Total Nerd The Scariest Sci-Fi Movies Rated R  

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6.2k votes 623 voters 29.6k views 139 items

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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. (139 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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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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Predator is listed (or ranked) 5 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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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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Terminator 2: Judgment Day is listed (or ranked) 7 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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28 Days Later is listed (or ranked) 8 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 Terminator is listed (or ranked) 9 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added The Terminator Arnold Schwarzenegger, Bill Paxton, Linda Hamilton The Terminator is a 1984 American science fiction/horror action film directed by James Cameron, written by Cameron and the film's producer Gale Anne Hurd, and starring Arnold Schwarzenegger, ...more

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The Fly is listed (or ranked) 10 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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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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The Mist is listed (or ranked) 12 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added The Mist Thomas Jane, Marcia Gay Harden, Laurie Holden The Mist is a 2007 American science fiction horror film based on the 1980 novella of the same name by Stephen King. The film was written and directed by Frank Darabont, who had previously ...more

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Donnie Darko is listed (or ranked) 13 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added Donnie Darko Drew Barrymore, Ashley Tisdale, Jake Gyllenhaal Donnie Darko is a 2001 American supernatural drama film written and directed by Richard Kelly and starring Jake Gyllenhaal, Drew Barrymore, Patrick Swayze, Maggie Gyllenhaal, Noah Wyle, Jena ...more

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District 9 is listed (or ranked) 14 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added District 9 Sharlto Copley, Jed Brophy, Vanessa Haywood District 9 is a 2009 science fiction film directed by Neill Blomkamp, released August 13, 2009. It takes place in Johannesburg, South Africa. District 9 is based on Alive in Joburg, a short film ...more

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The Thing is listed (or ranked) 15 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added The Thing Mary Elizabeth Winstead, Eric Christian Olsen, Joel Edgerton The Thing is a 2011 science fiction horror film directed by Matthijs van Heijningen Jr. and written by Eric Heisserer based on the novella Who Goes There? by John W. Campbell. It is a prequel to ...more

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Invasion of the Body Snatchers is listed (or ranked) 16 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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Jacob's Ladder is listed (or ranked) 17 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added Jacob's Ladder Macaulay Culkin, Tim Robbins, Jason Alexander Jacob's Ladder is a 1990 American psychological horror film directed by Adrian Lyne, written and produced by Bruce Joel Rubin and starring Tim Robbins, Elizabeth Peña and Danny Aiello. ...more

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Dark City is listed (or ranked) 18 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added Dark City Jennifer Connelly, Kiefer Sutherland, Melissa George Dark City is a 1998 neo-noir science fiction film directed by Alex Proyas. The screenplay was written by Proyas, Lem Dobbs and David S. Goyer. The film stars Rufus Sewell, Kiefer Sutherland, ...more

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Alien: Covenant is listed (or ranked) 19 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added Alien: Covenant Michael Fassbender, Katherine Waterston, Billy Crudup Alien: Covenant is a 2017 science fiction horror film directed by Ridley Scott, and the sixth film in the Alien film series. The crew of a colony ship, bound for a remote planet, discover an ...more

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Ex Machina is listed (or ranked) 20 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added Ex Machina Ex Machina is a 2015 independent science fiction psychological thriller film directed by Alex Garland. A young programmer (Domhnall Gleeson) is selected to participate in a ground-breaking ...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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12 Monkeys is listed (or ranked) 22 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added 12 Monkeys Brad Pitt, Bruce Willis, Christopher Plummer 12 Monkeys, also known as Twelve Monkeys, is a 1995 American science fiction film directed by Terry Gilliam, inspired by Chris Marker's 1962 short film La Jetée, and starring Bruce ...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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Life is listed (or ranked) 24 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added Life Jake Gyllenhaal, Rebecca Ferguson, Olga Dihovichnaya Life is a 2017 science fiction horror thriller film directed by Daniel Espinosa. The film stars Jake Gyllenhaal, Rebecca Ferguson, Olga Dihovichnaya, Ariyon Bakare, Hiroyuki Sanada and Ryan ...more

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1520156013574 added Cube Nicole de Boer, Julian Richings, David Hewlett Cube is a 1997 Canadian science fiction psychological horror film, directed and co-written by Vincenzo Natali. The film was a successful product of the Canadian Film Centre's First Feature

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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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abyx added Under the Skin Scarlett Johansson, Kryštof Hádek, Paul Brannigan Under the Skin is a 2013 science fiction film directed by Jonathan Glazer, loosely based on Michel Faber's 2000 novel. A mysterious young woman (Scarlett Johansson) seduces lonely men in the ...more

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The Last Days on Mars is listed (or ranked) 28 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added The Last Days on Mars Liev Schreiber, Olivia Williams, Romola Garai The Last Days on Mars is a 2013 science fiction-horror film directed by Ruairí Robinson with a screenplay by Clive Dawson, based on the short story "The Animators" by Sydney J. ...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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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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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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Pitch Black is listed (or ranked) 32 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added Pitch Black Vin Diesel, Radha Mitchell, Keith David Pitch Black is a 2000 science fiction horror film co-written and directed by David Twohy. The film stars Vin Diesel, Radha Mitchell, Cole Hauser, and Keith David. Dangerous criminal Richard B. ...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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Predator 2 is listed (or ranked) 34 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added Predator 2 Gary Busey, Bill Paxton, Danny Glover Predator 2 is a 1990 American science fiction action horror film written by Jim and John Thomas, directed by Stephen Hopkins, and starring Danny Glover and Kevin Peter Hall. The film is a sequel ...more

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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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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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The Void is listed (or ranked) 37 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added the void Aaron

Shortly after delivering a patient to an understaffed hospital, a police officer experiences strange and violent occurrences seemingly linked to a group of mysterious hooded figures.

The Void is a 2001 American direct-to-DVD science-fiction thriller film which follows a scientist who has discovered that a man who's been attempting to solve an energy crisis has inadvertently ...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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The Cell is listed (or ranked) 39 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added The Cell Jennifer Lopez, Vince Vaughn, Vincent D'Onofrio The Cell is a 2000 horror film directed by Tarsem Singh, and starring Jennifer Lopez, Vince Vaughn and Vincent D'Onofrio.

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1520156013574 added The Crazies Danielle Panabaker, Timothy Olyphant, Radha Mitchell The Crazies is a 2010 American horror film directed by Breck Eisner, with a screenplay by Scott Kosar and Ray Wright. The film is a remake of the 1973 film of the same name by George A. Romero, ...more

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Predators is listed (or ranked) 41 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added Predators Topher Grace, Laurence Fishburne, Adrien Brody Predators is a 2010 American science fiction action film directed by Nimród Antal and starring Adrien Brody, Topher Grace, Alice Braga, Walton Goggins, Laurence Fishburne, Danny Trejo, ...more

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Annihilation is listed (or ranked) 42 on the list The Scariest Sci-Fi Movies Rated R
1520156013574 added Annihilation Natalie Portman, Jennifer Jason Leigh, Gina Rodriguez Annihilation is a 2018 science fantasy action horror film directed by Alex Garland, based on the novel by Jeff VanderMeer. A biologist (Natalie Portman) signs up for a dangerous, secret ...more

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1520156013574 added Alien: Resurrection Winona Ryder, Sigourney Weaver, Ron Perlman Alien: Resurrection is a 1997 American science fiction action horror film directed by Jean-Pierre Jeunet and written by Joss Whedon. It is the fourth installment in the Alien film series, and ...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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Species is listed (or ranked) 45 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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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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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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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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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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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