UntoldSciFi.com Featuring 1,760 sci-fi with release dates, trailers, and posters.

Our goal is to include every sci-fi movie starting with “X”. These sci-fi fims listed here are sorted alphabetically. New movies are added everyday and we are dedicated to including every sci-fi movie ever made.

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Sci-Fi Movies List

  1. X the Unknown (1956)

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    R | 1h 21min | 81min

    X the Unknown 1956
       Score: 6.1/10

    Directors: Leslie Norman, Joseph Losey

    Starring: Brian Peck, Leo McKern, John Harvey, Jack Lambert, Edwin Richfield

    Synopsis: British Army radiation drills at a remote Scottish base attract a subterranean, radioactive entity of unknown nature that vanishes, leaving two severely radiation-burned soldiers... and a "bottomless" crack in the earth. Others who meet the thing in the night suffer likewise, and with increasing severity; it seems to be able to "absorb" radiation from any source, growing bigger and bigger. What is it?? How do you destroy a thing that "feeds" on energy?

    Tagline: NOTHING CAN STOP IT! (original print ad - all caps)

  2. X-Men (2000)

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    PG-13 | 1h 44min | 104min | 14 Jul 2000

    X-Men 2000
       Score: 7.57/10

    Director: Bryan Singer

    Starring: Stan Lee, Ian McKellen, Shawn Roberts, Hugh Jackman, Patrick Stewart

    Synopsis: In a world where both Mutants and Humans fear each other, Marie, better known as Rogue, runs away from home and hitches a ride with another mutant, known as Logan, a.k.a. Wolverine. Charles Xavier, who owns a school for young mutants, sends Storm and Cyclops to bring them back before it is too late. Magneto, who believes a war is approaching, has an evil plan in mind, and needs young Rogue to help him.

    Tagline: Evolution Begins.

  3. X-Men 2 (2003)

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    G | 2h 14min | 134min | 02 May 2003

    X-Men 2 2003
       Score: 7.74/10

    Director: Bryan Singer

    Starring: Ian McKellen, Hugh Jackman, Brian Cox, Ty Olsson, Patrick Stewart

    Synopsis: Several months have passed since The X-Men defeated Magneto and imprisoned him in a seemingly impregnable plastic chamber. One day, a mutant by the name of Nightcrawler infiltrates the White House and attempts to assassinate the president, setting off a chain reaction of anti-mutant measures by the government. Meanwhile, Logan is trying to discover his past. As scientist named William Stryker discovers Professor X's secret school and Cerebro, Magneto's partner, Mystique, is planning to break her leader out of prison. But when Professor X's school is attacked by Stryker's forces, Logan, Rogue, Iceman and a few are lucky to escape.…

    Tagline: The time has come for those who are different to stand united

  4. X-Men: Apocalypse (2016)

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    PG-13 | 2h 24min | 144min | 27 May 2016

    X-Men: Apocalypse 2016
       Score: 5.43/10

    Director: Bryan Singer

    Starring: Stan Lee, Hugh Jackman, Lucas Till, Hélène Cardona, Michael Fassbender

    Synopsis: Since the dawn of civilization, he was worshiped as a god. Apocalypse, the first and most powerful mutant from Marvel's X-Men universe, amassed the powers of many other mutants, becoming immortal and invincible. Upon awakening after thousands of years, he is disillusioned with the world as he finds it and recruits a team of powerful mutants, including a disheartened Magneto, to cleanse mankind and create a new world order, over which he will reign. As the fate of the Earth hangs in the balance, Raven with the help of Professor X must lead a team of young X-Men to stop…

    Tagline: Prepare for the Apocalypse.

  5. X-Men: Days of Future Past (2014)

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    PG-13 | 2h 12min | 132min | 23 May 2014

    X-Men: Days of Future Past 2014
       Score: 8.09/10

    Director: Bryan Singer

    Starring: Ian McKellen, Hugh Jackman, Brian Cox, Patrick Stewart, Famke Janssen

    Synopsis: In the future, the mutants and the humans who help them are slaughtered by powerful robots named Sentinels. Professor Xavier, Wolverine, Magneto, Storm, Kitty Pryde and her friends meet at a monastery in China and Xavier explains that the invincible Sentinels were created using the DNA of Mystique that was captured in 1973 when she tried to assassinate their creator Dr. Bolivar Trask. Xavier tells that their only chance is return to 1973 using Pryde's ability to join Charles Xavier and Erik Lehnsherr to convince Mystique to give up her intention. However, only Wolverine can withstand the damages of the…

    Tagline: His past. Our future.

  6. X-Men: First Class (2011)

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    PG-13 | 2h 11min | 131min | 03 Jun 2011

    X-Men: First Class 2011
       Score: 8.09/10

    Director: Matthew Vaughn

    Starring: Michael Ironside, Ray Wise, Hugh Jackman, James Remar, Glenn Morshower

    Synopsis: Before Charles Xavier and Erik Lensherr took the names Professor X and Magneto, they were two young men discovering their powers for the first time. Before they were archenemies, they were closest of friends, working together, with other Mutants (some familiar, some new), to stop the greatest threat the world has ever known. In the process, a rift between them opened, which began the eternal war between Magneto's Brotherhood and Professor X's X-MEN.

    Tagline: Before he was Professor X, he was Charles. Before he was Magneto, he was Erik. Before they were enemies, they were allies.

  7. X-Men: The Last Stand (2006)

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    G | 1h 44min | 104min | 26 May 2006

    X-Men: The Last Stand 2006
       Score: 6.1/10

    Director: Brett Ratner

    Starring: Stan Lee, Ian McKellen, Julian Richings, Hugh Jackman, Patrick Stewart

    Synopsis: When a cure is created, which apparently can turn any mutant into a normal human being, there is outrage amongst the mutant community. Whilst some mutants do like the idea of a cure, including Rogue, many mutants find that there shouldn't be a cure. Magneto, who still believes a war is coming, recruits a large team of mutants to take down Warren Worthington II and his cure. Might seem easy for the X-Men to stop, but Magneto has a big advantage, which Wolverine doesn't have. Jean Grey has returned, and joined with Magneto. The Phoenix has woken within her, which…

    Tagline: Take a Stand

  8. X: The Man with the X-Ray Eyes (1963)

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    R | 1h 19min | 79min | 20 Apr 1965

    X: The Man with the X-Ray Eyes 1963
       Score: 7.75/10

    Director: Roger Corman

    Starring: Dick Miller, Don Rickles, Hans Moebus, Benjie Bancroft, Norman Stevans

    Synopsis: Dr. James Xavier is a world renowned scientist experimenting with human eyesight. He devises a drug, that when applied to the eyes, enables the user to see beyond the normal realm of our sight (ultraviolet rays etc.) it also gives the user the power to see through objects. Xavier tests this drug on himself, when his funding is cut off. As he continues to test the drug on himself, Xavier begins to see, not only through walls and clothes, but through the very fabric of reality!


  9. Xtinction: Predator X (2014)

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    R | 1h 30min | 90min

    Xtinction: Predator X 2014
       Score: 3.74/10

    Director: Amir Valinia

    Starring: Lochlyn Munro, James DuMont, Ricky Wayne, Scott L. Schwartz, Mark Sheppard

    Synopsis: Find showtimes, watch trailers, browse photos, track your Watchlist and rate your favorite movies and TV shows on your phone or tablet!

    Tagline: The greatest predator in history...is back!

  10. Xtro (1982)

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    R | 1h 21min | 81min | 07 Jan 1983

    Xtro 1982
       Score: 4.45/10

    Director: Harry Bromley Davenport

    Starring: Peter Mandell, Robert Fyfe, Vanya Seager, Bernice Stegers, Philip Sayer

    Synopsis: Tony's father Sam, abducted by aliens three years earlier, returns to earth and seeks out his wife and son, but Rachel has since been living with Joe and the reunion is awkward. Joe doesn't trust Sam, and Rachel can't quite decide what her feelings are for her two men. Sam is not the same as when he left, and he begins affecting Tony in frightening ways.

    Tagline: A brutal excursion in terror

  11. Xtro 3: Watch the Skies (1995)

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    R | 1h 30min | 90min

    Xtro 3: Watch the Skies 1995
       Score: 4.14/10

    Director: Harry Bromley Davenport

    Starring: Andrew Divoff, Bridget Hoffman, Jeanne Mori, Sal Landi, J. Marvin Campbell

    Synopsis: Marines travel to a deserted island to diffuse bombs, only to be terrorized by an alien.

    Tagline: From beyond imagination... from beyond the earth itself... XTRO waits.

  12. Xtro II: The Second Encounter (1990)

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    R | 1h 32min | 92min | 01 Mar 1991

    Xtro II: The Second Encounter 1990
       Score: 3.9/10

    Director: Harry Bromley Davenport

    Starring: Nicola Crosbie, Rachel Hayward, Bob Wilde, Steve Wright, Thom Schioler

    Synopsis: Scientists at a secret underground complex have found a way to travel to another dimension. Three dimension-travelers are the first to go through the gate - but are soon attacked by something that interrupts the communication with the control room. This horrible something uses the gate to travel back to the underground complex. Most of the staff are evacuated, except four heavily-armed soldiers and Dr. Casserly and Dr. Summerfield who just can't stand each other...

    Tagline: Part Alien. Part Predator. All Terror.

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