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

Our goal is to include every sci-fi movie starting with “O”. 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. Oblivion (2013)

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    PG-13 | 2h 04min | 124min | 19 Apr 2013

    Oblivion 2013
       Score: 5.9/10

    Director: Joseph Kosinski

    Starring: John L. Armijo, Morgan Freeman, Jay Oliver, Tom Cruise, Sebastian James

    Synopsis: One of the few remaining drone repairmen assigned to Earth, its surface devastated after decades of war with the alien Scavs, discovers a crashed spacecraft with contents that bring into question everything he believed about the war, and may even put the fate of mankind in his hands.

    Tagline: Earth is a memory worth fighting for.

  2. Occupants (2015)

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    PG-13 | 1h 21min | 81min

    Occupants 2015
       Score: 5.11/10

    Director: Russ Emanuel

    Starring: Robert Picardo, G. Larry Butler, Gabriella Pastore, Alan Karl, Traci Litherland

    Synopsis: "Occupants" is a film about Annie, an award-winning documentarian and her husband Neil. Annie and Neil embark on a "30 Days of Clean Living" documentary, setting up cameras all over their house to document their new eating habits. By doing so, half of their cameras capture a parallel version of themselves - a version that isn't what they expected.

    Tagline: Who's watching who?

  3. Occupation (2018)

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    R | 1h 59min | 119min | 20 Jul 2018

    Occupation 2018
       Score: 4.83/10

    Director: Luke Sparke

    Starring: Bruce Spence, Ray Hounsell, David Cook, John Reynolds, Temuera Morrison

    Synopsis: After their small Australian country town is annihilated by an overwhelming airborne attack, a group of civilians evade capture and discover they are now among the last remaining survivors of an extraterrestrial invasion engulfing the entire planet. As humanity falls under world-wide occupation, they form a home-grown army to fight back against vastly superior enemy forces. On the front lines of the battle for Earth, they are our last hope.

    Tagline: The conquest begins.

  4. Octopus (2000)

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    PG-13 | 1h 40min | 100min | 11 Jun 2002

    Octopus 2000
       Score: 3.2/10

    Director: John Eyres

    Starring: Martin McDougall, Velizar Binev, Ricco Ross, Ravil Isyanov, Marianne Stanicheva

    Synopsis: During the Cuban Missle Crisis, a Russian sub is sunk while en route to Havana. As the sub goes down, the hold is breached and barrels full of some mysterious substance tumble out. Years later, an American nuclear submarine is transporting a captured terrorist to the States. The terrorist's henchmen, however, are planning to hijack the sub and rescue their leader. Meanwhile, a large, unidentified creature is approaching the sub at high speed...

    Tagline: A Cruise To Hell...

  5. Octopus 2: River of Fear (2001)

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    R | 1h 31min | 91min | 01 Jan 2002

    Octopus 2: River of Fear 2001
       Score: 2.24/10

    Director: Yossi Wein

    Starring: Velizar Binev, Michael Reilly Burke, Duncan Fraser, Marianne Stanicheva, Harry Anichkin

    Synopsis: Dead bodies are being found in the New York harbor. The police have no clues nor suspects until Nick and his colleague realize the killer is a giant octopus. Everybody, especially the police captain, refuses to believe Nick's story, and soon the harbor will be filled with boats for the 4th of July celebrations...

    Tagline: Out of time...out of breath!

  6. Officer Downe (2016)

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    R | 1h 28min | 88min | 18 Nov 2016

    Officer Downe 2016
       Score: 2.58/10

    Director: Shawn Crahan

    Starring: Kim Coates, Reno Wilson, Bruno Gunn, Alison Lohman, Erica Lynne Arden

    Synopsis: Based on the Man of Action/Image Comics original graphic novel created by Joe Casey and Chris Burnham, written by Joe Casey, about a police officer who can't be stopped by death so he returns to the streets time and time again to fight crime.

    Tagline: Protecting. Serving. Ass kicking.

  7. Ogre (2008)

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    R | 1h 30min | 90min | 08 Mar 2008

    Ogre 2008
       Score: 4.26/10

    Director: Steven R. Monroe

    Starring: Katharine Isabelle, Chelan Simmons, Don Thompson, Brendan Fletcher, John Shaw

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

    Tagline: No Donkey. No Fairy Tale. Just TERROR.

  8. Okja (2017)

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    R | 2h 00min | 120min | 28 Jun 2017

    Okja 2017
       Score: 7.52/10

    Directors: Joon-ho Bong, Joon Ho Bong, Bong Joon Ho

    Starring: Bill Nighy, Jake Gyllenhaal, Devon Bostick, Tilda Swinton, Kathryn Kirkpatrick

    Synopsis: For 10 idyllic years, young Mija (An Seo Hyun) has been caretaker and constant companion to Okja-a massive animal and an even bigger friend-at her home in the mountains of South Korea. But that changes when a family-owned multinational conglomerate Mirando Corporation takes Okja for themselves and transports her to New York, where image obsessed and self-promoting CEO Lucy Mirando (Tilda Swinton) has big plans for Mija's dearest friend. With no particular plan but single-minded in intent, Mija sets out on a rescue mission, but her already daunting journey quickly becomes more complicated when she crosses paths with disparate groups…

    Tagline: A Netflix Original Film

  9. Ombis: Alien Invasion (2013)

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    R | 1h 25min | 85min | 18 May 2013

    Ombis: Alien Invasion 2013
       Score: 5.4/10

    Director: Adam R. Steigert

    Starring: Lynn Lowry, Daniel James, Michael Sciabarrasi, Norman Queeno, Jason John Beebe

    Synopsis: Peaceful, rustic Metzburgh is a quiet village which was a former industrial town whose glory days are long past after the collapse of Metzburgh Grain. Teenager Mark Lowe (Jason John Beebe) and his ex-girlfriend Lucy Greenheart (Sarah Manzella) are stuck in a lovers quarrel when a meteorite crash lands in the passive community. Glen (Robert Bozek ), an ex-employee of the grain silos who became homeless after the collapse of the mills, stumbles upon the fiery crash. Unaware that his find could be dangerous, he gets too close and a chemical poison sprays out of the meteorite, enveloping him. The…

    Tagline: the Invasion Begins 2013

  10. On the Beach (1959)

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    R | 2h 14min | 134min | 17 Dec 1959

    On the Beach 1959
       Score: 7.4/10

    Director: Stanley Kramer

    Starring: Anthony Perkins, Gregory Peck, Peter Williams, Grant Taylor, Fred Astaire

    Synopsis: In 1964, atomic war wipes out humanity in the northern hemisphere; one American submarine finds temporary safe haven in Australia, where life-as-usual covers growing despair. In denial about the loss of his wife and children in the holocaust, American Captain Towers meets careworn but gorgeous Moira Davidson, who begins to fall for him. The sub returns after reconnaissance a month (or less) before the end; will Towers and Moira find comfort with each other?

    Tagline: The Biggest Story Of our Time!

  11. One-Eyed Monster (2008)

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    R | 1h 24min | 84min

    One-Eyed Monster 2008
       Score: 4.39/10

    Director: Adam Fields

    Starring: Jeff Denton, Amber Benson, Charles Napier, Bart Fletcher, John Edward Lee

    Synopsis: Ten people travel into the mountains of Northern California to shoot a porn movie. During a scene break early in filming Ron Jeremy gets hit by a shooting star and in the following scene his penis, now possessed by a sex-hungry alien, detaches itself, leaving Ron for dead. The remaining cast and crew theorize about the murdering penis' vulnerability after climax, 'when it is limp, and at its weakest'. They hatch a plan to lure the penis into a neuro-tactile simulator and then circumcise it with an ax during its 'refractory period'.

    Tagline: If you see it coming, you're already dead.

  12. Open Your Eyes (1997)

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    R | 1h 57min | 117min | 19 Dec 1997

    Open Your Eyes 1997
       Score: 8.15/10

    Directors: Alejandro Amenábar, Alejandro Amenábar

    Starring: Penélope Cruz, Penélope Cruz, Javier Martín, Jaro, José Ángel Egido

    Synopsis: A once handsome playboy, César finds himself in a mental facility and he can't remember why. All he can remember is meeting the love of his life for one day, and then getting into a car accident which left his face horribly disfigured. But the pain of becoming physically undesirable may help him to find the truth.

  13. Orbiter 9 (2017)

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    R | 1h 35min | 95min | 07 Apr 2017

    Orbiter 9 2017
       Score: 5.16/10

    Director: Hatem Khraiche

    Starring: Clara Lago, Luna Baxter, Kristina Lilley, Silvia Varon, Álex González

    Synopsis: Helena is a young girl who spent all her life in a space pod just after her birth, traveling from Earth to a distant planet where she will reunite with others space colonials, with the voice of the on-board computer as only one company. Arriving to a space station for maintenance works, Helena meets Álex, the repairman, falling in love with him quickly. But Álex, still traumatized by the ghosts of his own past, decides some days later after to meet Helena break all rules and reveal her the truth.

    Tagline: Love will set you free

  14. OtherLife (2017)

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    R | 1h 36min | 96min | 15 Oct 2017

    OtherLife 2017
       Score: 5.34/10

    Director: Ben C. Lucas

    Starring: Tiriel Mora, Priscilla-Anne Forder, Kelsie Anderson, Renato Fabretti, Jean Marcello

    Synopsis: After inventing a drug that induces time-compressed virtual realities, young Ren grapples with partner Sam over how to use their powerful creation.

    Tagline: A whole year in a minute.

  15. Outbreak (1995)

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    R | 2h 07min | 127min | 10 Mar 1995

    Outbreak 1995
       Score: 6.92/10

    Director: Wolfgang Petersen

    Starring: Morgan Freeman, Zakes Mokae, Donald Sutherland, Patrick Dempsey, Maury Sterling

    Synopsis: When a disease in Africa is discovered, Colonel Sam Daniels of the United States Army Medical Research Institute for Infectious Diseases or USAMRIID, is sent to investigate. When he reports back to his superior officer General Ford and tells him that they should put out an alert on this disease but the General that since the disease is so far away and not airborne that it can't possibly reach the U.S. However, a monkey from that part of Africa was captured and brought to the U.S. and a man who works at the customs house took it and tried to…

    Tagline: Try to remain calm.

  16. Outland (1981)

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    R | 1h 49min | 109min | 22 May 1981

    Outland 1981
       Score: 6.13/10

    Director: Peter Hyams

    Starring: Eugene Lipinski, Angus MacInnes, Peter Boyle, Frances Sternhagen, Brendan Hughes

    Synopsis: Marshal W.T. O'Niel is assigned to a mining colony on Io, one of Jupiter's moons. During his tenure miners are dying - usually violently. When the marshal investigates he discovers the one thing all the deaths have in common is a lethal amphetamine-type drug, which allows the miners to work continuously for days at a time until they become "burned out" and expire. O'Niel follows the trail of the dealers, which leads to the man overseeing the colony. Now O'Niel must watch his back at every turn, as those who seek to protect their income begin targeting him...

    Tagline: On Jupiter's moon something deadly is happening

  17. Outlander (2008)

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    R | 1h 55min | 115min | 11 Jul 2008

    Outlander 2008
       Score: 5.48/10

    Director: Howard McCain

    Starring: Ron Perlman, John Hurt, Sophia Myles, Todd Schroeder, Ted Ludzik

    Synopsis: In 709 AD, in the Iron Age, a spacecraft crashes in the Viking kingdom of Herot, Norway, and the pilot Kainan survives. He turns the beacon on; learns the language and culture of the planet using a machine; and finds that the predator, Moorwen, that he was transporting, had escaped. While chasing the alien monster, he finds a village completely destroyed and is arrested by the warrior Wulfric, believing that he killed the locals - Kainan is brought to Herot as a prisoner.

    Tagline: It destroyed his world. He won't let it destroy ours.

  18. Outpost (2008)

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    R | 1h 30min | 90min | 11 Mar 2008

    Outpost 2008
       Score: 5.16/10

    Director: Steve Barker

    Starring: Richard Brake, Michael Smiley, Ray Stevenson, Julian Wadham, Paul Blair

    Synopsis: In a seedy bar in a town ravaged by war, mysterious businessman Hunt hires ex-marine D.C. to assemble a crack team of ex-soldiers to protect him on a dangerous journey into no-man's land. To this gang of hardened warriors, battle-worn veterans and borderline criminals killing is just a job - and one they enjoy. Their mission - to scope out an old military bunker. It should be easy - 48 hours at the most. Lots of cash for little risk, or so he says. Once at the outpost, the men make a horrific discovery that turns their mission on its…

    Tagline: You can't kill what's already dead

  19. Outpost 11 (2013)

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    R | 1h 30min | 90min

    Outpost 11 2013
       Score: 4.37/10

    Director: Anthony Woodley

    Starring: Bernard Hill, Billy Clarke, Luke Healy, Joshua Mayes-Cooper, Graham Till

    Synopsis: Set in an alternative past where steam power still rules the world, outpost 11 is the story of three soldiers manning a remote listening post in the Arctic Circle. One day the warning light goes off unexpectedly and their world is plunged into chaos. Albert , Mason, Graham must fight the isolation, madness and arctic spiders to survive. Think 'The Thing' 'How I Ended this Summer' mixed with 'Videodrome'

    Tagline: A man cannot call himself a man unless he has been outside the box, inside the box is reality, outside is insanity.

  20. Outpost: Rise of the Spetsnaz (2013)

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    R | 1h 27min | 87min

    Outpost: Rise of the Spetsnaz 2013
       Score: 4.8/10

    Director: Kieran Parker

    Starring: Bryan Larkin, James McCreadie, Craig Smith, Douglas Russell, Ben Lambert

    Synopsis: In this third installment of the hit Nazi Zombie action horror movie, Outpost: Rise Of The Spetnaz, we discover the horrifying origins of these supernatural soldiers and see them in ferocious gladiatorial battle against the most ruthless and notorious of all military special forces: the Russian Spetsnaz.

  21. Overlord (2018)

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    R | 1h 50min | 110min | 09 Nov 2018

    Overlord 2018
       Score: 6.93/10

    Director: Julius Avery

    Starring: Hélène Cardona, Jorge Leon Martinez, Mickey Lewis, Bokeem Woodbine, Meg Foster

    Synopsis: On the eve of D-Day, the 5th of June, 1944, several American paratroopers are dropped behind enemy lines to carry out a mission crucial to the invasion's success: destroy a radio tower built in a little castle of an old French town that the Third Reich uses for communication between Berlin and Normandy beaches' bunkers. Due to the intense enemy fire, the planes are shot down and most soldiers die in the landing or are killed by the Nazis' night patrols after they land. However, a private named Ed Boyce survives to find Corporal Ford, a last-minute incorporation from Italy…

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