List of Sci-fi Movies starting with O
List of Sci-fi movies starting with letter O - Sci-fi Movies List
Click the movies below to see that films' synopsis, plot, cast/actors, directors, full poster, movie trailer, and review.
16). Open Grave (2013) (Movie Info + Poster + Trailer)
Honest Review: Open Grave (2013)
Score: 4.2/10 | IMDB Rating: 6.1/10 | IMDB Votes: 32,317 | Rotten Tomatoes: 1.9/10 | Metascore: 3.3/10 | MPAA Rating: Unrated
Plot / Synopsis: A man wakes up in the wilderness, in a pit full of dead bodies, with no memory and must determine if the murderer is one of the strangers who rescued him, or if he himself is the killer.Tagline: The moment you wake up, the nightmare begins...
17). Open Your Eyes (1997) (Movie Info + Poster + Trailer)

Score: 8.2/10 | IMDB Rating: 7.7/10 | IMDB Votes: 75,516 | Rotten Tomatoes: 8.7/10 | MPAA Rating: R | Gross: $370,720
Plot / Synopsis: A very handsome man finds the love of his life, but he suffers an accident and needs to have his face rebuilt by surgery after it is severely disfigured...
18). Orbiter 9 (2017) (Movie Info + Poster + Trailer)

Score: 5.16/10 | IMDB Rating: 5.9/10 | IMDB Votes: 8,664 | MPAA Rating: R
Plot / 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 ?lex, the repairman, falling in...
19). Osiris (2025) (Movie Info + Poster + Trailer)

Score: 4.85/10 | IMDB Rating: 4.7/10 | IMDB Votes: 4,093 | Rotten Tomatoes: 5.0/10 | MPAA Rating:
Plot / Synopsis: Special Forces commandos are abducted mid-operation by a mysterious spacecraft and, upon awakening, find themselves prey to a relentless alien race in a fight for survival...
20). OtherLife (2017) (Movie Info + Poster + Trailer)

Score: 5.29/10 | IMDB Rating: 6.2/10 | IMDB Votes: 17,518 | MPAA Rating: TV-MA
Plot / Synopsis: Ren Amari is the driven inventor of a revolutionary new drug. OtherLIfe expands the brain's sense of...
21). Our House (2018) (Movie Info + Poster + Trailer)

Score: 5.33/10 | IMDB Rating: 5.3/10 | IMDB Votes: 9,840 | Rotten Tomatoes: 6.2/10 | Metascore: 4.5/10 | MPAA Rating: PG-13
Our House is Streaming on TubiPlot / Synopsis: Ethan is suffering enormous guilt after his parents are killed in a car accident. He quits a promising future at MIT and work on a revolutionary experiment in order to care for his younger siblings...
22). Outbreak (1995) (Movie Info + Poster + Trailer)
What We Thought of Outbreak
Score: 6.9/10 | IMDB Rating: 6.6/10 | IMDB Votes: 142,935 | Rotten Tomatoes: 5.9/10 | Metascore: 6.4/10 | MPAA Rating: R | Gross: $67,659,560
Plot / Synopsis: Extreme measures are necessary to contain an epidemic of a deadly airborne virus. But how extreme, exactly?Tagline: Try to remain calm...
23). Outland (1981) (Movie Info + Poster + Trailer)
Our Take on Outland (1981)
Score: 5.76/10 | IMDB Rating: 6.6/10 | IMDB Votes: 34,022 | Rotten Tomatoes: 5.5/10 | Metascore: 4.8/10 | MPAA Rating: R | Gross: $17,374,595
Plot / Synopsis: In the distant future, a police marshal stationed at a remote mining colony on the Jupiter moon of Io uncovers a drug-smuggling conspiracy, and gets no help from the populace when he later finds himself marked for murder.Tagline: On Jupiter's moon something deadly is happening...
24). Outlander (2008) (Movie Info + Poster + Trailer)
Detailed Review: Outlander (2008)
Score: 5.46/10 | IMDB Rating: 6.2/10 | IMDB Votes: 80,413 | Rotten Tomatoes: 3.7/10 | Metascore: 4.0/10 | MPAA Rating: R | Gross: $166,003
Plot / Synopsis: During the reign of the Vikings, Kainan, a man from a far-off world, crash lands on Earth, bringing with him an alien predator known as the Moorwen. Though both man and monster are seeking revenge for violence committed against them, Kainan leads the alliance to kill the Moorwen by fusing his advanced technology with the Viking's Iron Age weaponry...
25). Outpost (2008) (Movie Info + Poster + Trailer)

Score: 5.11/10 | IMDB Rating: 5.8/10 | IMDB Votes: 18,344 | MPAA Rating: R
Plot / Synopsis: In war-torn Eastern Europe, a world-weary group of mercenaries discover a long-hidden secret in an abandoned WWII bunker.
Tagline: You can't kill what's already dead...
26). Outpost 11 (2013) (Movie Info + Poster + Trailer)

Score: 4.31/10 | IMDB Rating: 3.8/10 | IMDB Votes: 796 | MPAA Rating: R
Plot / Synopsis: Set in an alternative past where steam power still rules the world, Outpost 11 is the story of three...
Tagline: A man cannot call himself a man unless he has been outside the box, inside the box is reality, outside is insanity...
27). Outpost: Rise of the Spetsnaz (2013) (Movie Info + Poster + Trailer)

Score: 4.75/10 | IMDB Rating: 5.0/10 | IMDB Votes: 2,543 | MPAA Rating: R
Plot / Synopsis: In this third installment of the hit Nazi Zombie action horror movie, Outpost: Rise Of The Spetnaz,...
28). Overlord (2018) (Movie Info + Poster + Trailer)
Read Our Overlord Review
Score: 6.96/10 | IMDB Rating: 6.6/10 | IMDB Votes: 112,047 | Rotten Tomatoes: 8.2/10 | Metascore: 6.0/10 | MPAA Rating: R | Gross: $21,704,844
Plot / Synopsis: On the eve of D-Day, American paratroopers are dropped behind enemy lines to carry out a mission crucial to the invasion's success. But as they approach their target, they begin to realize there is more going on in this Nazi-occupied village than a simple military operation. They find themselves fighting against supernatural forces, part of a Nazi experiment...
29). Override (2021) (Movie Info + Poster + Trailer)

Score: 4.26/10 | IMDB Rating: 3.9/10 | IMDB Votes: 2,848 | MPAA Rating: R
Plot / Synopsis: A young woman finds herself reliving the same day over and over. Each day Ria wakes up to her normal routine, but finds a different man, her husband Jack, by her side. She lives her perfect house-wife life, until one day her routine becomes tiresome and Ria holds Jack ransom and escapes the house. We find a massive conspiracy...