Total Nerd The Scariest Sci-Fi Movies Rated R  

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List of R-Rated sci-fi horror movies, ranked from best to worst with movie trailers when available. This list takes the best R-Rated sci-fi horror movies and pits them against each other to see once and for all what the greatest R-Rated Sci-Fi horror movie of all time is. This list of popular R-Rated sci-fi horror movies includes information like who directed the film, when it was released and which actors starred in the movie. If you think the top R-Rated Sci-Fi horror movie isn't as high as it should be then be sure to vote it up so it can take its rightful place among the other great R-Rated Sci-Fi horror films on this list. If you're trying to find a specific R-Rated Sci-Fi horror film you can search this list and filter to find what you're looking for.

The list you're viewing is made up of many different movies, including Aliens and 28 Days Later.

If you're trying to find out "What are the best R-Rated sci-fi horror movies?" and "What are the most famous R-Rated sci-fi horror movies?" then this list is the perfect resource for you.

Use this list if you're looking for some new sci-fi horror movies that are rated R. Between Netflix, Hulu and other services there are thousands of great sci-fi horror movies rated R, so get out there and start watching.

Re-rank this list to fit your opinions, the share it with your friends, to find out how they would rank it via votes. (98 items)

What kind of directors have worked on R Sci-Fi Horror movies in the past? James Cameron and Ridley Scott both have, as have other great directors.

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Alien is listed (or ranked) 1 on the list The Scariest Sci-Fi Movies Rated R
but chickens double d added Alien Sigourney Weaver, John Hurt, Ian Holm Alien is a 1979 science-fiction horror film directed by Ridley Scott, and starring Tom Skerritt, Sigourney Weaver, Veronica Cartwright, Harry Dean Stanton, John Hurt, Ian Holm and Yaphet Kotto. ...more

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but chickens double d added The Thing Kurt Russell, Keith David, John Carpenter The Thing is a 1982 American science fiction horror film directed by John Carpenter, written by Bill Lancaster, and starring Kurt Russell. The film's title refers to its primary antagonist: a ...more

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Aliens Sigourney Weaver, Bill Paxton, Michael Biehn Aliens is a 1986 American science-fiction action horror film written and directed by James Cameron, produced by his then-wife Gale Anne Hurd, and starring Sigourney Weaver, Carrie Henn, Michael ...more

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Predator is listed (or ranked) 4 on the list The Scariest Sci-Fi Movies Rated R
but chickens double d added Predator Arnold Schwarzenegger, Jesse Ventura, Carl Weathers Predator is a 1987 American science fiction action film directed by John McTiernan and was distributed by 20th Century Fox. It stars Arnold Schwarzenegger, Carl Weathers, Elpidia Carrillo, Bill ...more

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Event Horizon Laurence Fishburne, Jason Isaacs, Sam Neill Event Horizon is a 1997 British-American science fiction horror film. The screenplay was written by Philip Eisner and directed by Paul W. S. Anderson. The film stars Laurence Fishburne and Sam ...more

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28 Days Later is listed (or ranked) 6 on the list The Scariest Sci-Fi Movies Rated R
28 Days Later Cillian Murphy, Christopher Eccleston, Naomie Harris 28 Days Later is a 2002 British post-apocalyptic horror film directed by Danny Boyle. The screenplay was written by Alex Garland. The film stars Cillian Murphy, Naomie Harris, Brendan Gleeson, ...more

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The Fly is listed (or ranked) 7 on the list The Scariest Sci-Fi Movies Rated R
but chickens double d added The Fly Geena Davis, Jeff Goldblum, David Cronenberg The Fly is a 1986 American science fiction horror film directed and co-written by David Cronenberg. Produced by Brooksfilms and distributed by 20th Century Fox, the film stars Jeff Goldblum, ...more

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Terminator 2: Judgment Day is listed (or ranked) 8 on the list The Scariest Sci-Fi Movies Rated R
lucas-webb added Terminator 2: Judgment Day Arnold Schwarzenegger, Edward Furlong, Linda Hamilton Terminator 2: Judgment Day is a 1991 American science fiction action thriller film written, produced and directed by James Cameron. The film stars Arnold Schwarzenegger, Linda Hamilton, Robert ...more

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Pandorum Dennis Quaid, Norman Reedus, Ben Foster Pandorum is a German-British 2009 post-apocalyptic science fiction film, with elements of locked room mystery, horror, and survival adventure. The film was directed by Christian Alvart and ...more

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abyx added Sunshine Rose Byrne, Chris Evans, Mark Strong Sunshine is a 2007 British science fiction thriller film directed by Danny Boyle. The film was adapted from a screenplay written by Alex Garland about the crew of a spacecraft on a dangerous ...more

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Valerie Guyant added The Evil Dead Bruce Campbell, Sam Raimi, Ted Raimi The Evil Dead is a 1981 American horror film written and directed by Sam Raimi and executive produced by Raimi and Bruce Campbell, who also stars alongside Ellen Sandweiss and Betsy Baker. The ...more

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abyx added Prometheus Charlize Theron, Michael Fassbender, Idris Elba Prometheus is a 2012 science fiction film directed by Ridley Scott, written by Jon Spaihts and Damon Lindelof, and starring Noomi Rapace, Michael Fassbender, Guy Pearce, Idris Elba, Logan ...more

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but chickens double d added Scanners Michael Ironside, Patrick McGoohan, Jennifer O'Neill Scanners is a 1981 Canadian science-fiction horror film written and directed by David Cronenberg and starring Jennifer O'Neill, Steven Lack, Michael Ironside, and Patrick McGoohan. In the film, ...more

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JohnTurner added From Beyond Barbara Crampton, Jeffrey Combs, Ken Foree From Beyond is a 1986 American science fiction-body horror film directed by Stuart Gordon, loosely based on the short story of the same name by H. P. Lovecraft. It was written by Dennis Paoli, ...more

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abyx added Alien 3 Sigourney Weaver, Charles Dance, Paul McGann Alien 3 is a 1992 American science-fiction horror film and the debut feature film of director David Fincher. The film is the third installment of the Alien film series. The film takes place ...more

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The Faculty Salma Hayek, Usher, Famke Janssen The Faculty is a 1998 science fiction horror film written by Kevin Williamson and directed by Robert Rodriguez. The film stars Josh Hartnett, Elijah Wood, Shawn Hatosy, Jordana Brewster, Clea ...more

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Re-Animator Barbara Crampton, Jeffrey Combs, David Gale Re-Animator is a 1985 American science fiction horror comedy film loosely based on the H. P. Lovecraft episodic novella "Herbert West–Reanimator." Directed by Stuart Gordon, it was the ...more

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Resident Evil Milla Jovovich, Michelle Rodriguez, Jason Isaacs Resident Evil is a 2002 German-British-French science fiction horror film written and directed by Paul W. S. Anderson. The film stars Milla Jovovich and Michelle Rodriguez. It is the first ...more

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Richard777 added Hellbound: Hellraiser II Doug Bradley, Ashley Laurence, Kenneth Cranham Hellbound: Hellraiser II is a 1988 British-American horror film directed by Tony Randel. It draws heavily upon, and was made by much of the same cast and crew as its precursor, Hellraiser.

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abyx added Mimic Josh Brolin, Mira Sorvino, Norman Reedus Mimic is an American 1997 science fiction horror film co-written and directed by Guillermo del Toro, based on a short story of the same name by Donald A. Wollheim. Del Toro was unhappy with the ...more

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28 Weeks Later Rose Byrne, Idris Elba, Jeremy Renner 28 Weeks Later is a 2007 British-Spanish post-apocalyptic science fiction horror film, structured as a sequel to the 2002 critical and commercial success, 28 Days Later. 28 Weeks Later was ...more

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abyx added Europa Report Sharlto Copley, Embeth Davidtz, Christian Camargo Europa Report is a 2013 science fiction film directed by Sebastián Cordero, and starring Christian Camargo, Anamaria Marinca, Michael Nyqvist, Daniel Wu, Karolina Wydra, and Sharlto ...more

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abyx added The Blob Erika Eleniak, Shawnee Smith, Julie McCullough The Blob is a 1988 monster horror film written by Chuck Russell and Frank Darabont, and directed by Russell. It stars Kevin Dillon, Shawnee Smith, Donovan Leitch, Jeffrey DeMunn, Candy Clark and ...more

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Lifeforce Patrick Stewart, Mathilda May, Peter Firth Lifeforce is a 1985 science fiction, horror film directed by Tobe Hooper and written by Dan O'Bannon and Don Jakoby, based on Colin Wilson's 1976 novel, The Space Vampires. Featuring Steve ...more

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abyx added Leviathan Peter Weller, Ernie Hudson, Daniel Stern Leviathan is a 1989 science fiction horror film about a hideous creature that stalks and kills a group of people in a sealed environment, in a similar vein to such films as Alien and The Thing. ...more

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Species is listed (or ranked) 26 on the list The Scariest Sci-Fi Movies Rated R
Species Michelle Williams, Ben Kingsley, Natasha Henstridge Species is a 1995 American science fiction horror film directed by Roger Donaldson, and starring Natasha Henstridge, Ben Kingsley, Michael Madsen, Alfred Molina, Forest Whitaker and Marg ...more

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Invasion of the Body Snatchers is listed (or ranked) 27 on the list The Scariest Sci-Fi Movies Rated R
abyx added Invasion of the Body Snatchers Robert Duvall, Jeff Goldblum, Leonard Nimoy Invasion of the Body Snatchers is a 1978 science fiction thriller directed by Philip Kaufman, and starring Donald Sutherland, Brooke Adams, Veronica Cartwright, Jeff Goldblum and Leonard Nimoy. ...more

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abyx added Sphere Sharon Stone, Samuel L. Jackson, Dustin Hoffman Sphere is a 1998 science fiction psychological thriller film, directed and produced by Barry Levinson and starring Dustin Hoffman, Sharon Stone, and Samuel L. Jackson. Sphere was based on the ...more

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Lee McGeorge added Videodrome Debbie Harry, James Woods, David Cronenberg Videodrome is a 1983 Canadian postmodernist science fiction body horror film written and directed by David Cronenberg, starring James Woods, Sonja Smits, and Deborah Harry. Set in Toronto in the ...more

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DeepStar Six Nia Peeples, Miguel Ferrer, Cindy Pickett DeepStar Six is an American science fiction horror film about the struggles of the crew of an underwater military outpost to defend their base against the attacks of a sea monster. It was ...more

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abyx added Under the Skin Scarlett Johansson, Kryštof Hádek, Paul Brannigan Under the Skin is a 2012 science fiction thriller film written by Jonathan Glazer and Walter Campbell and directed by Jonathan Glazer.

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abyx added Critters Billy Zane, Dee Wallace, M. Emmet Walsh Critters is a 1986 cult comedy horror science fiction film starring Dee Wallace-Stone, M. Emmet Walsh, Billy Green Bush and Scott Grimes. It was the directorial debut of Stephen Herek who ...more

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Resident Evil: Apocalypse Milla Jovovich, Iain Glen, Sienna Guillory Resident Evil: Apocalypse is a 2004 British-Canadian apocalyptic fiction action horror film directed by Alexander Witt, from a screenplay written by producer Paul W. S. Anderson. It is the ...more

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abyx added Apollo 18 Warren Christie, Michael Kopsa, Andrew Airlie Apollo 18 is a 2011 American-Canadian science fiction horror film written by Brian Miller, directed by Gonzalo López-Gallego, and produced by Timur Bekmambetov and Ron Schmidt. After ...more

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Deep Rising Famke Janssen, Djimon Hounsou, Jason Flemyng Deep Rising is a 1998 American action horror film directed by Stephen Sommers and starring Treat Williams, Famke Janssen and Anthony Heald. It was distributed by Hollywood Pictures and Cinergi ...more

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abyx added Critters 4 Angela Bassett, Brad Dourif, Martine Beswick Critters 4 is a 1992 science fiction comedy horror film starring Don Keith Opper, Terrence Mann, Angela Bassett and Brad Dourif. It was directed by Rupert Harvey and written by Harvey, Barry ...more

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abyx added Critters 2: The Main Course Lin Shaye, Scott Grimes, Terrence Mann Critters 2: The Main Course is a 1988 science fiction comedy horror film starring Terrence Mann, Don Keith Opper, and Scott Grimes. It was directed by Mick Garris and written by David Twohy and ...more

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abyx added Critters 3 Leonardo DiCaprio, Frances Bay, Terrence Mann Critters 3 is the third installment of the Critters series, directed by Kristine Peterson and is also Leonardo DiCaprio's film debut. Cary Elwes mentioned on the commentary for the uncut edition ...more

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Hollow Man Kevin Bacon, Elisabeth Shue, Josh Brolin Hollow Man is a 2000 American-German science fiction-thriller-horror film directed by Paul Verhoeven and starring Kevin Bacon, Elisabeth Shue, and Josh Brolin. The film is about a scientist who ...more

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Splice Adrien Brody, Sarah Polley, Delphine Chanéac Splice is a 2009 Canadian-French science fiction horror film directed by Vincenzo Natali and starring Adrien Brody, Sarah Polley, and Delphine Chanéac. The story concerns experiments in ...more

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abyx added Slither Elizabeth Banks, Jenna Fischer, Rob Zombie Slither is a 2006 American science fiction-comedy horror film written and directed by James Gunn in his directorial debut, and starring Nathan Fillion, Elizabeth Banks, Gregg Henry, and Michael ...more

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Resident Evil: Extinction Milla Jovovich, Ali Larter, Ashanti RESIDENT EVIL: EXTINCTION is again based on the wildly popular video game series and picks up where the last film left off. Alice (Milla Jovovich), now in hiding in the Nevada desert, once again ...more

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Richard777 added Altered States Drew Barrymore, William Hurt, Bob Balaban Altered States is a 1980 American science fiction-horror film adaptation of a novel by the same name by playwright and screenwriter Paddy Chayefsky in his only novel he ever wrote and his final ...more

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The Lawnmower Man Pierce Brosnan, Dean Norris, Geoffrey Lewis The Lawnmower Man is a 1992 American science fiction action horror film directed by Brett Leonard and written by Brett Leonard and Gimel Everett. The film is named after a Stephen King short ...more

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abyx added Feast Krista Allen, Henry Rollins, Eric Dane Feast is a 2005 action-horror film, a result of Project Greenlight '​s third season, the amateur filmmaking documentary series and contest. The winning team was composed of writers Marcus ...more

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Xtro Anna Wing, Maryam d'Abo, Robert Fyfe Xtro is a 1983 British science fiction, horror, cult movie directed by Harry Bromley Davenport and co-produced by Bob Shaye. The film was made and completed in February 1982.

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Cube Zero David Huband, Terri Hawkes, Michael Riley Cube Zero is a 2004 Canadian psychological thriller/horror film, written and directed by Ernie Barbarash. It is the third film in the Cube film series, but is a prequel to the first film. Even ...more

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Bride of Re-Animator Fabiana Udenio, Jeffrey Combs, Kathleen Kinmont Bride of Re-Animator is a 1990 American science fiction horror film directed by Brian Yuzna and was written by Yuzna, Rick Fry and Woody Keith. H. P. Lovecraft wrote the original serialized ...more

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Brainscan Edward Furlong, Frank Langella, David Hemblen Brainscan is a 1994 horror science fiction film starring Edward Furlong, Frank Langella, Amy Hargreaves, Jamie Marsh, and T. Ryder Smith. Music was composed by movie composer George S. Clinton.

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Species II Natasha Henstridge, Marg Helgenberger, James Cromwell Species II is a 1998 American science fiction horror film, sequel to the 1995 film Species and the second installment in the Species series. The film was directed by Peter Medak and starring ...more