20 movies like Phase IV, ordered by similarity : Alien Hunter(2003), Volition(2019), Tarantula(1955), Invasion of the Body Snatchers(1956), The Quatermass Xperiment(1955), After Darkness(2018), UFO: It Is Here(2016), Altered States(1980), Warlords of Atlantis(1978), The Hidden(1987), Earth vs. the Flying Saucers(1956), Die, Monster, Die!(1965) ...
Sci-Fi
UK|USA
1974
86 Minutes
Nigel Davenport Lynne Frederick Michael Murphy Alan Gifford Robert Henderson Helen Horton
scientist family young woman ant chilling creepy disheartening frightening gripping intense melodramatic outlandish shocking suspenseful thrilling arizona united states scientific observation ants aliens
Desert ants suddenly form a collective intelligence and begin to wage war on the inhabitants. It is up to two scientists and a stray girl they rescue from the ants to destroy them.
Sci-Fi
USA|Bulgaria
2003
100 Minutes
James Spader Janine Eser John Lynch Leslie Stefanson Aimee Graham Stuart Charno Carl Lewis Roy Dotrice
scientist alien government agent expert thrilling tense suspenseful gripping frightening antarctica laboratory discovery alien life-forms aliens mystery discovery 21st century
An alien black box is found in the South Pole, where a government agency is conducting botanical experiments.
Sci-Fi, Mystery & Thriller
Canada
2019
91 Minutes
Adrian Glynn McMorran Magda Apanowicz John Cassini Frank Cassini Aleks Paunovic Bill Marchant Kimi Alexander Cecilly Day
clairvoyant romantic interest mentor friend criminal brooding gripping intense melancholy melodramatic offbeat suspenseful thrilling united states clairvoyance time travel organized crime love secrets discovery
A man afflicted with clairvoyance tries to change his fate when a series of events leads to a vision of his own imminent murder.
Sci-Fi
USA
1955
80 Minutes
John Agar Mara Corday Leo G. Carroll Nestor Paiva Ross Elliot Edwin Rand Raymond Bailey Hank Patterson Bert Holland Steve Darrell Ed Parker
professor scientist spider monster victim animal shocking fascinating suspenseful engaging thrilling intense desert city village science science fiction animal attack giant animals animals attacking
A spider escapes from an isolated Arizona desert laboratory experimenting in giantism and grows to tremendous size as it wreaks havoc on the local inhabitants.
Sci-Fi, Horror
USA
1956
80 Minutes
Kevin McCarthy Dana Wynter Carolyn Jones Larry Gates King Donovan Jean Willes Ralph Dumke Virginia Christine Tom Fadden Kenneth Patterson Guy Way
alien doctor patient ex-girlfriend psychiatrist townsperson creepy gripping suspenseful thrilling small town california aliens epidemic conformity unusual behavior invasion pursuit metamorphosis discovery
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.
Sci-Fi
UK|Japan
1955
78 Minutes
Brian Donlevy Jack Warner Margia Dean Richard Wordsworth David King-Wood Thora Hird Gordon Jackson Harold Lang Lionel Jeffries Maurice Kaufman Frank Phillips
astronaut mutant monster construction worker scientist shocking thrilling gory raw suspenseful brooding space center space shuttle space laboratory space exploration crash mutation monsters alien life-forms
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.
Sci-Fi, Drama
Mexico|USA
2018
98 Minutes
Kyra Sedgwick Tim Daly Natalia Dyer John Patrick Amedori Valorie Curry Sam Daly Roberto Aguire Jeremy Childs Christina Mandrell
family family member father child dark disheartening engaging emotional frightful gripping intense uneasy earth apocalypse relationships family dysfunction family feud family fall escape
As the SUN burns out, an American family gathers at the end of the world, their hopes for rescue slowly crumbling as they also confront long lasting divides amongst each other.
Horror, Sci-Fi
Germany
2016
85 Minutes
Laura Berlin Leonard Hohm Dennis Mojen Olga Von Luckwald Jan Walter Hacky Rumpel
alien student film student friend monster young man bleak shocking creepy intense suspenseful thrilling forest wilderness horror alien fear murder hunting friendship
Five film students are producing a documentary about the local zoo when suddenly the animals go berserk: The reason is a light ball flying by in the sky and crashing at the horizon. ... See full summary »
Sci-Fi
USA
1980
103 Minutes
William Hurt Blair Brown Bob Balaban Charles Haid Thaao Penghlis Miguel Godreau Dori Brenner Peter Brandon Charles White Eagle Drew Barrymore Megan Jeffers
scientist psychologist wife creepy intense shocking university mexico united states experiments drugs psychology marital problems discovery metamorphosis 1970s
A psycho-physiologist experiments with drugs and a sensory-deprivation tank and has visions he believes are genetic memories.
Sci-Fi
UK
1978
96 Minutes
Doug McClure Peter Gilmore Shane Rimmer Lea Brodie Michael Gothard Hal Galili John Ratzenberger Derry Power Donald Bisset Ashley Knight Robert Brown
son alien slave monster archaeologist gripping incredible melodramatic thrilling atlantis under the sea bermuda triangle ship aliens world domination telekinesis adventure discovery escape pursuit
Searching for the lost world of Atlantis, Prof. Aitken, his son Charles and Greg Collinson are betrayed by the crew of their expedition's ship, attracted by the fabulous treasures of ... See full summary »
Sci-Fi
1987
96 Minutes
Michael Nouri Kyle MacLachlan Ed O'Ross Clu Gulager Claudia Christian Clarence Felder William Boyett Richard Brooks
everyman aaron burr serial killer alien police chief fbi agent engaging thrilling suspenseful melodramatic gripping fascinating apartment hospital science fiction aliens alien attack murder investigation alien invasion
An FBI agent (Kyle MacLachlan) and a homicide detective (Michael Nouri) hunt the current human host of an orally exchanged alien life-form.
Sci-Fi
USA
1956
83 Minutes
Hugh Marlowe Joan Taylor Donald Curtis Morris Ankrum Thomas B. Henry John Zaremba Grandon Rhodes Larry J. Blake Harry Lauter Charles Evans Clark Howat
scientist wife father general alien major chilling eerie gripping melodramatic outlandish united states alien attack alien abduction science save the planet escape adventure 1950s
Extraterrestrials traveling in high-tech flying saucers contact a scientist as part of a plan to enslave the inhabitants of Earth.
Mystery & Thriller, Sci-Fi, Horror
UK
1965
78 Minutes
Boris Karloff Nick Adams Freda Jackson Suzan Farmer Terence de Marney Patrick Magee Paul Farrell Leslie Dwyer
scientist townsperson girlfriend father mother servant creepy offbeat intense estate england village mutation experiments science gone awry meteorite family transformation discovery love
A young man visits his fiancée's estate to discover that her wheelchair-bound scientist father has discovered a meteorite that emits mutating radiation rays that have turned the plants in ... See full summary »
Sci-Fi
USA|UK
1977
135 Minutes
Richard Dreyfuss François Truffaut Teri Garr Melinda Dillon Cary Guffey Bob Balaban J. Patrick McNamara Warren Kemmerling Roberts Blossom Philip Dodds Shawn Bishop
alien researcher worker mother dark tense suspenseful motel india forest small town aliens military media collaboration conspiracy expedition quest pursuit discovery
Roy Neary, an electric lineman, watches how his quiet and ordinary daily life turns upside down after a close encounter with a UFO.
Sci-Fi
UK|USA
1968
89 Minutes
Eric Porter Hildegarde Neff Suzanna Leigh Tony Beckley Nigel Stock Neil McCallum Ben Carruthers Jimmy Hanley James Cossins Dana Gillespie Victor Maddern
captain doctor daughter wife alcoholic lawyer conquistador priest brash campy chilling dark disheartening melodramatic outlandish quirky shocking suspenseful wild sierra leone
The captain, crew, and passengers of an old freighter-all of them with dark secrets to keep-find themselves adrift in a mysterious land full of monsters, conquistadors, and killer seaweed.
Horror, Mystery & Thriller, Sci-Fi
USA
2017
111 Minutes
Aaron Moorhead Aaron Moorhead Justin Benson Callie Hernandez Tate Ellington Lew Temple James Jordan Shane Brady Kira Powell Emily Montague Peter Cilella
brother cult leader cult member creature camper chilling dark thrilling intense suspenseful disturbing camp woods lake compound boat forest cult mystery mythical creatures
As kids, they escaped a UFO death cult. Now, two adult brothers seek answers after an old videotape surfaces and brings them back to where they began.
Sci-Fi, Action
USA|Canada
2014
113 Minutes
Tom Cruise Emily Blunt Brendan Gleeson Bill Paxton Jonas Armstrong Tony Way Kick Gurry Franz Drameh Dragomir Mrsic Charlotte Riley Masayoshi Haneda
military officer alien warrior colleague soldier sergeant creative intense thrilling amusing frightening outer space military base fantasy world beach great britain government building alien invasion fight to the death time warp
A soldier fighting aliens gets to relive the same day over and over again, the day restarting every time he dies.
Sci-Fi, Comedy, Drama
USA
2017
99 Minutes
Geena Davis Lois Smith Jon Hamm Tim Robbins Stephanie Andujar Azumi Tsutsui Hannah Gross Leslie Lyles
elderly woman artificial intelligence dead person husband family member emotional eerie fascinating gripping house bedroom living room kitchen art imitating life life cycle aging grief artificial intelligence discovery love
A service that provides holographic recreations of deceased loved ones allows a woman to come face-to-face with the younger version of her late husband.
Sci-Fi, Comedy, Action
UK
2011
88 Minutes
John Boyega Jodie Whittaker Alex Esmail Leeon Jones Simon Howard Luke Treadaway Nick Frost Jumayn Hunter Franz Drameh
teenager teen girl teen boy gang member nurse creature bleak brutal intense suspenseful shocking thrilling street car apartment london united kingdom horror street gang meteorite
A teen gang in South London defend their block from an alien invasion.
Sci-Fi
USA
1957
71 Minutes
Jim Davis Robert Griffin Joel Fluellen Barbara Turner Edward Ciannelli Vladimir Sokoloff Tim Huntley LaVerne Jones Frederic Potler
scientist mutant tense thrilling rousing melodramatic frightening engaging chilling africa united states science gone awry experiments space radiation expedition science fiction metamorphosis pursuit 1950s
A scientific expedition in Africa investigates wasps that have been exposed to radiation and mutated into giant, killing monsters.
Sci-Fi, Mystery & Thriller, Adventure
UK
2018
115 Minutes
Natalie Portman Jennifer Jason Leigh Gina Rodriguez Tessa Thompson Tuva Novotny Oscar Isaac Benedict Wong David Gyasi Sonoya Mizuno John Schwab
biologist soldier husband monster creature scientist creepy dark uneasy frightening thrilling base camp house woods forest secret location cabin creatures mutation saving the planet
A biologist signs up for a dangerous, secret expedition into a mysterious zone where the laws of nature don't apply.