Are you ready to dive into the eerie and thrilling world where science fiction meets the supernatural? This curated list of 10 sci-fi films featuring demons will take you on a journey through time, space, and the darkest corners of human imagination. From demonic possessions in space to futuristic battles against otherworldly entities, these movies blend the speculative with the spectral, offering a unique cinematic experience that will chill you to the bone. Whether you're a fan of horror, sci-fi, or just looking for something out of the ordinary, this collection promises to deliver spine-tingling entertainment.

The Prophecy (1995)
Description: An archangel comes to Earth to find a human soul to end a war in Heaven, blending religious themes with sci-fi elements. It's a unique take on the battle between good and evil.
Fact: Christopher Walken's performance as the archangel Gabriel was critically acclaimed, adding a memorable edge to the film.


Hellraiser: Bloodline (1996)
Description: This installment in the Hellraiser series spans centuries, from the 18th century to the future, where a descendant of the original creator of the Lament Configuration tries to destroy the demonic Cenobites.
Fact: The film was originally planned as a direct-to-video release but was given a theatrical run due to the success of its predecessor.


The Devil's Advocate (1997)
Description: Although more of a supernatural thriller, this film includes elements of sci-fi with its portrayal of the devil in modern times, manipulating human ambition and morality.
Fact: Al Pacino improvised much of his dialogue, including the famous "Vanity, definitely my favorite sin" line.


Event Horizon (1997)
Description: A rescue crew investigates a spaceship that disappeared into a black hole and returned with something sinister on board. This film blends sci-fi with demonic horror, creating an atmosphere of dread and existential fear.
Fact: The film was inspired by the works of H.P. Lovecraft and Dante's Inferno. The original cut was much more graphic and disturbing, but was toned down for release.


The Ninth Gate (1999)
Description: A rare book dealer is hired to authenticate a book that supposedly holds the key to summoning the Devil, blending occult themes with a detective-like sci-fi narrative.
Fact: The film was based on the novel "The Club Dumas" by Arturo Pérez-Reverte, but significantly altered the plot.


Constantine (2005)
Description: John Constantine, a demon hunter with the ability to perceive angels and demons, battles to save humanity from a demonic invasion, set against a backdrop of urban fantasy and sci-fi.
Fact: The film was based on the DC/Vertigo comic book "Hellblazer," but took significant liberties with the source material.


The Day the Earth Stood Still (2008)
Description: While primarily a sci-fi film, this remake introduces elements of demonic possession through the alien's ability to control human bodies, adding a supernatural twist.
Fact: The original 1951 film was a classic, and this remake attempted to update the story for modern audiences, with mixed reviews.


Legion (2010)
Description: God loses faith in humanity and sends his angels to bring about the Apocalypse. A diner in the middle of the desert becomes the battleground for the last stand against the forces of Heaven.
Fact: The film was originally conceived as a pilot for a TV series, but was reworked into a feature film.


The Last Exorcism (2010)
Description: A documentary crew follows a pastor who performs his final exorcism, only to encounter a real demonic possession. The film uses a found footage style to enhance the realism and horror.
Fact: The film was shot in just 18 days, and the director, Daniel Stamm, was a newcomer to Hollywood at the time.


The Exorcist III (1990)
Description: While not strictly sci-fi, this sequel to the classic horror film introduces elements of time travel and demonic possession, making it a unique addition to this list. It explores the return of the Gemini Killer through supernatural means.
Fact: The film was originally conceived as a standalone thriller, but was later rebranded as a sequel to "The Exorcist" due to studio pressure.
