of protomolecule still on their ship (which Miller had informed Holden of) and fire it into Ilus' sun. Gao wins the election. On Mars, just before the gang's job, Bobbie discerns but fails to prevent an ambush in which Esai and most other members are killed. She, in a message for Avasarala, notifies her of Martians trafficking military weapons with Belters and accepts her job offer. Ashford learns of the trafficking himself before finding Inaros and boarding his ship. After a firefight between their crews, Ashford corners Inaros, only to be ambushed by Filip, Inaros' right hand and his and Naomi's son. Ashford secretly records his conversation with Inaros and ensures its transmission before Inaros drops him out the airlock to his death. Inaros launches asteroids cloaked with Martian stealth technology along vectors toward Earth's asteroid defense blind spots in order to prevent the asteroids' detection; in his tactical display, eight trajectories intersect the Earth's orbit in sequence.

Season 5 (2020–21)[edit]

No.
overall
No. in
season
Title [44]Directed byWritten by [44]Original release date [8]
471"Exodus"Breck EisnerNaren ShankarDecember 15, 2020 (2020-12-15)
A Belter faction attacks a science vessel near Venus, killing all aboard. The Rocinante is at Tycho for long-term repairs. Naomi gets word that her son is on the asteroid Pallas and makes plans to go alone. Holden is contacted by Monica Stuart about protomolecule research she's heard about. Amos is going to Earth to investigate the death of an old friend, and Alex is headed to Mars to try and make amends with his family. Bobbie works with Avasarala to investigate Martian weapons trafficking.
482"Churn"Breck EisnerDaniel Abraham & Ty FranckDecember 15, 2020 (2020-12-15)
Drummer accidentally discovers the remains of Klaes Ashford's ship with great remorse. Amos returns to Earth for his recently deceased foster mother, Lydia, and finds her senior boyfriend Charles is about to be evicted. Amos confronts crime boss Erich to secure Charles' housing, and plans to meet someone before leaving his home planet forever. On Tycho Station, Holden receives a message from Monica, the reporter who claims to have proof of a plot stealing the protomolecule, but later finds she is missing. He eventually rescues Monica, nearly dead, from a shipping container on Tycho. On Mars, Bobbie reveals to Alex that she has been investigating Martian weapons trafficking with the help of Avasarala. Alex fails to approach Admiral Sauveterre, a possible trafficker but finds himself a date with Sauveterre's charismatic personal assistant, Lt. Babbage. Avasarala's concerns about Inaros launching an attack on Earth still fall on deaf ears.
493"Mother"Thomas JaneDan NowakDecember 15, 2020 (2020-12-15)
Drummer finds Ashford's abandoned ship, confirming his death. She extracts the recording in which Marco Inaros describes his plan to go after targets bigger than Tycho or Ceres, and sends it to Fred, who then forwards it to Avasarala. Drummer eventually decides against going after Inaros. Naomi travels to Pallas Station, where she reconnects with Belter friends Cyn and Karal. She eventually meets Filip, who is angry at her, and they take Naomi captive. On Mars, the meeting of Alex and Babbage is fruitless. Later, Alex is attacked by two assailants and is only saved by Bobbie. On Tycho, Monica shows Holden and Fred a video of a fight that occurred on Ceres in which Cortazar can be identified. Sakai, the chief engineer of Tycho, identifies the people who purchased the shipping container in which Monica was discovered, but they find them already killed. Bull, the chief of security, concludes they have a traitor on Tycho working for Marco Inaros. The first of Inaros' stealth asteroids collides with Earth.
504"Gaugamela"Nick GomezDan NowakDecember 22, 2020 (2020-12-22)
Alex and Bobbie take the Razorback, now named Screaming Firehawk, and follow a group of Martian ships they suspect of weapons trafficking. Amos is visiting Clarissa in a high-security underground prison when the second asteroid hits, triggering a lockdown. Avasarala contacts Nancy Gao, warning her of the stealth asteroids. Gao orders to retask the Watchtower satellites for spotting further asteroids right before the third asteroid hits near her plane, destroying it. Her order still goes out, and the next asteroid is spotted and neutralized. On Tycho, the ship coming for the container holding Monica attacks the station. The traitor is revealed to be Sakai, who assassinates Fred Johnson and helps steal the sample of the protomolecule kept on the station. Filip takes Naomi to Marco's ship, where she is locked up. Marco, now in possession of the protomolecule, broadcasts a speech claiming responsibility for the stealth asteroid attacks and declaring his Free Navy as the ruling power of the Sol system as well as all the ring gates.
515"Down and Out"Jeff WoolnoughMatthew RasmussenDecember 29, 2020 (2020-12-29)
Drummer receives Inaros' offer to meet, which she and her crew accept. In the aftermath of the second asteroid impact, Amos and Clarissa are trapped in an underground cell at the prison. Along with three guards and another modded prisoner, they are able to break into a locked-off service ladder in the elevator and climb to the scorched surface. Naomi is held on Marco's ship, where she makes a futile but concealed attempt to assassinate Marco Inaros. She discerns that Rocinante's drive has been sabotaged and manages to send a message to Holden, who avoids launching the Rocinante just in time. Pursuing the Martian ship Barkeith, Alex and Bobbie witness its rendezvous with Belters, but are later spotted and have to fend off a torpedo launch with a last-ditch core dump, leaving their fates uncertain drifting into the void.
526"Tribes"Jeff WoolnoughHallie LambertJanuary 5, 2021 (2021-01-05)
Holden takes the Roci out after verifying their software is valid. Avasarala meets the new Secretary-General, who is out of depth in the crisis and asks for her support. Bobbie and Alex use some trickery to defeat a Belter boarding party and their ship. Drummer's clan meets with Marco. After some tense discussion, they reluctantly align with him. While talking with Filip, Drummer talks about Naomi and her role on board the Behemoth. Filip asks Naomi for details while Marco watches in the surveillance system. Amos and Clarissa avoid government relief sites to make their own way planning to get to Baltimore. Amos mentions to Clarissa his need to rejoin his crew.
537"Oyedeng"Marisol AdlerDan NowakJanuary 12, 2021 (2021-01-12)
548"Hard Vacuum"Marisol AdlerDan NowakJanuary 19, 2021 (2021-01-19)
559"Winnipesaukee"Breck EisnerDaniel Abraham & Ty Franck and Naren ShankarJanuary 27, 2021 (2021-01-27)
5610"Nemesis Games"Breck EisnerDaniel Abraham & Ty Franck and Naren ShankarFebruary 3, 2021 (2021-02-03)

Ratings[edit]

Season 1[edit]

Viewership and ratings per episode of List of The Expanse episodes
No. Title Air date Rating
(18–49)
Viewers
(millions)
DVR
(18–49)
DVR viewers
(millions)
Total
(18–49)
Total viewers
(millions)
1 "Dulcinea" December 14, 2015 0.3 1.19[10] N/A N/A N/A N/A
2 "The Big Empty" December 15, 2015 0.3 0.854[11] N/A N/A N/A N/A
3 "Remember the Cant" December 22, 2015 0.2 0.676[13] N/A N/A N/A N/A
4 "CQB" December 29, 2015 0.2 0.633[14] N/A N/A N/A N/A
5 "Back to the Butcher" January 5, 2016 0.2 0.631[15] N/A N/A N/A N/A
6 "Rock Bottom" January 12, 2016 0.2 0.713[16] 0.3 0.759 0.5 1.472[45][a]
7 "Windmills" January 19, 2016 0.2 0.502[17] N/A 0.688 N/A 1.190[46][a]
8 "Salvage" January 26, 2016 0.3 0.721[18] N/A N/A N/A N/A
9 "Critical Mass" February 2, 2016 0.2 0.555[19] 0.3 0.878 0.5 1.433[47]
10 "Leviathan Wakes" February 2, 2016 0.2 0.555[19] 0.3 0.878 0.5 1.433[47]
  1. ^ a b Live +7 ratings were not available, so Live +3 ratings have been used instead.

Season 2[edit]

Viewership and ratings per episode of List of The Expanse episodes
No. Title Air date Rating
(18–49)
Viewers
(millions)
DVR
(18–49)
DVR viewers
(millions)
Total
(18–49)
Total viewers
(millions)
1 "Safe" February 1, 2017 0.3 0.700[20] N/A 0.907 N/A 1.607[48]
2 "Doors & Corners" February 1, 2017 0.3 0.700[20] N/A 0.907 N/A 1.607[48]
3 "Static" February 8, 2017 0.2 0.587[21] 0.2 0.610 0.4 1.197[49]
4 "Godspeed" February 15, 2017 0.1 0.534[22] 0.3 0.694 0.4 1.229[50]
5 "Home" February 22, 2017 0.2 0.600[23] 0.3 0.640 0.5 1.241[51]
6 "Paradigm Shift" March 1, 2017 0.2 0.625[24] N/A N/A N/A N/A
7 "The Seventh Man" March 8, 2017 0.1 0.451[25] 0.3 0.583 0.4 1.035[52]
8 "Pyre" March 15, 2017 0.1 0.460[26] 0.2 0.552 0.3 1.012[53]
9 "The Weeping Somnambulist" March 22, 2017 0.1 0.471[27] 0.2 0.628 0.3 1.099[54]
10 "Cascade" March 29, 2017 0.2 0.573[28] 0.2 0.677 0.4 1.250[55]
11 "Here There Be Dragons" April 5, 2017 0.2 0.504[29] 0.2 0.541 0.4 1.045[56]
12 "The Monster and the Rocket" April 12, 2017 0.2 0.515[30] N/A 0.565 N/A 1.080[57]
13 "Caliban's War" April 19, 2017 0.2 0.581[31] N/A 0.579 N/A 1.161[58]

Season 3[edit]

Viewership and ratings per episode of List of The Expanse episodes
No. Title Air date Rating
(18–49)
Viewers
(millions)
DVR
(18–49)
DVR viewers
(millions)
Total
(18–49)
Total viewers
(millions)
1 "Fight or Flight" April 11, 2018 0.2 0.653[32] 0.2 0.603 0.4 1.257[59]
2 "IFF" April 18, 2018 0.2 0.500[33] N/A N/A N/A N/A
3 "Assured Destruction" April 25, 2018 0.2 0.553[34] 0.2 0.574 0.4 1.128[60]
4 "Reload" May 2, 2018 0.2 0.590[35] N/A N/A N/A N/A
5 "Triple Point" May 9, 2018 0.2 0.555[36] N/A 0.555 N/A 1.111[61]
6 "Immolation" May 16, 2018 0.2 0.609[37] N/A N/A N/A N/A
7 "Delta-V" May 23, 2018 0.2 0.625[38] 0.2 0.553 0.4 1.179[62]
8 "It Reaches Out" May 30, 2018 0.2 0.609[39] N/A N/A N/A N/A
9 "Intransigence" June 6, 2018 0.2 0.568[40] 0.2 0.629 0.4 1.197[63]
10 "Dandelion Sky" June 13, 2018 0.2 0.615[41] N/A N/A N/A N/A
11 "Fallen World" June 20, 2018 0.2 0.670[42] N/A N/A N/A N/A
12 "Congregation" June 27, 2018 0.2 0.730[43] N/A N/A N/A N/A
13 "Abaddon's Gate" June 27, 2018 0.1 0.606[43] N/A N/A N/A N/A

References[edit]

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External links[edit]