Old (2021)
Rating: ★★★½
Beach Where People Rapidly Age
Omega Cop (1990)
Rating: ★½
Post-Holocaust Action
Omega Doom (1996)
Rating: ★★
Post-Holocaust Cyborg War
The Omega Man (1971)
Rating: ★★
Last Man on Earth vs Mutants/I Am Legend Adaptation
On Her Majesty’s Secret Service (1969)
Rating: ★★★½
James Bond Film
On the Beach (1959)
Rating: ★★★
The Nuclear Holocaust
On the Beach (2000)
Rating: ★★★
The Nuclear Holocaust
On the Comet (1970)
Rating: ★★½
Jules Verne Adaptation/Swept Away on a Comet
On the Silver Globe (1988)
Rating: ★★★
Colonisation of a Alien Planet
The One (2001)
Rating: ★★
Alternative Universe Hopping Action
One Million B.C. (1940)
Rating: ★★★
Cavemen vs Dinosaurs/Prehistoric Drama
One Million Years B.C. (1966)
Rating: ★★★
Cavemen vs Dinosaurs/Prehistoric Drama
One of Our Spies is Missing (1966)
Rating: ★★★
The Man from U.N.C.L.E. Film/Spy Film
One Point 0 (2004)
Rating: ★★
Strange Apartment Neighbours/Reality Blurrings and Paranoia
One Spy Too Many (1966)
Rating: ★★★
The Man from U.N.C.L.E. Film/Spy Film
One Under the Sun (2017)
Rating: ★
Astronaut Returns Changed
Only (2019)
Rating: ★★½
Plague That Has Killed All Women
Open Your Eyes (1997)
Rating: ★★★★
Reality Bender
Operation Avalanche (2016)
Rating: ★★★½
The Faking of the Moon Landing/Found Footage
Operation Fortune: Ruse de Guerre (2023)
Rating: ★★★
Spy/Action Film
Orbiter 9 (2017)
Rating: ★★
Lone Girl on a Space Mission Discovers the Real World
The Order of the Black Eagle (1987)
Rating: ★★
Spy/Action Film
Orgazmo (1997)
Rating: ★★½
Mormon Porn Star Superhero
The Other Me (2000)
Rating: ★½
Kid and His Clone/Children’s Film
OtherLife (2017)
Rating: ★★
Programmed Artificial Memories
Our Man Flint (1966)
Rating: ★★★
Spy Film Spoof
Outbreak (1995)
Rating: ★★★
Plague Outbreak
Outer Touch (1979)
Rating: ★
Alien Women Abduct Men/Sex Comedy
Outland (1981)
Rating: ★★★
Action Set on One of Jupiter’s Moons
Outlander (2008)
Rating: ★★½
SF Version of Beowulf
Outside the Wire (2021)
Rating: ★
Rogue Military Android
The Outsider (1996)
Rating: ★½
Android Amusement Park Amok
Ow (2014)
Rating: ★★
Mysterious Alien Object
Oxygen (2021)
Rating: ★★★½
Woman Imprisoned in a Cryogenic Capsule
P.G. Psycho Goreman (2020)
Rating: ★★★
Kids Befriend Evil Intergalactic Tyrant
Pacific Rim (2013)
Rating: ★★★½
Giant Mecha Robots vs Giant Monsters
Pacific Rim: Uprising (2018)
Rating: ★★
Giant Mecha Robots
The Pacifier (2005)
Rating: ★
Action Hero Becomes Babysitter Comedy
Pajama Party (1964)
Rating: ★★
Beach Party Comedy with Martian Visitor
Pandorica (2016)
Rating: ★★
Post-Holocaust
Pandorum (2009)
Rating: ★★★
Space Mission Gone Wrong
Panic in Year Zero! (1962)
Rating: ★★
Nuclear War/Ruthless Survivalism
Paprika (2006)
Rating: ★★½
Anime/Dream Therapy Device
Paradise Hills (2019)
Rating: ★★
Future Re-Education Facility
Paradox (2016)
Rating: ★★½
Time Travel Experiment Goes Wrong
Parallel (2018)
Rating: ★★★
Portal to a Parallel Timeline
Parallel World Love Story (2019)
Rating: ★★
Man Leads Two Parallel Lives
Parallels (2015)
Rating: ★★★
Alternative Universe Hopping
Parasite (1982)
Rating: ½
Chestbursting Nasty
Parasyte Part 1 (2014)
Rating: ★★★
Body-Snatching Shapeshifting Parasites
Parasyte Part 2 (2015)
Rating: ★★★½
Body-Snatching Shapeshifting Parasites
Parts: The Clonus Horror (1979)
Rating: ★★★
Secret Cloning Program
Passengers (2016)
Rating: ★★★★
Cryogenic Sleepers Awake Aboard a Space Voyage
The Passion of Ayn Rand (1999)
Rating: ★★★
SF Writer-Philosopher Biopic
Past Perfect (1996)
Rating: ★★
Assassins from the Future/Action
Patema Inverted (2013)
Rating: ★★★
Anime/Two Worlds With Gravity in Opposing Directions
Patient Zero (2012)
Rating: ★★
Madness-Inducing Virus Released at a Laboratory
Patlabor: The Mobile Police (1989)
Rating: ★★½
Anime/Police Amok-Robot Squad
The Patriot (1998)
Rating: ★
Action Film/Biowarfare Outbreak
Paul (2011)
Rating: ★★★½
Science-Fiction Fans Encounter an Alien Comedy
Paycheck (2003)
Rating: ★★
Precognition/Action Film/Philip K. Dick Adaptation
Peacemaker (1990)
Rating: ★★★
Alien Cop and Criminal Fight on Earth
The People (1972)
Rating: ★★★
Town of Alien Refugees
The People That Time Forgot (1977)
Rating: ★★★
Prehistoric Lost World
The People vs. George Lucas (2011)
Rating: ★★★
Stars Wars Fandom Documentary
The People Who Own the Dark (1976)
Rating: ★★
Nuclear War Outbreak
Per Aspera Ad Astra (1981)
Rating: ★★
Soviet Science-Fiction/Female Alien Visitor
Percy (1971)
Rating: ★
Penis Transplant Comedy
Percy’s Progress (1974)
Rating: ★½
Last Fertile Man on Earth Comedy
Perfect Sense (2011)
Rating: ★★★½
World Where People Start Losing Their Sensory Perceptions
The Perfect Weapon (2016)
Rating: ★★
Action Film/Dystopian Future
The Perfect Woman (1949)
Rating: ★★½
Android Woman Comedy
Pet Shop (1995)
Rating: 0
Shape-Changing Alien Pets
The Phantom Empire (1935)
Rating: ★★
Serial/Lost Underground City
The Phantom from 10,000 Leagues (1955)
Rating: ★
Atomic Sea Monster
The Phantom Planet (1961)
Rating: ★
Miniature Planet
Phenomenon (1996)
Rating: ★★
Man Gains Expanded Mental Powers
The Philadelphia Experiment (1984)
Rating: ★★★
Time Travel Experiment Amok
The Philadelphia Experiment (2012)
Rating: ★★
Time Travel Experiment Amok
Philadelphia Experiment II (1993)
Rating: ★★
Alternate History/Nazis Rule
Phoenix Forgotten (2017)
Rating: ★★
UFOs/Found Footage
The Phoenix Incident (2015)
Rating: ★★
UFOs/Found Footage
The Phoenix Project (2015)
Rating: ★★
Experiments in the Resurrection of the Dead
The Photon Effect (2010)
Rating: ★★
Superpowers
Pi (1998)
Rating: ★★★★
Reality-Bending Mathematics
The Pink Cloud (2021)
Rating: ★★½
Toxic Cloud
The Pink Panther Strikes Again (1976)
Rating: ★★★½
Bumbling Police Inspector Comedy
Piranha (1978)
Rating: ★★★
Killer Fish
Piranha Sharks (2016)
Rating: ½
Gonzo Killer Shark Film
Pitch Black (2000)
Rating: ★★★★
Planetary Survival
Pixels (2015)
Rating: ★★
Alien Invaders Bring Classic Videogames to Life
PK (2014)
Rating: ★★★½
Bollywood Film/Innocent Alien Visitor
The Place Promised in Our Early Days (2004)
Rating: ★★★
Anime/Alternate History/Mysterious Tower
Plague (1978)
Rating: ★½
Plague Outbreak
The Plague (1992)
Rating: ★
Plague Outbreak/Albert Camus Adaptation
Plan 9 (2015)
Rating: ★★
Modern Reworking of Plan 9 from Outer Space
Plan 9 from Outer Space (1959)
Rating: ★★★★
Alien Invasion/Classic Bad Movie
Planet 51 (2009)
Rating: ★★½
Animation/Human Astronaut Seen as an Invader on an Alien Planet
Planet Earth (1974)
Rating: ★★
Post-Holocaust Women Rule Society
Planet Hulk (2010)
Rating: ★★½
Animation/Marvel Comics Superhero