The exploits of FBI Special Agents Fox Mulder and Dana Scully who investigate X-Files: marginalized, unsolved cases involving paranormal phenomena. Mulder believes in the existence of aliens and the paranormal while Scully, a skeptic, is assigned to make scientific analyses of Mulder's discoveries that debunk Mulder's work and thus return him to mainstream cases.
Where to Watch The X-Files
Where to stream every episode from all 11 seasons of The X-Files. Filter these episodes by what's available to watch free or on your streaming services using the tabs above.
Season 1Hulu | BBC America | FOX | FOX | Rent or Buy
S01 E01Sep 11, 1993
Pilot Sep 11, 1993 Special Agent Dana Scully is partnered with Special Agent Fox Mulder to validate his work on a special project called the X-Files. While he is a believer in the paranormal fueled by a lost memory of his sister's abduction, she is a scientist and prefers to look for rational, logical explanations. Their first case takes them to Oregon to investigate the unsolved murders of several High School classmates who "Spooky" Mulder believes have been experimented on by aliens.
S01 E02Sep 18, 1993
Deep Throat Sep 18, 1993 Mulder and Scully head to Ellens Air Force Base to investigate the mysterious case of a military test pilot who disappeared after experiencing strange psychotic behavior. While on the case, Mulder meets a mysterious man dubbed "Deep Throat" who claims to have classified information about his investigations into the paranormal.
S01 E03Sep 25, 1993
Squeeze Sep 25, 1993 One of Scully's friends from the FBI academy, now working in the Violent Crimes Unit, asks her to assist him on a homicide investigation involving no clear point of entry. Mulder realizes that this is similar to a series of X-Files cases that have occurred every thirty years and joins in the investigation to stop the latest cycle.
S01 E04Oct 2, 1993
Conduit Oct 2, 1993 As Section Chief Blevins expresses his concern with the direction of the X-Files, Mulder becomes obsessed with solving a case that closely parallels an encounter he experienced as a child - the abduction of his kid sister, Samantha.
S01 E05Oct 9, 1993
The Jersey Devil Oct 9, 1993 The murder of a homeless man that is very similar in detail to a murder committed in 1947 leads Mulder and Scully to a legendary man-beast roaming in the forest near Atlantic City.
S01 E06Oct 23, 1993
Shadows Oct 23, 1993 When an unseen force commits several murders where a young woman is present, Mulder suspects that it is the spirit of the woman's former boss protecting her, while Scully believes the boss merely faked his own death.
Season 2Hulu | BBC America | FOX | FOX | Rent or Buy
S02 E01Sep 17, 1994
Little Green Men Sep 17, 1994 With the X-Files closed, Scully has been assigned as an instructor at the FBI Academy while Mulder is doing menial surveillance work. After meeting with Senator Matheson, one of his supporters in regards to the X-Files, Mulder disobeys orders and heads to an abandoned SETI site in Puerto Rico which has inexplicably reactivated itself and could provide proof of contact with extra-terrestrial life.
S02 E02Sep 24, 1994
The Host Sep 24, 1994 A.D. Skinner sends Mulder to investigate a body which washed into the New Jersey sewer from the ocean. Mulder believes that the basic blue-collar assignment is punishment, but by Skinner's own admission, what he discovers is a true X-File.
S02 E03Oct 1, 1994
Blood Oct 1, 1994 When several violent deaths in a small farming community are connected by the destruction of digital devices, Mulder believes that people are being driven to kill by the use of subliminal messages in the digital readouts.
S02 E04Oct 8, 1994
Sleepless Oct 8, 1994 Mulder reluctantly accepts a new partner, Agent Alex Krycek, and they investigate the deaths of several Green Beret soldiers who participated in a sleep deprivation experiment during the Vietnam war.
S02 E05Oct 15, 1994
Duane Barry Oct 15, 1994 Mulder is called to a hostage situation involving Duane Barry, a former FBI Agent who claims to be an alien abductee and wants to get back to the abduction site with someone who will be taken instead of him. Unfortunately, the someone he eventually chooses is Scully.
S02 E06Oct 22, 1994
Ascension Oct 22, 1994 When Mulder finds out that Scully was kidnapped by Duane Barry, he risks the wrath of his superiors and the annoyance of Agent Krycek in order to do whatever it takes to find her. Meanwhile, Krycek is found to be reporting Mulder's activities to the Cigarette-Smoking Man.
Season 3Hulu | FOX | FOX | Rent or Buy
S03 E01Sep 23, 1995
The Blessing Way Sep 23, 1995 Scully finds her career with the FBI in jeopardy as Mulder is still missing and the Cigarette-Smoking Man is pursuing the stolen files. The Navajo elders find Mulder's body in a cave and perform an ancient ceremony to call the spirit back to the empty vessel.
S03 E02Sep 30, 1995
Paper Clip Sep 30, 1995 A.D. Skinner and Scully are at a standoff when Mulder bursts in and discovers that Skinner has the digital tape. Reunited, Mulder and Scully travel to a secret vault inside a mine and find an elaborate filing system of medical records which reveals that Mulder's sister may not have been the first choice for abduction. Meanwhile, Skinner deals with the Cigarette-Smoking Man for their safety.
S03 E03Oct 7, 1995
D.P.O. Oct 7, 1995 Mulder and Scully investigate a series of human and cattle deaths by lightning and are led to a teenage boy who is the only survivor out of five people recently hit by lightning strikes.
S03 E04Oct 14, 1995
Clyde Bruckman's Final Repose Oct 14, 1995 In the midst of a psychic sideshow while on a murder case, Mulder and Scully enlist the help of a man who may have a true psychic ability to foresee how people will die to help the agents catch a man killing fortune tellers.
S03 E05Oct 21, 1995
The List Oct 21, 1995 Nobody takes much notice when a death row inmate vows on the electric chair to come back from the dead and kill five men who have wronged him during his time in prison, until a guard is mysteriously murdered in the former inmate's cell.
S03 E06Nov 4, 1995
2Shy Nov 4, 1995 A man with a genetic abnormality who must prey on overweight women in order to suck the fatty tissue from their bodies, begins to meet his victims through internet chat rooms.
Season 4Hulu | FOX | FOX | Rent or Buy
S04 E01Oct 5, 1996
Herrenvolk Oct 5, 1996 Jeremiah Smith and Mulder are on the run from the alien bounty hunter, and Smith takes Mulder to a small farm tended to by identical sets of children, and all the girls are clones of his sister when she was still a child. Mulder prepares to take Jeremiah and one of the clones to see his mother in the hospital, but the bounty hunter catches up with them. Meanwhile, the Syndicate suspects that they have a traitor in their midst and plan a trap which results in X being executed by the Cigarette-Smoking Man.
S04 E02Oct 12, 1996
Home Oct 12, 1996 A baby is found buried alive in shallow ground and appears to have birth defects resulting from generations of inbreeding, leading Mulder and Scully to a reclusive family who have a history of inbred children.
S04 E03Oct 19, 1996
Teliko Oct 19, 1996 After several African-American men are killed and the color is drained from their skin, Mulder learns about the Teliko, an African folktale about a creature who must suck the pigmentation from a persons body in order to survive.
S04 E04Oct 28, 1996
Unruhe Oct 28, 1996 Several kidnappings of young women linked by distorted photographs lead Mulder and Scully to a man who can imprint his darkest fantasies onto undeveloped film and is trying to save the women from the "Howlers".
S04 E05Nov 4, 1996
The Field Where I Died Nov 4, 1996 After an FBI raid on a doomsday cult called the "Temple of the Seven Stars", Mulder meets Melissa, a cultist who claims to have known him in a previous life during the American Civil War. Scully believes the woman is a delusional schizophrenic, but Mulder allows himself to be drawn into her fantasies.
S04 E06Nov 11, 1996
Sanguinarium Nov 11, 1996 A link to the four witches Sabbaths is found after a doctor loses control and kills a patient on the operating table, and Mulder suspects a nurse may be practicing witchcraft.
S04 E07Nov 18, 1996
Musings of a Cigarette Smoking Man Nov 18, 1996 Frohike pieces together and recites to Mulder and Scully what could be the possible life story of the Cigarette Smoking Man; from a young captain in the U.S. Army recruited to assassinate President Kennedy, to becoming the mysterious man in the shadows at the height of a global conspiracy. What measures will the Cigarette Smoking Man take to ensure that he remains a mystery forever?
Season 5Hulu | FOX | FOX | Rent or Buy
S05 E01Nov 3, 1997
Redux Nov 3, 1997 Scully helps Mulder fake his own death in order for him to go undetected through the Department of Defence and find out the answers to his new questions about the government hoax concerning the existence of extraterrestrial life. Meanwhile, at a joint FBI/DOD inquiry, Scully's attempt to drive out the Conspiracy's informant is halted as her cancer takes a bad turn.
S05 E02Nov 10, 1997
Redux II Nov 10, 1997 The Cigarette-Smoking Man helps Mulder to obtain Scully's cure and also lets him see his real sister who doesn't turn out to be as happy to see Mulder as he would've liked. In return for this, the Cigarette-Smoking Man asks that Mulder quit the FBI and work for him in the Syndicate where he could have power and respect which Mulder turns down, deciding to stay on the side of justice. While Scully's cure appears to have worked, the Cigarette-Smoking Man faces his own enemies and disappears, presumed dead.
S05 E03Nov 17, 1997
Unusual Suspects Nov 17, 1997 Set in 1989, the story of the founding of The Lone Gunmen is finally told as we see how a straight-laced federal employee, a sex mad AV expert, and a nerdy computer hacker meet Susanne Modeski, a strange woman with evidence of a government conspiracy. When their plan to expose the conspiracy fails and Susanne is captured by a group of men-in-black, led by none other than X, they soon become a paranoid group of government watchdogs.
S05 E04Nov 24, 1997
Detour Nov 24, 1997 While on their way to an FBI group communication seminar, Mulder and Scully manage to escape when they come across a situation in the Florida forest area where three men have recently disappeared.
S05 E05Dec 1, 1997
The Post-Modern Prometheus Dec 1, 1997 Filmed in glorious black and white with a comic book feel to it, this is a modern retelling of Frankenstein as Mulder and Scully get caught up in a town where the residents live on Jerry Springer episodes and fear a two-faced monster who has been impregnating the women.
S05 E06Dec 8, 1997
Christmas Carol Dec 8, 1997 On her Christmas vacation with her brother's family, Scully receives a mysterious phone call from a familiar voice who says, "She needs your help. Go to her." The phone call leads Scully to a murder case where the victim's 3-year-old adopted daughter bears an uncanny likeness to her sister, Melissa, at that age. The emotional roller coaster that follows has Scully believing that her sister had a baby during a period when she traveled the country and she tries to adopt the child, knowing that caring for the little girl would change her life.
Season 6Hulu | FOX | FOX | Rent or Buy
S06 E01Nov 9, 1998
The Beginning Nov 9, 1998 Mulder is less than thrilled when an Office of Professional Conduct board refuses to reassign him and Scully to The X-Files and even more so when he learns that Agent Spender and Agent Fowley have become their successors. When Gibson Praise reappears and comes to them for help, Mulder and Scully attempt to continue their quest undercover despite having fewer friends and less access and protection than ever before.
S06 E02Nov 16, 1998
Drive Nov 16, 1998 Mulder is trapped in a car with a man who has developed a serious ear condition which can only be suppressed by driving west at high speeds. As Scully tries to find the cause and a cure for the problem, Mulder and the man get closer and closer to the ocean.
S06 E03Nov 23, 1998
Triangle Nov 23, 1998 Mulder goes to the Bermuda Triangle when he learns that the Queen Anne, a British luxury liner which disappeared during WWII, has reappeared in the middle of the Sargasso Sea. Mulder's boat is wrecked and after floating in the water, he is hauled aboard the ship which has just been hijacked by the Nazis searching for the man who will build the atom bomb.Mulder tries to convince the crew that they have traveled into the future, but evidence further suggests that it is he who is back in the past.
S06 E04Nov 30, 1998
Dreamland Nov 30, 1998 While being detained near the famed "Dreamland" Area 51, a strange craft flies overhead and Mulder swaps bodies with an Area 51 "Man-in-Black". While the other agent has fun in Mulder's body, Mulder himself finds it difficult to fit into someone else's life, especially a shadowy one. Mulder contacts Scully about the body swap and tries to get her the flight data recorder from the UFO test flight, but his alter ego uses Mulder's FBI persona to have him arrested.
S06 E05Dec 7, 1998
Dreamland II Dec 7, 1998 Mulder is thrown in jail at the Area 51 compound but is released when it is discovered that the flight data recorder he stole was a fake. Scully comes to her senses and realizes that the Mulder she sees isn't who he really is and heads back to Nevada to help the real Mulder. Meanwhile, the mechanism that caused the body swap is rapidly snapping back, undoing everything in its wake, and Mulder and his alter ego must race to put themselves back where they belong.
S06 E06Dec 14, 1998
How the Ghosts Stole Christmas Dec 14, 1998 Mulder talks Scully into investigating a haunted house on Christmas Eve where several couples have met their fate on that very night. While there, they encounter endless tricks and traps set by a ghostly couple who originally made a lovers suicide pact in the house. The ghosts try to convince Mulder and Scully to kill each other.
S06 E07Jan 4, 1999
Terms of Endearment Jan 4, 1999 After a scan of a couple's unborn child is found to have strange growths protruding from the head and back, the fetus is taken from inside the mother by a demon creature while she is asleep. Mulder heads to investigate after Agent Spender dismisses the claims, and discovers that the father is actually a demon who wants to have a normal child.
Season 7Hulu | FOX | FOX | Rent or Buy
S07 E01Nov 8, 1999
The Sixth Extinction Nov 8, 1999 While Scully travels to Africa to piece together the meaning of the symbols on the spaceship beached on the Ivory Coast, Mulder is imprisoned by his own frenetic brain activity. He manages to get a message to Skinner who finds Kritschgau, and together they try to understand what is happening to Mulder before it is too late.
S07 E02Nov 15, 1999
The Sixth Extinction II: Amor Fati Nov 15, 1999 Scully frantically searches for a way to help her ailing partner without having anyone to turn to for help, while a catatonic Mulder's dreams lead him away from his mission and the X-Files to a place which he believes is a better life.
S07 E03Nov 22, 1999
Hungry Nov 22, 1999 A monster who feeds on human brain matter tries to lead a normal life, but he soon cannot control his feelings of hunger.
S07 E04Nov 29, 1999
Millennium Nov 29, 1999 As the year 2000 draws closer, the agents are up against a man from the Millennium Group who believes that he can bring about the end of the world on the 31st of December if he resurrects four former members from the dead. To gain more insight into the group and its practices, Mulder and Scully enlist criminal profiler Frank Black to assist them in the investigation.
S07 E05Dec 6, 1999
Rush Dec 6, 1999 A young man who has gained the ability to move faster than the eye can see begins to use his new power to kill his enemies, including the local sheriff who happens to be his father.
S07 E06Dec 13, 1999
The Goldberg Variation Dec 13, 1999 Mulder and Scully get caught in a real-life Rube Goldberg device when they meet Henry Weems, who just may be the luckiest man on Earth - except everyone around him doesn't seem to be that lucky.
Season 8Hulu | FOX | FOX | Rent or Buy
S08 E01Nov 6, 2000
Within Nov 6, 2000 Newly appointed Deputy Director Kersh organizes a manhunt for Mulder and assigns Agent John Doggett to head the team. Scully and Skinner go along with the investigation but are warned by Kersh that they will be fired if anything is said about aliens. Scully, along with the Lone Gunmen, surmise that the Bounty Hunter is trying to erase all evidence of abductions, and they realize that he may be going after Gibson Praise, who is now living at a school in Arizona. Agent Doggett comes to the same conclusion and his team race Scully and Skinner to the school where they find Mulder trying to kidnap Gibson.
S08 E02Nov 13, 2000
Without Nov 13, 2000 As the search for Mulder intensifies in the Arizona desert, Gibson Praise leads Scully to believe that she is truly closer to her target. Meanwhile, A.D. Kersh informs Agent Doggett that he has been assigned as Mulder's successor on the X-Files.
S08 E03Nov 20, 2000
Patience Nov 20, 2000 While tackling his first X-File case about a series of gruesome murders surrounding a bat-like creature, Doggett quickly learns that his investigative techniques are somewhat dissimilar to Scully's.
S08 E04Nov 27, 2000
Roadrunners Nov 27, 2000 Scully evades Doggett's help in investigating a vicious murder in a remote area of Utah, and she is trapped in the small town by a religious cult that believe a slug-like creature is the second coming of God who needs a human host to survive.
S08 E05Dec 4, 2000
Invocation Dec 4, 2000 In 1990 a little boy inexplicably disappeared from his crowded school playground and was never seen again until now, ten years later, and he hasn't aged a day.
S08 E06Dec 11, 2000
Redrum Dec 11, 2000 A prominent lawyer wakes to find himself in jail and about to be prosecuted for the murder of his wife. He has no memory of this event however, and when the days begin to regress backward towards the murder, he realizes that he has been given a second chance.
Season 9Hulu | FOX | FOX | Rent or Buy
S09 E01Nov 12, 2001
Nothing Important Happened Today Nov 12, 2001 Agent Doggett investigates the death of an EPA official after his car is forced off a bridge by a woman he picked up. He asks for assistance on the case from Scully, who has returned to her teaching position at the FBI Academy in Quantico.
S09 E02Nov 19, 2001
Nothing Important Happened Today II Nov 19, 2001 Doggett catches up with Shannon McMahon, the woman who the EPA official picked up. She claims to be a super solider and that the people she has killed were poisoning the water supply, and she wants Doggett to expose the truth.
S09 E03Dec 3, 2001
Dæmonicus Dec 3, 2001 Doggett and Reyes investigate the murder of a couple in West Virginia that has all the signs of a satanic ritual killing. They link the murder to a doctor who is incarcerated in a mental institute, and Doggett becomes convinced that the doctor is orchestrating the crimes from within the hospital.
S09 E04Dec 10, 2001
4-D Dec 10, 2001 During a stakeout of murderer Irwin Lukesh, Doggett sees Reyes attacked by Lukesh, but then we see Reyes and Doggett in her apartment, apparently both fine. Elsewhere at the same time, Doggett is shot and Lukesh identifies Reyes as the shooter. While Reyes is asked for her badge and gun by A.D. Follmer, and Doggett lies in hospital near death, the conflicting circumstances of the stakeout and Doggett's shooting do not add up and it becomes clear that Lukesh possesses the power to switch between parallel universes and alter the events in each.
S09 E05Dec 17, 2001
Lord of the Flies Dec 17, 2001 When a stunt on a local cable reality show goes horribly wrong resulting in a man's death, Doggett and Reyes investigate. But when flies pour out of the victims eye sockets, they find themselves relying on Scully's expertise and ask her to join the investigation.
S09 E06Jan 7, 2002
Trust No 1 Jan 7, 2002 Scully is approached by a couple who claim their baby has the same abilities as William and have information about the super soldier program; however, they will only talk to Mulder, believing him the only person who can make the connections and uncover the truth. Scully is forced into an awkward situation when she has to decide whether to put Mulder's life in more danger even though she desperately wants to see him.
S09 E07Jan 14, 2002
John Doe Jan 14, 2002 Scully and Reyes join forces to try and find Doggett when he goes missing. Doggett has his own problems, having woken up in jail in Mexico suffering from amnesia. With no knowledge of who he is, Doggett is befriended by a local who soon has him working smuggling illegal immigrants across the border.
Season 10Hulu | FOX | FOX | Rent or Buy
S10 E01Jan 25, 2016
My Struggle Jan 25, 2016 Agents Mulder and Scully return after 13 years to investigate a government conspiracy at the behest of a popular web-TV-show host, who introduces them to a woman who claims she's an alien abductee and shares startling news with them.
S10 E02Jan 26, 2016
Founder's Mutation Jan 26, 2016 When Mulder and Scully try to discover what unseen force may have driven a scientist to commit suicide, they turn up a laboratory where extreme genetic experimentation has bred subjects possessing dangerous powers.
S10 E03Feb 2, 2016
Mulder & Scully Meet the Were-Monster Feb 2, 2016 Mulder and Scully investigate a dead body in the woods, and try to determine whether it was the work of a serial killer, an animal or a mysterious creature seen by eyewitnesses. Meanwhile, a disillusioned Mulder confronts some of his own demons.
S10 E04Feb 9, 2016
Home Again Feb 9, 2016 Mulder and Scully investigate the murder of a city official, a crime that doesn't appear to have been committed by human hands. Meanwhile, Scully faces deeply emotional feelings about the child she gave up for adoption.
S10 E05Feb 16, 2016
Babylon Feb 16, 2016 Scully and Mulder investigate when an art gallery displaying offensive artwork is bombed, and need to discover a way to communicate with the comatose perpetrator to try and prevent a future attack.
S10 E06Feb 23, 2016
My Struggle II Feb 23, 2016 The season concludes with people all across the country falling gravely ill. A widespread panic develops and Scully looks within to find a cure. Meanwhile, Mulder confronts the man he believes to be behind it all, but another figure from Mulder and Scully's past may prove to be the key to their salvation.
Season 11Hulu | FOX | FOX | Yahoo View | Rent or Buy
S11 E01Jan 4, 2018
My Struggle III Jan 4, 2018 Mulder and Scully learn that they aren't the only ones desperately searching for their long-lost son, William. The very fate of the world may depend on it.
S11 E02Jan 11, 2018
This Jan 11, 2018 A chilling secret is revealed when an old friend reaches out to Mulder and Scully in a seemingly impossible way.
S11 E03Jan 18, 2018
Plus One Jan 18, 2018 Mulder and Scully investigate a case where people are plagued by their own doppelgangers.
S11 E04Jan 25, 2018
The Lost Art of Forehead Sweat Jan 25, 2018 Exploring the idea of The Mandela Effect, in which large groups of people remember an alternate history, Mulder and Scully find out how the X-Files themselves may really have originated.
S11 E05Feb 1, 2018
Ghouli Feb 1, 2018 When a pair of teenage girls attack one another, each believing the other to be a monster, Mulder and Scully find that their investigation could possibly lead back to their long-lost son, William.
S11 E06Feb 8, 2018
Kitten Feb 8, 2018 Skinner goes AWOL when his past comes back to haunt him. As Mulder and Scully try to track him down, their growing mistrust of him reaches its apex.