Skip to Content

120 The X-Files Trivia Questions & Answers

The truth is out there, along with 120 questions. This X-Files trivia round covers Fox Mulder, Dana Scully, aliens, government conspiracy, the Cigarette Smoking Man, Skinner, the Lone Gunmen, Samantha, black oil, shape-shifters, monster-of-the-week nightmares, famous episodes, two movies, and enough flashlights to illuminate a very dark forest.

Keep watching with our TV show trivia, 1990s trivia, and pop culture trivia.

Mulder, Scully & the FBI

Q: Who plays Fox Mulder?
A: David Duchovny.

Q: Who plays Dana Scully?
A: Gillian Anderson.

Q: What agency employs them?
A: FBI.

Q: What does FBI stand for?
A: Federal Bureau of Investigation.

Q: What are the X-Files?
A: FBI cases involving unexplained or paranormal phenomena.

Q: Who is the believer in paranormal explanations?
A: Mulder.

Q: Who begins as the skeptic?
A: Scully.

Q: What is Scully's medical background?
A: Physician and forensic pathologist.

Q: Why is Scully initially assigned to Mulder?
A: To evaluate and provide scientific scrutiny of his work.

Q: What poster hangs in Mulder's office?
A: “I Want to Believe.”

Q: What image is on the poster?
A: A UFO.

Q: What phrase closes many mythology credits or promotional messages?
A: “The Truth Is Out There.”

Q: What happened to Mulder's sister?
A: Samantha disappeared when they were children.

Q: What does Mulder initially believe happened?
A: She was abducted by aliens.

Q: What does Samantha's disappearance motivate?
A: Mulder's obsession with extraterrestrials and government secrecy.

Q: What is Mulder's Oxford academic background?
A: Psychology.

Q: What nickname did Mulder have at the FBI?
A: Spooky Mulder.

Q: What is Scully's religious background?
A: Catholic.

Q: Does Scully remain an absolute skeptic forever?
A: No. Her experiences complicate her scientific skepticism and faith.

Q: Does Mulder believe every paranormal claim?
A: He is highly receptive, but the series also challenges his assumptions.

Q: Who is their FBI supervisor and uneasy ally?
A: Walter Skinner.

Q: Who plays Skinner?
A: Mitch Pileggi.

Q: What position does Skinner hold?
A: Assistant Director.

Q: Is Skinner always clearly on Mulder and Scully's side?
A: No. His loyalties appear ambiguous at times.

Q: What does he increasingly become?
A: A trusted ally who risks himself for them.

Q: Where is the X-Files office located?
A: FBI basement.

Q: Why does the basement location fit the unit?
A: It reflects the bureau's marginalization of paranormal cases.

Q: What does the Mulder-Scully partnership eventually become?
A: Deep friendship, trust, love, and a romantic relationship.

Q: What drives the series emotionally beneath the monsters?
A: Their trust in each other.

Q: Who created The X-Files?
A: Chris Carter.

Gillian Anderson, David Duchovny and creator Chris Carter at The X-Files anniversary panel

Conspiracy, Cigarette Smoking Man & Aliens

Q: Who is the shadowy man constantly smoking cigarettes?
A: Cigarette Smoking Man.

Q: Who plays him?
A: William B. Davis.

Q: What nickname is often shortened to CSM?
A: Cigarette Smoking Man.

Q: What secret organization is tied to the alien conspiracy?
A: The Syndicate.

Q: What does the Syndicate know?
A: Extraterrestrial contact and colonization plans.

Q: What does the conspiracy hide from the public?
A: Evidence of aliens, experiments, and planned colonization.

Q: What strange substance is known as black oil?
A: An alien organism or viral entity connected to colonization mythology.

Q: How does black oil often enter people?
A: Through eyes, nose, or mouth.

Q: What do alien bounty hunters look like normally?
A: Human in appearance.

Q: What toxic substance harms or reveals some aliens?
A: Green toxic blood.

Q: What weapon can kill certain alien bounty hunters?
A: A stiletto-like weapon to the back of the neck.

Q: Who is Alex Krycek?
A: A deceptive operative who repeatedly betrays Mulder and Scully.

Q: Who plays Krycek?
A: Nicholas Lea.

Q: What happens to one of Krycek's arms?
A: It is amputated by villagers in Russia.

Q: Who is the Well-Manicured Man?
A: An older Syndicate member who sometimes helps Mulder.

Q: What happens to Scully early in the mythology?
A: She is abducted and later returned.

Q: What medical consequence follows?
A: Cancer and infertility become linked to experiments performed during her abduction.

Q: What daughter is connected with Scully's stolen genetic material?
A: Emily.

Q: Does Emily survive?
A: No.

Q: What child do Scully and Mulder later have?
A: William.

Q: What makes William important to the conspiracy?
A: His unusual conception and potential abilities make him a target.

Q: Who is Jeffrey Spender?
A: An FBI agent and the Cigarette Smoking Man's son.

Q: What shocking family connection is later asserted about Mulder?
A: The mythology links Cigarette Smoking Man to Mulder's paternity, though the series' conspiracy narratives are deliberately tangled.

Q: What does Mulder seek more than simple proof of aliens?
A: Truth about Samantha, government deception, and who controls his life.

Q: What does Scully seek?
A: Evidence that can withstand scientific scrutiny while protecting Mulder from obsession.

Q: Does the conspiracy remain perfectly consistent for all eleven seasons?
A: No. It evolves through retcons, revelations, and competing explanations.

Q: Why is this part of the show challenging trivia?
A: Clones, hybrids, viruses, factions, alien colonization, and government lies overlap across years.

Q: What theme does conspiracy embody?
A: Distrust of institutions and the difficulty of proving truth when powerful people control evidence.

Q: What happens to much of the Syndicate in Season 6?
A: Rebel aliens destroy its members.

Q: Does that end every conspiracy storyline?
A: No.

The X-Files stars Gillian Anderson and David Duchovny together

Monsters, Lone Gunmen & Famous Episodes

Q: What does “monster of the week” mean?
A: A largely standalone case involving a distinct creature or paranormal phenomenon.

Q: What stretchy humanoid villain appears in “Squeeze”?
A: Eugene Victor Tooms.

Q: What does Tooms eat?
A: Human livers.

Q: How often does he emerge to feed?
A: Every thirty years.

Q: What disturbing family appears in “Home”?
A: Peacock family.

Q: What made “Home” famous in broadcast history?
A: Its violence and disturbing themes led Fox to restrict or avoid reruns for a time.

Q: What creature does “The Host” introduce?
A: Flukeman.

Q: Where is Flukeman found?
A: Sewer system and waste-treatment environment.

Q: What episode features a supposedly lucky man with extraordinary good fortune?
A: “The Goldberg Variation.”

Q: What episode is told partly from a vampire's comedic perspective?
A: “Bad Blood.”

Q: What actor guest stars as Sheriff Hartwell?
A: Luke Wilson.

Q: What makes “Bad Blood” unusual?
A: Mulder and Scully tell contradictory versions of the same events.

Q: What black-and-white episode involves a Frankenstein-like monster?
A: “The Post-Modern Prometheus.”

Q: What singer's music is central to it?
A: Cher.

Q: Does Cher herself appear?
A: No, though her music and persona are integral.

Q: What episode traps Mulder and Scully in a haunted house at Christmas?
A: “How the Ghosts Stole Christmas.”

Q: Who play the ghosts?
A: Lily Tomlin and Ed Asner.

Q: What episode unfolds on a doomed luxury ship with time-slip imagery?
A: “Triangle.”

Q: What unusual filming style is used?
A: Long takes and split-screen choreography.

Q: What three conspiracy-minded allies publish a newsletter?
A: The Lone Gunmen.

Q: What are their names?
A: Byers, Frohike, and Langly.

Q: What do they specialize in?
A: Hacking, surveillance, conspiracy research, and technical support.

Q: Did they receive their own spin-off?
A: Yes, The Lone Gunmen.

Q: What happens to them late in The X-Files?
A: They sacrifice themselves to stop a biological threat.

Q: What episode features a man whose obsession with hair and nails becomes monstrous?
A: The series contains many body-horror cases, with each “monster” often linked to social fears.

Q: What kind of cases does Scully usually explain first scientifically?
A: Disease, fraud, psychology, mutation, toxins, or ordinary crime.

Q: What does Mulder usually suggest first?
A: Paranormal or extraterrestrial causes.

Q: Are they both sometimes wrong?
A: Yes.

Q: What makes standalones beloved?
A: They can be horrifying, funny, romantic, experimental, or tragic without requiring full conspiracy knowledge.

Q: Why do fans often distinguish mythology and monster-of-the-week episodes?
A: They offer very different viewing experiences within the same series.

Gillian Anderson, who played Dana Scully in The X-Files

Movies, Revival, Romance & Hard X-Files Trivia

Q: What was the first X-Files feature film called?
A: The X-Files, commonly subtitled Fight the Future.

Q: In what year was it released?
A: 1998.

Q: Where does it fit in the television timeline?
A: Between Seasons 5 and 6.

Q: What major mythology does it expand?
A: Alien colonization and black-oil infection.

Q: What second film was released in 2008?
A: The X-Files: I Want to Believe.

Q: Is the second film mainly alien-conspiracy mythology?
A: No. It is a darker standalone paranormal thriller.

Q: What happens to Mulder's formal FBI status before that film?
A: He is living outside the bureau as a fugitive or isolated former agent.

Q: What does Scully do professionally?
A: Works as a physician.

Q: When did the original television run end?
A: 2002.

Q: When did the revival begin?
A: 2016.

Q: How many revival seasons were made?
A: Two.

Q: What season number was the final revival season?
A: Season 11.

Q: What two agents take over some X-Files duties when Mulder is absent?
A: John Doggett and Monica Reyes.

Q: Who plays Doggett?
A: Robert Patrick.

Q: Who plays Reyes?
A: Annabeth Gish.

Q: What is Doggett's initial attitude toward paranormal claims?
A: Skeptical and evidence-focused.

Q: What happens to Mulder and Scully's relationship over time?
A: Their partnership becomes explicitly romantic and familial.

Q: What near-kiss is famously interrupted in the first movie?
A: A bee sting interrupts Mulder and Scully.

Q: What do fans call the desire for their romantic pairing?
A: Shipping, with Mulder-Scully fans historically helping popularize fandom terminology.

Q: What does MSR stand for in fandom?
A: Mulder/Scully Romance or relationship.

Q: What musical theme opens the show?
A: Mark Snow's whistling-like X-Files theme.

Q: Who composed it?
A: Mark Snow.

Q: What text appears in the opening sequence besides the title?
A: “The Truth Is Out There.”

Q: Do occasional episodes change that phrase?
A: Yes.

Q: What does “Trust No One” express?
A: The series' deep suspicion of institutions, informants, and even apparent allies.

Q: Who says “Trust No One” in mythology?
A: Deep Throat warns Mulder.

Q: Who is Deep Throat?
A: Mulder's first secret government informant.

Q: Who succeeds him as a mysterious source?
A: X.

Q: Why is The X-Files especially deep trivia material?
A: Eleven seasons, two films, mythology, standalones, monsters, recurring slogans, informants, FBI politics, and one of television's defining partnerships create huge range.

Q: What is the show's ultimate promise even when proof remains slippery?
A: Keep searching for the truth.

David Duchovny, who played Fox Mulder in The X-Files

How Did You Score?

If the basement office, Tooms, black oil, the bee interruption, “Bad Blood,” the Lone Gunmen, Deep Throat, and the truth-is-out-there slogan all came easily, your X-Files knowledge is classified.