Most Similar Movies to The Day of the Triffids (1963)
If you are looking for movies like The Day of the Triffids (1963), you might like movies tagged with keyword : sci-fi, horror, disaster, apocalyptic, british film, black and white, adaptation, novel adaptation, alien creatures, survival, thriller, cold war era, b-movie, classic horror, post-apocalyptic, blindness, human nature, struggle for survival, classic adaptation, eco-horror .
The Giant Behemoth (1959), Quatermass II (1957), Village of the Damned (1960), The Last Man on Earth (1964), The Quatermass Xperiment (1955), Island of Terror (1966), The Incredible Shrinking Man (1957) ... Let's take a look at the following list...

The Giant Behemoth (1959)
Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur that threatens London.
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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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Village of the Damned (1960)
In the English village of Midwich, the blonde-haired, glowing-eyed children of uncertain paternity prove to have frightening powers.
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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 Quatermass Xperiment (1955)
Professor Bernard Quatermass' manned rocket ship returns to Earth, but two of the astronauts are missing and the survivor seems ill and unable to communicate.
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Island of Terror (1966)
Grisly deaths bring a scientist to a remote island where researchers have accidentally created a deadly life form.
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The Incredible Shrinking Man (1957)
When Scott Carey begins to shrink because of exposure to a combination of radiation and insecticide, medical science is powerless to help him.
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The Body Stealers (1968)
In Britain, bodies of NATO paratroopers are being snatched during routine jumps by a mysterious red-beam of alien origin.
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Tremors: A Cold Day in Hell (2018)
Burt Gummer suspects that giant worms are being utilized as weapons at a research facility in Canada. He soon finds himself in a race against time to create an antidote from one of the creature's venom to save his own life.
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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 Beast From 20,000 Fathoms (1953)
A ferocious dinosaur awakened by an Arctic atomic test terrorizes the North Atlantic and, ultimately, New York City.
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Bird Box (2018)
Five years after an ominous unseen presence drives most of society to suicide, a mother and her two children make a desperate bid to reach safety.
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Robinson Crusoe on Mars (1964)
Stranded on Mars with only a monkey as a companion, an astronaut must figure out how to find oxygen, water, and food on the lifeless planet.
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War of the Worlds (2005)
As Earth is invaded by alien tripod fighting machines, one family fights for survival in this sci-fi action film.
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Monsters (2010)
Six years after Earth has suffered an alien invasion, a cynical journalist agrees to escort a shaken American tourist through an infected zone in Mexico to the safety of the U.S. border.
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Night of the Comet (1984)
A comet wipes out most of life on Earth, leaving two Valley Girls fighting against cannibal zombies and a sinister group of scientists.
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Lifeforce (1985)
A race of space vampires arrives in London and infects the populace, beginning an apocalyptic descent into chaos.
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Godzilla (1954)
A fire-breathing behemoth terrorizes Japan after an atomic bomb awakens it from its centuries-old sleep.
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