Jetsons: The Movie (1990)
Rating: ★★
Jetsons Movie/Animation/Future Family
Jimmy Neutron, Boy Genius (2001)
Rating: ★★
Animation/Juvenile Scientific Genius
Jiu Jitsu (2020)
Rating: ★★
Action Film/Alien-Human Combat
John Carter (2012)
Rating: ★★★
Planetary Adventure/Edgar Rice Burroughs Adaptation
Joker (2012)
Rating: ★★
Bollywood Film/Faked Crop Circles and Alien Visitation
Josh Kirby … Time Warrior! Journey to the Magic Cavern (1996)
Rating: ★★
Juvenile Adventures Through Time
Journey to the Center of Time (1967)
Rating: ½
Time Travel
Journey to the Seventh Planet (1962)
Rating: ★★½
Planet of Illusions
Jupiter Ascending (2015)
Rating: ★★★½
Space Opera
Justice League: Crisis on Infinite Earths Part One (2024)
Rating: ★★½
Animation/Comic-Book Superheroes
Justice League: Crisis on Two Earths (2010)
Rating: ★★★
Animation/Comic-Book Superheroes
Justice League: Gods and Monsters (2015)
Rating: ★★
Animation/Alternate World Justice League
Justice League of America (1997)
Rating: 0
Comic-Book Superheroes
Justice League: The Flashpoint Paradox (2013)
Rating: ★★★
Animation/Comic-Book Superheroes/Alternate Timeline
Justice League: The New Frontier (2008)
Rating: ★★★
Animation/Comic-Book Superheroes
Justice League vs Teen Titans (2016)
Rating: ★★½
Animation/Comic-Book Superheroes
K-PAX (2001)
Rating: ★★
Alien Visitor in a Psychiatric Institution
The Killer Eye (1998)
Rating: ★
Giant Horny Alien Eyeball
Killer Klowns from Outer Space (1988)
Rating: ★★
Clown Alien Invaders
Killers from Space (1953)
Rating: ★
Alien Invasion
Knowing (2009)
Rating: ★★
Prophecies of Disaster
Land of the Lost (2009)
Rating: 0
TV Series Comedy Remake/Prehistoric Lost World
Landscape with Invisible Hand (2023)
Rating: ★★★
Alien Visitors Satire
Laserblast (1978)
Rating: 0
Teen Underdog Takes Revenge with an Alien Raygun
The Last Starfighter (1984)
Rating: ★
Videogame Junkie Joins Intergalactic War
The Lathe of Heaven (1980)
Rating: ★★★½
Man Whose Dreams Change the World When He Wakes
Lazer Team 2 (2017)
Rating: ★
Idiots With Parts of a Power Suit Comedy
Lazer Team (2015)
Rating: ★★
Idiots Receive Parts of a Power Suit Comedy
Lensman (1984)
Rating: ★★
Anime/Space Opera
Lethal Target (1999)
Rating: ★★
Erotica/Alien Infection
Life (2017)
Rating: ★★★
Alien Organism Amok on the International Space Station
Lifeforce (1985)
Rating: ★★★½
Soul-Sucking Alien Vampires
Lilo & Stitch (2002)
Rating: ★★★
Disney Animation/Malevolent Alien Creature
The Little Prince (1974)
Rating: ★★
Musical Fable/Young Boy Alien Visitor
The Little Prince (2015)
Rating: ★★½
Animation/Young Boy Alien Visitor Fable
Lobster Man from Mars (1989)
Rating: ★★
Bad SF Movie Parody
Looney Tunes: Back in Action (2003)
Rating: ★★★½
Toon Adventures
Lost in Space (1998)
Rating: ★★★
Intergalactic Adventures/TV Series Remake
The Love War (1970)
Rating: ★★★
Aliens War on Earth
Mac and Me (1988)
Rating: 0
Cute Alien
Man Facing Southeast (1986)
Rating: ★★★★★
Christ-like Alien Visitor in a Psychiatric Institution
The Man from Planet X (1951)
Rating: ★★★
Alien Visitor
Man of Steel (2013)
Rating: ★★½
Comic-Book Superhero
Man Vs. (2015)
Rating: ★★½
Wilderness Survival Reality TV Star Encounters a Creature
The Man Who Fell to Earth (1976)
Rating: ★★★½
Alienated Alien Visitor
Mars Attacks! (1996)
Rating: ★★★
Gonzo Alien Invasion
Mars Needs Moms (2011)
Rating: ★★★
Animation/Boy’s Adventures on Mars
Mars Needs Women (1966)
Rating: ★
Alien Invasion
Martian Child (2007)
Rating: ★★½
Adopting a Possibly Alien Child
The Martian Chronicles (1980)
Rating: ★★
Human Colonisation of Mars/Ray Bradbury Adaptation
Martians Go Home (1990)
Rating: ½
Annoying Alien Invaders Comedy
The Marvels (2023)
Rating: 0
Marvel Comics Superheroes
Mass Effect: Paragon Lost (2012)
Rating: ★½
Anime/Videogame Adaptation
Masters of the Universe (1987)
Rating: ★★
Intergalactic Sword-and-Sorcery
The Mating Habits of the Earthbound Human (1999)
Rating: ★★
Alien Anthopolgist Studies Human Mating Behaviour
Meatball Machine: Kodoku (2017)
Rating: ★★
Gonzo Japanese Splatter Film/Bio-Mechanoid Mutations
Meatballs Part II (1984)
Rating: 0
Summer Camp Comedy/Alien Visitor
Meet Dave (2008)
Rating: ★★½
Eddie Murphy as a Spaceship Comedy
Megamind (2010)
Rating: ★★½
Animation/Comic Travails of a Super-Villain
Men in Black (1997)
Rating: ★★★
Alien Coverup Conspiracy Agency
Men in Black 3 (2012)
Rating: ★★
Alien Coverup Conspiracy Agency
Men in Black II (2002)
Rating: ★
Alien Coverup Conspiracy Agency
Men in Black: International (2019)
Rating: ★★
Alien Coverup Conspiracy Agency
Mercano the Martian (2002)
Rating: ★★½
Animation/Alien Visitor/Satire
Message from Space (1978)
Rating: ★★★
Japanese Space Opera
Missile to the Moon (1958)
Rating: ★★
Expedition to the Moon/All-Female Lunar Society
Mission Stardust (1967)
Rating: ★
Space Opera
Mission to Mars (2000)
Rating: ★★★½
Mars Landing/Alien Artefact
Mom and Dad Save the World (1992)
Rating: ★★
Adventures on a Planet of Stupid People Comedy
The Monitors (1969)
Rating: ★★
Alien Invasion Comedy
Monolith (1994)
Rating: ★½
Cops vs Body-Hopping Alien
Monster Zero (1965)
Rating: ★★★
Japanese Monster Bash/Space Opera
Monsters (2010)
Rating: ★★★★
Alien-Infested Zone
Monsters: Dark Continent (2014)
Rating: ★★★
Alien-Infested War Zone
Monsters vs Aliens (2009)
Rating: ★★★
Animation/Friendly Monsters vs Alien Invaders
Moon Pilot (1961)
Rating: ★
Female Alien Visitor/Disney Comedy
Morons from Outer Space (1985)
Rating: ★★
Idiotic Alien Visitors/Genre Spoof
Munchies (1987)
Rating: 0
Malevolent Alien Critters
Muppets from Space (1999)
Rating: ★★
Muppet Movie
Murdercycle (1998)
Rating: ★★½
Alien-Possessed Motorcycle
My Favorite Martian (1999)
Rating: ★
Alien Visitor Comedy/TV Series Remake
My Stepmother is an Alien (1988)
Rating: ★★★
Alien Visitor Comedy
The Mysterians (1957)
Rating: ★★½
Japanese Alien Invader Film
Mysterious Island (1951)
Rating: ★★
Serial/Desert Island Survival/Alien Invaders
Mystery Science Theater 3000: The Movie (1996)
Rating: ★
Old SF Movie with Laugh-Track
National Lampoon’s Men in White (1998)
Rating: 0
Genre Spoof
The Next One (1984)
Rating: ★★
Mysterious Visitor
The Night Caller (1965)
Rating: ★★
Aliens Abduct Models
Night Fright (1967)
Rating: ½
Alien Monster
Night of the Creeps (1986)
Rating: ★★
Alien Slugs/Resurrection of the Dead/Genre Homage
Night Slaves (1970)
Rating: ★★★
Alien Body Snatchers
No One Will Save You (2023)
Rating: ★★★
Woman Fights Off Alien Invaders
Not Of This Earth (1957)
Rating: ★★½
Alien Vampire
Not Of This Earth (1988)
Rating: ★
Alien Vampire
Nr. 10 (2021)
Rating: ★★
Surrealist Black Comedy
Oblivion (1994)
Rating: ★★★
Western on an Alien Planet
Outer Touch (1979)
Rating: ★
Alien Women Abduct Men/Sex Comedy
Outlander (2008)
Rating: ★★½
SF Version of Beowulf
P.G. Psycho Goreman (2020)
Rating: ★★★
Kids Befriend Evil Intergalactic Tyrant
Paul (2011)
Rating: ★★★½
Science-Fiction Fans Encounter an Alien Comedy