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The Expanse is an American science fiction television series on Syfy, 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 Jim Holden (Steven Strait) and his crew as they unravel a conspiracy that threatens peace in the system and the survival of humanity. It also deals with the fractious relationship between Earth, Mars and the Outer Planets Alliance (OPA). The OPA is an organization that fights for the interests of inhabitants of the (Asteroid) Belt between Mars and Jupiter. Unrecognized as a governing body, the OPA is often accused of outlaw tactics and terrorism.

The Expanse
The Expanse logo.png
Based on The Expanse series of novels
by James S. A. Corey
Developed by
Composer(s) Clinton Shorter
Country of origin United States
Original language(s) English
No. of seasons 2
No. of episodes 23 (list of episodes)
Executive producer(s)
Location(s) Toronto, Canada
Running time 42–44 minutes
Production company(s)
Original network Syfy
Picture format
Audio format 5.1
Original release November 23, 2015 (2015-11-23) – present
External links

The series premiered on demand on November 23, 2015, and on Syfy on December 14, 2015. A 13-episode second season premiered on February 1, 2017. In March 2017, Syfy renewed The Expanse for a 13-episode third season to premiere on April 11, 2018.[1] The series received positive reviews from critics, who highlighted its beautiful visuals, well-developed characters, and thrilling political narrative. It has received a Hugo Award for Best Dramatic Presentation as well as a Saturn Award nomination.



Two hundred years in the future, in a fully colonized Solar System, police detective Josephus Miller (Thomas Jane), born on Ceres in the asteroid belt, is assigned to find a missing young woman, Juliette "Julie" Andromeda Mao (Florence Faivre). James Holden (Steven Strait), the Executive Officer of the ice hauler Canterbury, is involved in a tragic incident that threatens to destabilize the uneasy peace between Earth, Mars and the Belt. On Earth, Chrisjen Avasarala (Shohreh Aghdashloo), a United Nations executive, works to prevent war between Earth and Mars by any means necessary. Soon, the three find out that the missing woman and the ice hauler's fate are part of a vast conspiracy that threatens all humanity.

Cast and charactersEdit


  • Thomas Jane as Josephus "Joe" Aloisus Miller, a Belter detective on Ceres assigned to find Julie Mao[2]
  • Steven Strait as James "Jim" Holden, the Earther captain of the Rocinante, formerly the executive officer of the Canterbury[2]
  • Cas Anvar as Alex Kamal, the Martian pilot of the Rocinante, formerly the pilot of the Canterbury[3]
  • Dominique Tipper as Naomi Nagata, the Belter engineer of the Rocinante, formerly an engineer of the Canterbury[3]
  • Wes Chatham as Amos Burton, the Earther mechanic of the Rocinante, formerly a mechanic of the Canterbury[3]
  • Paulo Costanzo as Shed Garvey, the Canterbury's medical technician[3] (season 1)
  • Florence Faivre as Juliette "Julie" Andromeda Mao, the missing daughter of business tycoon Jules-Pierre Mao
  • Shawn Doyle as Sadavir Errinwright, UN Undersecretary of Executive Administration[4]
  • Shohreh Aghdashloo as Chrisjen Avasarala, UN Assistant Undersecretary of Executive Administration[2]
  • Frankie Adams as Roberta "Bobbie" Draper, a Martian Marine gunnery sergeant[5] (season 2)


  • Chad L. Coleman as Frederick "Fred" Lucius Johnson, "The Butcher of Anderson Station," a former UNN colonel-turned-leader of the OPA[4]
  • Nick E. Tarabay as Cotyar, a security professional working for Avasarala (season 2)
  • Andrew Rotilio as Diogo Harari, a young Belter from Ceres
  • Cara Gee as Drummer, Johnson's Belter second-in-command (season 2)
  • Athena Karkanis as Octavia "Tavi" Muss, Miller's former partner (season 1)
  • Jared Harris as Anderson Dawes, the OPA's Ceres liaison[4]
  • François Chau as Jules-Pierre Mao, the owner of Mao-Kwikowski Mercantile, a subsidiary of Protogen, and Julie's father
  • Terry Chen as Praxideke "Prax" Meng, a Ganymedian botanist (season 2)
  • Jay Hernandez as Dmitri Havelock, Miller's Earther partner with Star Helix Security (season 1)[3]
  • Lola Glaudini as Shaddid, the captain of Star Helix Security's Ceres detachment (season 1)
  • Kevin Hanchard as "Semi" Sematimba, a detective on Eros, and an old friend of Miller's (season 1)
  • Martin Roach as Souther, UNN admiral, former UNN Fleet Commander, now commander of the UN's Jupiter fleet
  • Daniel Kash as Antony Dresden, Protogen's head of biological research
  • Brian George as Arjun Avasarala, Avasarala's husband
  • Byron Mann as Augusto Nguyễn, a UNN admiral (season 2)
  • Mpho Koaho as Richard Travis, an Earth-born MMC private in Draper's squad (season 2)
  • Leah Jung as Mei Meng, Prax's daughter (season 2)
  • Greg Bryk as K. Lopez, a MCRN lieutenant assigned to the MCRN Donnager (season 1)
  • Elias Toufexis as Kenzo Gabriel, a corporate spy on Tycho Station (season 1)
  • Peter Outerbridge as Martens, a MCRN captain assigned to the MCRN Scirocco (season 2)
  • Sarah Allen as Hillman, a MMC private in Draper's squad (season 2)
  • Dewshane Williams as Sa'id, a MMC corporal in Draper's squad (season 2)
  • Conrad Pla as Janus, a UN colonel assigned to the UNS Arboghast (season 2)
  • Ted Whittall as Michael Iturbi, a UN scientist assigned to the UNS Arboghast (season 2)
  • Ted Atherton as Lawrence Strickland, a Protogen pediatrician on Ganymede (season 2)
  • Hugh Dillon as Sutton, a MCRN lieutenant in command of the MCRN Scirocco (season 2)
  • Jeff Seymour as Pyotr Korshunov, the MCR Minister of Defense (season 2)
  • Rachael Crawford as J. Peñano, a MCRN admiral (season 2)
  • Jean Yoon as Theresa Yao, captain of the MCRN Donnager (season 1)
  • Elizabeth Mitchell as Rev. Dr. Annushka "Anna" Volovodov, a Europan Methodist pastor (season 3)[6]
  • David Strathairn (season 3)[7]

Series overviewEdit

Season Episodes Originally aired
First aired Last aired
1 10 December 14, 2015 (2015-12-14) February 2, 2016 (2016-02-02)
2 13 February 1, 2017 (2017-02-01) April 19, 2017 (2017-04-19)
3 13 April 11, 2018 (2018-04-11) TBA


Season 1 (2015–16)Edit

No. in
Title Directed by Written by Original air date U.S. viewers
1 1 "Dulcinea" Terry McDonough Mark Fergus & Hawk Ostby December 14, 2015 (2015-12-14)[note 1] 1.19[9]
The series opens with Julie Mao alone aboard a spaceship in a Scopuli suit. 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.
2 2 "The Big Empty" Terry McDonough Mark Fergus & Hawk Ostby December 15, 2015 (2015-12-15) 0.854[10]
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 navy flagship, the MCRN 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.
3 3 "Remember the Cant" Jeff Woolnough Robin Veith December 22, 2015 (2015-12-22)[note 2] 0.676[12]
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.
4 4 "CQB" Jeff Woolnough Naren Shankar December 29, 2015 (2015-12-29)[note 2] 0.633[13]
On Ceres, Miller identifies the dead "Nightbandit31" as Bizi Betiko, a data broker with an implanted, encrypted memory storage device, only to discover the real Betiko is still alive. In the asteroid belt, the Donnager's pursuers reveal themselves as six ships of the type that had attacked the Canterbury, and begin firing torpedoes. 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 are evacuated on the Martian captain's orders, narrowly escaping aboard a frigate from Donnager's bay immediately before the Donnager self-destructs to avoid capture. Far from the battle, at Tycho Station, where a massive generation ship, the Nauvoo, is being built at the behest of the Mormon Church, station manager, and leader of the OPA, Fred Johnson turns the Nauvoo's sensors towards the battle.
5 5 "Back to the Butcher" Rob Lieberman Dan Nowak January 5, 2016 (2016-01-05) 0.631[14]
For lack of options, the Canterbury's survivors accept a proposal by OPA leader 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 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, who try to recruit him through their local agent Anderson Dawes. While leaving Julie's apartment with the data chip, Miller is abducted by unknown people.
6 6 "Rock Bottom" Rob Lieberman Jason Ning January 12, 2016 (2016-01-12) 0.713[15]
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.
7 7 "Windmills" Bill Johnson Daniel Abraham & Ty Franck January 19, 2016 (2016-01-19) 0.502[16]
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.
8 8 "Salvage" Bill Johnson Robin Veith January 26, 2016 (2016-01-26) 0.721[17]
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 same substance from the Anubis.
9 9 "Critical Mass" Terry McDonough Robin Veith & Dan Nowak and Naren Shankar February 2, 2016 (2016-02-02) 0.555[18]
The events leading up to Julie Mao's infection by the unknown bio-hazard on the Anubis and 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.
10 10 "Leviathan Wakes" Terry McDonough Mark Fergus & Hawk Ostby February 2, 2016 (2016-02-02) 0.555[18]
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.[8]
  2. ^ a b The third and fourth episodes were released online after the second episode aired on December 15, 2015.[11]

Season 2 (2017)Edit

No. in
Title Directed by Written by Original air date U.S. viewers
11 1 "Safe" Breck Eisner Mark Fergus & Hawk Ostby February 1, 2017 (2017-02-01) 0.700[19]
The season opens with Bobbie Draper and other Martian marines undergoing combat training on Mars. They are deployed to Phoebe Research Station, which had been reported as being attacked. The United Nations debates blockading Martian fleet deployments; Avasarala backs the measure but privately believes that she is being prepared by Errinwright as a scapegoat, and hires private security. A Martian naval vessel fires on a UN vessel; the UN elects not to fire back, figuring that the Martian missiles were saber-rattling. The missiles pass the UN 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 among the supplies 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.
12 2 "Doors & Corners" Breck Eisner Daniel Abraham & Ty Franck February 1, 2017 (2017-02-01) 0.700[19]
Arrival at Tycho Station is tense, but the Rocinante crew defuses the situation by explaining what is going on at 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, 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, Antony Dresden, the man is uninterested in who he answers to as long as he can continue his work. While explaining the source, dangers, and possibilities of the protomolecule, he is shot in the head by Miller.
13 3 "Static" Jeff Woolnough Robin Veith February 8, 2017 (2017-02-08) 0.587[20]
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 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 one of their prisoners to talk. Miller realizes that Eros must be destroyed, and that Fred Johnson has the equipment necessary to do so.
14 4 "Godspeed" Jeff Woolnough Dan Nowak February 15, 2017 (2017-02-15) 0.534[21]
Avasarala gathers information linking the protomolecule to Julie Mao'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 doctors is found who will not follow Holden's orders, so he destroys their ship. 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 – Eros maneuvered to avoid the impact.
15 5 "Home" David Grossman Mark Fergus & Hawk Ostby February 22, 2017 (2017-02-22) 0.600[22]
Eros is on 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 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' flight. 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.
16 6 "Paradigm Shift" David Grossman Naren Shankar March 1, 2017 (2017-03-01) 0.625[23]
Flashbacks 137 years prior show Solomon Epstein, a Martian, envisaging a future where Mars has broken free from Earth's control based on his invention. 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 crew on the Rocinante commiserate over Miller's death and agree to launch the protomolecule sample into the sun, as it is too dangerous to keep. But Naomi fakes the launch leading everyone, but her, to believe there is now no sample left. On Ganymede, Bobbie Draper and her crew are sent to patrol the agricultural farms and they see UN marines running towards them, firing, as their comms are jammed. The UN and MCRN fleets in orbit each assume the jamming is part of an attack by the other side, and a full scale battle breaks out in orbit – destroying several of the giant orbital mirrors in the crossfire, whose crashing wreckage devastates the colony on the surface. The Scirocco comes under fire and Sutton is killed. After the battle, an injured Bobbie awakes to find her entire team massacred, and an inhuman figure standing over her.
17 7 "The Seventh Man" Kenneth Fink Georgia Lee March 8, 2017 (2017-03-08) 0.451[24]
After the battle at Ganymede, Bobbie is rescued by the MCRN and asked to report the events, which her superiors don't 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, 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 told to go 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 and Cortazar is later found missing from his cell, leading Alex and Naomi to chase after an escaping ship, only to find Diogo aboard and Dawes and Cortazar gone.
18 8 "Pyre" Kenneth Fink Robin Veith March 15, 2017 (2017-03-15) 0.460[25]
Aboard a Ganymede refugee ship, Praxidike Meng and others are headed for safety as he privately mourns the loss of his daughter, who was supposedly killed when the mirrors fell down. The ship throws members of the inner planets out the airlock, reflective of the rising tension between the Belters and the Inners. Prax's ship eventually arrives on Tycho, 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 amongst the Belters on Tycho, who storm the hangar and take Fred and Drummer hostage, wanting to launch the missiles back to Earth in order to provoke a fight from Earth, but are unsuccessful when the crew intervenes. The crew discovers that a protomolecule signal came from Ganymede at the time of the battle and discover a doctor, who used to work for Protogen, was also on Ganymede. Prax reveals his daughter was a patient of his and footage shows the doctor and Prax's daughter leaving an hour before the battle. Prax, with the crew, set off for Ganymede with renewed hope his daughter is still alive.
19 9 "The Weeping Somnambulist" Mikael Salomon Hallie Lambert March 22, 2017 (2017-03-22) 0.471[26]
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 splits the Rocinante away from the rest of the crew, awaiting their potential need for 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 discovers that the Eros impact zone is teeming with life, information that Avasarala matches with Bobbie Draper's additional testimony to realize that the solar system is still in danger.
20 10 "Cascade" Mikael Salomon Dan Nowak March 29, 2017 (2017-03-29) 0.573[27]
Despite chastisement from her commanding officers, Bobbie sneaks out 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 for Mars. On Ganymede, Amos beats an information dealer for footage of the doctor taking Prax's daughter 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 hears the Martian Navy declare Ganymede a no-fly zone.
21 11 "Here There Be Dragons" Rob Lieberman Georgia Lee April 5, 2017 (2017-04-05) 0.504[28]
With nothing left to lose, Bobbie assaults Captain Martens, forcing him to reveal "Project Caliban" was behind the Ganymede Incident, a weapon up for a sale that Mars wants to purchase that started the battle as a test of its power. Bobbie steals some information then claims political asylum at the UN with Avasarala. Jules-Pierre Mao contacts Avasarala, offering to explain everything if she meets with him somewhere outside of UN control and she accepts. The UN research team lands a probe on Venus, seeing a massive protomolecule structure before the feed cuts out. Alex uses the Jovian moons as a Gravity slingshot to sneak the Rocinante past the Martian blockade of Ganymede. Holden and crew explore the old part of the station, coming across guards and scientists having a pizza party. After Prax starts a gun fight, the survivors barricade themselves in the back room. Holden and Prax realize that the weapon is inhuman monsters that are actually Belter children with weakened immune systems purposely infected with protomolecule; the fate of Mei is unclear. After Amos tosses a grenade back at them, the enemy is killed by a protomolecule monster; however, a dying scientist says there are plenty more out there. Naomi and Amos split to evacuate people off Ganymede, while Holden, Prax, and Alex go to hunt the protomolecule monster on the moon's surface.
22 12 "The Monster and the Rocket" Rob Lieberman Mark Fergus & Hawk Ostby April 12, 2017 (2017-04-12) 0.515[29]
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 that was going to pick up the protomolecule monster on Ganymede. Errinwright orders Mao to kill Avasarala and her aides or he will destroy everyone on Mao's ship next. Holden becomes increasingly aggressive while hunting the protomolecule monster. Naomi and Amos repair the Somnambulist but it only has enough air for 52 people, while over 300 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 Martian blockade, Alex convinces Holden to save them, threatening the Martian ships with the Rocinante's arsenal. The protomolecule monster is shown to have stowed away aboard the Rocinante.
23 13 "Caliban's War" Thor Freudenthal Daniel Abraham & Ty Franck and Naren Shankar April 19, 2017 (2017-04-19) 0.581[30]
The protomolecule monster is discovered in the cargo bay of the Rocinante. It attacks and throws a magnetic crate at Holden, crushing his leg and pinning him to the wall. It begins tearing panels to get to the ship's reactor core for its radiation. Amos says the only way to get rid of it is to take the extra air on the ship into a pressurized blast to force the monster out into space, which would also kill Holden. Prax sees the monster as a biological creature craving radiation as a nutrient and realizes the nuclear core in the ship's missiles could lure it out. Naomi and Prax expose a core; Prax throws it at the last second, causing the monster to jump after it and be incinerated by the main engine's exhaust. Cotyar is wounded in a shootout with Mao's men but Bobbie manages to sneak away to get her power armor and saves him and Avasarala at the last moment. As the UN science team begins to descend towards the surface of Venus for a closer look at the protomolecule structure, its ship is completely stopped and then disassembled in an increasing spherical pattern, the fate of the crew unknown. 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 is shown to be alive and kept in stasis with several other children by Dr. Strickland.

Season 3Edit

No. in
Title Directed by Written by Original air date U.S. viewers
24 1 "Fight or Flight"[31] TBA TBA April 11, 2018 (2018-04-11) TBD
25 2 "IFF"[31] TBA TBA April 18, 2018 (2018-04-18) TBD
26 3 "Assured Destruction"[31] TBA TBA April 25, 2018 (2018-04-25) TBD



The Expanse is based on the novel series of the same name by James S. A. Corey, a pen name of the authors Daniel Abraham and Ty Franck, who also serve as writers and producers for the show. The first novel, Leviathan Wakes (2011), was nominated for the Hugo Award for Best Novel and Locus Award for Best Science Fiction Novel. On April 11, 2014, Syfy announced a straight-to-series commitment to a television adaptation of the book series, and ordered the production of 10 one-hour-long episodes for the first season. On that date Syfy President Dave Howe commented: "The Expanse is epic in scale and scope and promises to be Syfy's most ambitious series to date".[32]

Mark Fergus and Hawk Ostby wrote the pilot, directed by Terry McDonough, and serve as writers and showrunners alongside Naren Shankar.[33] Produced by Alcon Television and The Sean Daniel Company, principal photography started on October 29, 2014, in Toronto.[33] The pilot episode was screened at San Diego Comic-Con in July 2015.

In May 2015, before the first season aired, writing commenced for a second season,[34] which was ordered in December 2015.[35] The second season of The Expanse premiered on February 1, 2017.[36]

On March 16, 2017, The Expanse was renewed by Syfy for a 13-episode third season set to air in 2018.[37] Filming for season 3 began on July 12, 2017.[38][39]

Four digital comics based on the books and tying into the television series have been published by ComiXology. The first focuses on the origin of James Holden and was released February 1, 2017.[40] The next three, highlighting the origins of other characters are: Naomi Nagata, released April 19, 2017; Alex Kamal, released May 24, 2017; and Amos Burton, released July 12, 2017.

The show's title sequence was animated and directed by Australian studio Breeder and its VFX team.[41]


The show's soundtrack was composed by Clinton Shorter.[42][43] The complete soundtrack dubbed The Expanse Season 1 – The Original Television Soundtrack, consisting of nineteen tracks, was released by Lakeshore Records, on May 20, 2016 via iTunes,[42] and on May 26, 2016 via Amazon.[43]


In the United States, The Expanse is broadcast by Syfy and streams on Amazon Prime.[44] In Canada, the series airs on Space[45] and streams on CraveTV.[46] In New Zealand, the series airs on Sky.[47] In all other countries where Netflix is available, seasons 1 and 2 can be streamed.[48]


Season 1Edit

Hawk Ostby accepting the Hugo Award at Worldcon in Helsinki 2017

The first season received a rating of 65 out of 100 on Metacritic based on 23 critics, indicating "generally favorable reviews".[49] On Rotten Tomatoes, the season has a score of 76% with an average rating of 7.12 out of 10 based on 41 reviews which summarized critics' consensus as follows: "The Expanse blends sci-fi elements and detective noir into a visually compelling whole, though it takes a few episodes for the story to capture viewers' intrigue."[50]

Reporting on the pilot screening, io9's Lauren Davis declared herself "blown away" by The Expanse, appreciating its "incredible sense of scale" and its "deeply thought out future world that reflects on our present one, with high production values and characters who speak and act like real people".[51] Max Nicholson of IGN characterized the pilot as "grim and dramatic", and a "very dense hour of television", with the terminology and large cast sometimes difficult to follow for viewers unfamiliar with the novels, but highlighted the pilot's "gorgeous" visuals and effects reminiscent of Battlestar Galactica, Dune and Firefly.[52]

Writing for Variety, Maureen Ryan was unimpressed by the first four episodes "awkwardly linking a series of somewhat muddled stories" and the series' stereotypical characters, but credited it with tackling "issues of class, representation and exploitation", and a convincing design.[53] At, Justin Landon highlighted The Expanse's "bold and unique cinematography" and its claustrophobic, discomforting set designs, as well as the "extremely faithful" characterization, but remarked that the patois spoken by the Belters, the natives of the asteroid belt, made the series difficult to follow.[54]

Season 2Edit

The second season was also received favorably. On Metacritic, it has a score of 77 out of 100 based on 5 reviews.[55] On Rotten Tomatoes, the season has a score of 94% with an average rating of 8.79 out of 10 based on 16 reviews. The site's critical consensus reads, "The Expanse's second season offers more of the show's excellent signature production values while increasing character development and politically thrilling narratives."[56] Writing for io9, Katherine Trendacosta noted how the show had become "shockingly prescient", insofar as many of the issues and ideas explored by The Expanse mirrored contemporary trends in global politics.[57] Brian Tallerico, in "Why The Expanse Is the Best Sci-FI TV Show You're Not Watching" for Rolling Stone, praised the show for its contemporary political relevance and called its willingness to mix tones, and its protagonists, laudable. He summarized that at its core, The Expanse was all about people responding to fear – fear of the other, fear of the new, fear of inequality, fear of death.[58] Writing for NPR, astrophysicist Adam Frank praised the show and its writers for the scientific realism. He wrote that "more than any other TV space-themed show, it gets the science right", which he found interesting.[59]


Year Award Category Nominee(s) Result Ref.
2016 Visual Effects Society Awards Outstanding Visual Effects in a Photoreal Episode Robert Munroe, Clint Green, Kyle Menzies, Tom Turnbull (for "Salvage") Nominated [60]
2017 Directors Guild of Canada Awards Outstanding Directorial Achievement in Dramatic Series Robert Lieberman (for "Rock Bottom") Nominated [61]
Dragon Awards Best Science Fiction or Fantasy TV Series The Expanse Nominated [62]
Hugo Awards Best Dramatic Presentation, Short Form Mark Fergus, Hawk Ostby and Terry McDonough (for "Leviathan Wakes") Won [63]
Saturn Awards Best Science Fiction Television Series The Expanse Nominated [64]
2018 Saturn Awards Best Science Fiction Television Series The Expanse Pending [65]


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External linksEdit