20 movies like Them!, ordered by similarity : Tarantula(1955), The Beast From 20,000 Fathoms(1953), Terminator 2: Judgment Day(1991), Star Trek IV: The Voyage Home(1986), The Quatermass Xperiment(1955), Sorry to Bother You(2018), Target Earth(1955), RoboCop(1987), Blade Runner 2049(2017), Annihilation(2018), Shin Godzilla(2016), The Killer Shrews(1959) ...
Sci-Fi
USA
1954
94 Minutes
James Whitmore Edmund Gwenn Joan Weldon James Arness Onslow Stevens Sean McClory Chris Drake Sandy Descher Mary Alan Hokanson Fess Parker William Schallert
police officer partner fbi agent entomologist general young girl frightening gripping outlandish creepy new mexico desert los angeles monsters radiation uncontrollable experiment animals attacking rescue quest 1950s
The earliest atomic tests in New Mexico cause common ants to mutate into giant man-eating monsters that threaten civilization.
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
USA
1953
80 Minutes
Paul Hubschmid Paula Raymond Cecil Kellaway Kenneth Tobey Donald Woods Jack Pennick Lee Van Cleef Steve Brodie Ross Elliot Ray Hyke Mary Hill
professor researcher doctor scientist corporal colonel campy outlandish spectacular thrilling arctic canada maine massachusetts new york city coney island nuclear weapons testing dinosaurs uncontrollable experiment radiation
A ferocious dinosaur awakened by an Arctic atomic test terrorizes the North Atlantic and, ultimately, New York City.
Sci-Fi, Action
USA|France
1991
136 Minutes
Arnold Schwarzenegger Linda Hamilton Edward Furlong Robert Patrick Earl Boen Joe Morton S. Epatha Merkerson Castulo Guerra Danny Cooksey Jenette Goldstein Xander Berkeley
robot son mother police officer cyborg artificial intelligence gripping incredible rousing thrilling emotional los angeles desert highway on the run big city steel mill running away apocalypse robots
A cyborg, identical to the one who failed to kill Sarah Connor, must now protect her teenage son, John Connor, from a more advanced and powerful cyborg.
Sci-Fi, Adventure
USA
1986
118 Minutes
William Shatner Leonard Nimoy Catherine Hicks DeForest Kelley James Doohan George Takei Walter Koenig Nichelle Nichols Jane Wyatt Mark Lenard Robin Curtis
captain kirk spock doctor engineer officer biologist airy amusing quirky thrilling san francisco spacecraft space golden gate park rescue animals space travel time travel search adventure
To save Earth from an alien probe, Admiral James T. Kirk and his fugitive crew go back in time to San Francisco in 1986 to retrieve the only beings who can communicate with it: humpback whales.
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, Comedy, Fantasy
USA
2018
105 Minutes
LaKeith Stanfield Tessa Thompson Jermaine Fowler Omari Hardwick Terry Crews Kate Berlant Michael X. Sommers Danny Glover Steven Yeun Armie Hammer Robert Longstreet
telemarketer friend co-worker ceo amusing hilarious outlandish unrestrained madcap oakland, calif. office protest office building conference room apartment materialism wealth relationships success social issues
In an alternate present-day version of Oakland, telemarketer Cassius Green discovers a magical key to professional success, propelling him into a universe of greed.
Sci-Fi
USA
1955
75 Minutes
suicidal person stranger lieutenant robot drunk psychopath striking frightening frightful outlandish tense suspenseful chicago robots invasion alien attack survival evacuation abandoned spaces discovery
Giant robots from Venus invade Chicago. Stranded in the deserted city are strangers Frank and Nora.
Sci-Fi, Action
USA
1987
102 Minutes
Peter Weller Nancy Allen Ronny Cox Dan O'Herlihy Kurtwood Smith Miguel Ferrer Robert DoQui Ray Wise Felton Perry Paul McCrane Del Zamora
police officer crime boss partner cyborg businessman robocop dark tense detroit street police station office crime corruption police work corporate greed business pursuit quest future
In a dystopic and crime-ridden Detroit, a terminally wounded cop returns to the force as a powerful cyborg haunted by submerged memories.
Sci-Fi, Mystery & Thriller
USA|UK|Canada|Hungary|Spain|Mexico
2017
164 Minutes
Ryan Gosling Harrison Ford Ana de Armas Sylvia Hoeks Robin Wright Jared Leto Mackenzie Davis Carla Juri Lennie James Dave Bautista Hiam Abbass
young man investigator police detective android old man brooding gripping profound somber thrilling suspenseful los angeles office apartment abandoned building desert secrets societal decay past crimes discovery
Young Blade Runner K's discovery of a long-buried secret leads him to track down former Blade Runner Rick Deckard, who's been missing for thirty years.
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.
Sci-Fi, Action
Japan
2016
120 Minutes
Shinji Higuchi Shin'ya Tsukamoto Satomi Ishihara Jun Kunimura Hiroki Hasegawa Takahiro Miura Kengo Kôra Mikako Ichikawa Issei Takahashi Kanji Tsuda Kimiko Yo
godzilla monster prime minister coast guard officer professor savior bleak thrilling tense frenetic disturbing wild japan tokyo city street government offices sea terror monsters
Japan is plunged into chaos upon the appearance of a giant monster.
Sci-Fi, Horror
USA
1959
69 Minutes
James Best Ingrid Goude Baruch Lumet Ken Curtis Gordon McLendon Alfredo DeSoto
mad scientist ship captain fiancé daughter researcher cook creepy outlandish offbeat island compound laboratory boat uncontrollable experiment animal attack love triangle survival trapped man vs. beast escape
On an isolated island, a small group of people are terrorized by giant voracious shrews in the midst of a hurricane.
Sci-Fi, Action, Adventure
USA|Mexico
1987
107 Minutes
Arnold Schwarzenegger Carl Weathers Jesse Ventura Elpidia Carrillo Bill Duke Sonny Landham Richard Chaves R. G. Armstrong Shane Black Kevin Peter Hall
soldier of fortune cia agent hostage guerrilla fighter alien frightening tense outlandish guatemala jungle helicopter dangerous assignment survival murder violence monsters deception adventure rescue escape
A team of commandos on a mission in a Central American jungle find themselves hunted by an extraterrestrial warrior.
Sci-Fi, Action, Fantasy
USA
2004
125 Minutes
Ron Perlman John Hurt Selma Blair Rupert Evans Karel Roden Jeffrey Tambor Doug Jones Brian Steele Ladislav Beran Kevin Trainor Brian Caspe
hellboy fbi agent supernatural being demon creepy playful striking moscow alternate reality united states paranormal world war ii superhuman abilities fbi occult adventure quest 2000s
A demon, raised from infancy after being conjured by and rescued from the Nazis, grows up to become a defender against the forces of darkness.
Sci-Fi
Japan
1961
101 Minutes
Frankie Sakai Hiroshi Koizumi Kyoko Kagawa Ken Uehara Jerry Ito Emi Ito Yumi Ito Takashi Shimura Akihiko Hirata Yoshifumi Tajima Hiroshi Akitsu
monster japanese man japanese woman princess politician police officer brooding emotional intense island japan vaudeville show street house laboratory monsters princess japan destruction danger
A giant, ancient moth begins to attack Japan when coming to the rescue of its two, foot-tall worshippers who were taken by shipwreck survivors.
Sci-Fi, Action, Mystery & Thriller, Adventure
USA|China
2018
113 Minutes
Jason Statham Li Bingbing Rainn Wilson Cliff Curtis Winston Chao Sophia Cai Ruby Rose Page Kennedy Robert Taylor Ólafur Darri Ólafsson Jessica McNamee
shark submarine officer rescue worker oceanographer scientist diver dark thrilling suspenseful frightening gripping gory submarine boat ocean pacific ocean monsters sharks shark attack rescue
A group of scientists exploring the Marianas Trench encounter the largest marine predator that has ever existed - the Megalodon.
Sci-Fi
USA
1953
81 Minutes
Richard Carlson Barbara Rush Charles Drake Russell Johnson Kathleen Hughes Joe Sawyer Dave Willock Alan Dexter George Eldredge Brad Jackson Edgar Dearing
alien writer fiancée sheriff impostor schoolteacher creepy eerie tense arizona desert spacecraft aliens investigation kidnapping search disappearance identity theft rescue underdog
A spaceship from another world crashes in the Arizona desert and only an amateur stargazer and a schoolteacher suspect alien influence when the local townsfolk begin to act strangely.
Sci-Fi, Mystery & Thriller, Adventure, Action
USA
2018
142 Minutes
Dylan O'Brien Thomas Brodie-Sangster Kaya Scodelario Giancarlo Esposito Rosa Salazar Aidan Gillen Walton Goggins Ki Hong Lee Barry Pepper Will Poulter Patricia Clarkson
friend leader officer monster young man young woman brooding dark intense thrilling suspenseful bleak field desert city maze camp train escape survival
Young hero Thomas embarks on a mission to find a cure for a deadly disease known as "The Flare".
Sci-Fi
1957
84 Minutes
Brian Donlevy Michael Ripper Sidney James Bryan Forbes John Longden Vera Day William Franklyn
professor soldier government official government agent colleague suspenseful campy creepy playful england moon government building alien invasion saving the world science conspiracy cover-up investigation underdog quest
British Dr. Quatermass (Brian Donlevy) finds a colony of pressure domes built by aliens who are taking over officials.
Sci-Fi, Mystery & Thriller
UK|Mexico|Guatemala
2010
97 Minutes
Scoot McNairy Whitney Able Mario Zuniga Benavides Annalee Jefferies Justin Hall Ricky Catter Paul Archer Stan Wong
journalist american tourist soldier monster gripping profound mexico border infectious disease aliens quarantine journey destruction military quest wretched excess escape 2010s
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.