Most Similar Movies to Plan 9 from Outer Space (1959)
If you are looking for movies like Plan 9 from Outer Space (1959), you might like movies tagged with keyword : science fiction, horror, b-movie, aliens, low budget, cult film, black and white, 1950s, disaster, alien invasion, supernatural, campy, classic, independent film, conspiracy, resurrection, apocalypse, humorous, unconventional, retro .
Invisible Invaders (1959), Phantom From Space (1953), Frankenstein Meets the Space Monster (1965), Radar Men From the Moon (1952), Attack of the Giant Leeches (1959), The Phantom From 10,000 Leagues (1956), Invaders From Mars (1953) ... Let's take a look at the following list...

Invisible Invaders (1959)
Invisible aliens from the Moon invade the Earth by occupying the bodies of recently deceased humans but a scientist, his daughter and an army Major, try to fight them.
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Phantom From Space (1953)
When an asteroid crashes, the search begins to track down the mysterious aliens.
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Frankenstein Meets the Space Monster (1965)
A Martian princess and a doctor replace the women on Mars, destroyed by atomic war, by raiding Puerto Rico while a shot down android terrorizes all.
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Radar Men From the Moon (1952)
Strategic targets on Earth are being destroyed by an unknown weapon. Government security head Henderson suspects it's an "atomic ray" originating from the moon! He assigns Commando Cody, scientist and man of action with a secret flying suit, to investigate. Soon, Cody is battling Earth thugs in the pay of Krog the moon man and making trips in his experimental rocket t...Read all
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Attack of the Giant Leeches (1959)
A backwoods game warden and a local doctor discover that giant leeches are responsible for disappearances and deaths in a local swamp, but the local police don't believe them.
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The Phantom From 10,000 Leagues (1956)
A seaside community is terrorized by a hideous sea monster, which has been created by experiments in atomic radiation.
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Invaders From Mars (1953)
A young boy learns that space aliens are taking over the minds of earthlings.
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It! The Terror From Beyond Space (1958)
The first manned expedition to Mars is decimated by an unknown life form which stows away on the rescue ship.
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Trail of the Screaming Forehead (2007)
A small town infestation of crawling alien foreheads that begin attaching to people and taking them over collides with a scientist's experiments to extract foreheadazine and things go horribly horribly wrong.
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The Whip Hand (1951)
Matt Corbin, a vacationing magazine writer, takes a fishing trip to Minnesota, and stumbles across a lake in which all the fish have mysteriously died. The locals are tight-lipped about it, but Corbin learns that a group of former-Nazis-turned-Communists have purchased a lodge on an island in the middle of the fish-killing lake, and have built some kind of laboratory....Read all
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The Man From Planet X (1951)
As a mysterious planet hurls itself toward Earth, an enigmatic extraterrestrial scout arrives on a remote Scottish island with unknown intentions.
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The Atomic Submarine (1959)
Ships mysteriously disappear on route across the Arctic Sea, and a specially-equipped submarine is sent to investigate.
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Invasion of the Bee Girls (1973)
A powerful cosmic force is turning Earth women into queen bees who kill men by wearing them out sexually.
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Not of This Earth (1995)
An anemic alien comes to Earth from a dying planet, in the remake of the Corman 50s classic.
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Quatermass II (1957)
British Dr. Quatermass (Brian Donlevy) finds a colony of pressure domes built by aliens who are taking over officials.
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The Killer Shrews (1959)
On an isolated island, a small group of people are terrorized by giant voracious shrews in the midst of a hurricane.
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The Last Man on Earth (1964)
When a disease turns all of humanity into the living dead, the last man on earth becomes a reluctant vampire hunter.
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The Monster That Challenged the World (1957)
An earthquake doesn't just shake up Southern California -- it awakens a nest of monsters lurking in the Salton Sea. These bloodthirsty sea snails are gobbling up anyone who sets foot in the water. And when the creatures move on to land in search of wider hunting grounds, they launch a reign of terror that threatens to spread across the whole country. Humanity's only hope rests on a crew of intrepid scientists and Lt. Cmdr. John Twillinger (Tim Holt).
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