Last updated March 2024
Looking to be wowed by incredible Best Sci-Fi Movies 2021 ? We compiled 30 of the most critically and user acclaimed Best Sci-Fi Movies 2021 that you can start watching right away. IMDB ratings and our own users sing the praises of these must-see Best Sci-Fi Movies 2021 . Lend a hand to fellow viewers by voting for the Best Sci-Fi Movies 2021 that impressed you and deserve more attention. We value the input of people like you who have great taste in Best Sci-Fi Movies 2021 !
Spider-Man: No Way Home (2021)
Plot Summary:
Sony Pictures Entertainment and The Walt Disney Company jointly announced that Marvel Studios and its President Kevin Feige will produce the third film in the "Spider-Man: Homecoming" series, starring Tom Holland. The film is scheduled to release on July 16, 2021. The third film will see Peter Parker deal with the aftermath of Quentin Beck outing him as Spider-man, but also to deal with a familiar old foe who has joined a group of "Sinister Six" villains
Duration: 148 min
IMDB Rating: 8.2/10
IMDB Votes: 849000
Genere: Action, Adventure, Fantasy, Sci-Fi
Country: USA
Plot tags: superhero, multiverse, peter parker character, double life, teenager, heroes, teenage boy, supernatural power, villain, villain turns good, teenage superhero, costumed hero, superhuman powers, comic book, rescue, high school, moral dilemma, magical power, loss of loved one, microchip, spider man, high school student, grief, good versus evil, martial arts
Dune (2021)
Plot Summary:
A mythic and emotionally charged hero’s journey, “Dune” tells the story of Paul Atreides, a brilliant and gifted young man born into a great destiny beyond his understanding, must travel to the most dangerous planet in the universe to ensure the future of his family and his people. As malevolent forces explode into conflict over the planet's exclusive supply of the most precious resource in existence—a commodity capable of unlocking humanity's greatest potential—only those who can conquer their fear will survive
Duration: 155 min
IMDB Rating: 8.0/10
IMDB Votes: 733000
Genere: Action, Adventure, Drama, Sci-Fi
Country: USA, Canada
Plot tags: desert, space opera, alien planet, messiah, prophecy, destiny, outer space, water shortage, premonition, spy, politics, adaptation, survival, tribe, heroes, struggle for survival, child prodigy, mind control, dead body, alien, sword fight, dream, baron, knife fight, treason
Evangelion: 3.0+1.01 Thrice Upon a Time (2021)
Plot Summary:
The fourth and final film in the Rebuild of Evangelion series
Duration: 154 min
IMDB Rating: 8.0/10
IMDB Votes: 13000
Genere: Animation, Action, Drama, Sci-Fi
Country: Japan
Plot tags: technology, fight, violence, battles, hi-tech, outer space, spacecraft, fantasy world, space station, dream world, showdown, college, parallel universe, post apocalypse, dystopia, space battle, robot, beach, city, father son relationship, train station, breaking the fourth wall, biopunk, space, kaiju
Zack Snyder's Justice League (2021)
Plot Summary:
Zack Snyder's definitive director's cut of Justice League (2017)
Duration: 242 min
IMDB Rating: 7.9/10
IMDB Votes: 429000
Genere: Action, Adventure, Fantasy, Sci-Fi
Country: USA
Plot tags: superhero, batman, superheroine, female warrior, heroes, superhero team, justice league, team, kingdom, superman, villain, time travel, superhuman, end of the world, alien invasion, superpower, immortal, gotham city, surrealism, archery, god, comic book, chaos, super villain, violence
Minnal Murali (2021)
Plot Summary:
A tailor gains special powers after being struck by lightning but must take down an unexpected foe if he is to become the superhero his hometown in Kerala needs
Duration: 158 min
IMDB Rating: 7.8/10
IMDB Votes: 32000
Genere: Action, Comedy, Drama, Fantasy, Sci-Fi
Country: India
Plot tags: superhero, lightning, supernatural, fight, power, supernatural power, supernatural ability, good versus evil, heroes, battles, love, super villain, villain, struck by lightning, lightning strike, malayalam, hindi, telugu, director cameo, supervillain, adventure
The Mitchells vs the Machines (2021)
Plot Summary:
After Katie Mitchell is accepted into the film school of her dreams, her family decides to use this opportunity to drive Katie to school as a road trip. When their plans are interrupted by a tech uprising, the Mitchells realize that they must work together to save the world
Duration: 114 min
IMDB Rating: 7.6/10
IMDB Votes: 123000
Genere: Animation, Action, Adventure, Comedy, Family, Sci-Fi
Country: USA, Hong Kong
Plot tags: robot, father daughter relationship, parents and children, road trip, dog, family relations, family life, pug, journey, wife, husband, fish out of water, evil robot, father son relationship, brother sister relationship, man versus machine, parenthood, family drama, father daughter conflict, on the road, lgbt, stupidity, dysfunctional family, lgbtq, heroine
Shang-Chi and the Legend of the Ten Rings (2021)
Plot Summary:
Shang-Chi must confront the past he thought he left behind when he is drawn into the web of the mysterious Ten Rings organization
Duration: 132 min
IMDB Rating: 7.4/10
IMDB Votes: 422000
Genere: Action, Adventure, Fantasy, Sci-Fi
Country: USA
Plot tags: martial arts, superhero, fight, kung fu, martial artist, villain, heroes, warrior, monster, assassin, fistfight, father son relationship, mission, good versus evil, comic book, revenge, forest, obsession, water, secret society, magical creature, power, female warrior, waterfall, little boy
Don't Look Up (2021)
Plot Summary:
Two low-level astronomers, upon discovering that a meteor will strike the Earth in six months, go on a media tour to try to warn the world but find an unreceptive and unbelieving populace
Duration: 138 min
IMDB Rating: 7.2/10
IMDB Votes: 580000
Genere: Comedy, Drama, Sci-Fi
Country: USA
Plot tags: disaster, end of the world, asteroid, social satire, meteorite, apocalypse, save the world, astronaut, chaos, danger, comet, politics, climate change, natural disaster, mass hysteria, space, silence, balloon, violence, scientist, dystopia, post apocalyptic, planet, mission, political satire
The Suicide Squad (2021)
Plot Summary:
The continuing escapades of the Suicide Squad
Duration: 132 min
IMDB Rating: 7.2/10
IMDB Votes: 395000
Genere: Action, Adventure, Comedy, Sci-Fi
Country: USA
Plot tags: superhero, fight scenes, supernatural ability, super villain, female warrior, villain turns good, gore, violence, graphic violence, alien creature, extreme violence, giant monster, bloody violence, evil genius, supernatural power, fbi, final battle, kaiju, comic book, criminal heroes, dark hero, torture, rat, profanity, alien parasite
Batman: The Long Halloween, Part Two (2021)
Plot Summary:
As Gotham City's young vigilante, the Batman, struggles to pursue a brutal serial killer, district attorney Harvey Dent gets caught in a feud involving the criminal family of the Falcones
Duration: 87 min
IMDB Rating: 7.2/10
IMDB Votes: 16000
Genere: Animation, Action, Crime, Horror, Mystery, Sci-Fi
Country: USA
Plot tags: superhero, batman, criminal, independence day, mother's day, murder investigation, organized crime, murder mystery, fighting crime, good versus evil, showdown, serial killer, fight, murderer, heroes, murder, killings, battles, sleuth, serial murder, fight for supremacy, experiment, villain, multiverse, moving
Batman: The Long Halloween, Part One (2021)
Plot Summary:
Following a brutal series of murders taking place on Halloween, Thanksgiving, and Christmas, Gotham City's young vigilante known as the Batman sets out to pursue the mysterious serial killer alongside police officer James Gordon and district attorney Harvey Dent
Duration: 85 min
IMDB Rating: 7.2/10
IMDB Votes: 19000
Genere: Animation, Action, Crime, Horror, Mystery, Sci-Fi
Country: USA
Plot tags: superhero, halloween, batman, organized crime, investigation, heroes, gang, murder investigation, murder mystery, gang war, fighting crime, showdown, serial killer, bandit, fight, murderer, murder, criminal, crime boss, crime investigation, teamwork, team, serial murder, good versus evil, lynching
Belle (2021)
Plot Summary:
Suzu is a 17-year-old high school student living in a rural town with her father. Wounded by the loss of her mother at a young age, Suzu one day discovers the massive online world "U" and dives into this alternate reality as her avatar, Belle. Before long, all of U's eyes are fixed on Belle, when, suddenly, a mysterious dragon-like figure appears before her
Duration: 121 min
IMDB Rating: 7.1/10
IMDB Votes: 16000
Genere: Animation, Adventure, Drama, Family, Fantasy, Music, Musical, Sci-Fi
Country: Japan
Plot tags: virtual world, fictional reality, friendship, magic, society, teenager, virtual reality, internet, singing, social media, love, coming of age, girl, death of mother, slice of life, alternate reality, fantasy world, teenage life, lifestyle, grief, idol, heartwarming, video game, school, artificial intelligence
Ghostbusters: Afterlife (2021)
Plot Summary:
When a single mom and her two kids arrive in a small town, they begin to discover their connection to the original Ghostbusters and the secret legacy their grandfather left behind
Duration: 124 min
IMDB Rating: 7.1/10
IMDB Votes: 206000
Genere: Adventure, Comedy, Fantasy, Sci-Fi
Country: USA, Canada
Plot tags: ghost, teenager, supernatural, single parent, monster, good versus evil, farmhouse, child protagonist, small town, paranormal phenomena, rescue, friendship, family relations, chase, evil, fear, creature, supernatural power, halloween, parents and children, supernatural ability, research, team, paranormal investigation, characters in danger
I'm Your Man (2021)
Plot Summary:
Alma is a scientist at Berlin's famous Pergamon Museum. In order to obtain research funds for her studies, she accepts an offer to participate in an extraordinary experiment. For three weeks, she must live with a humanoid robot with artificial intelligence designed to allow it to morph into that of her ideal life partner. Enter Tom, a machine in human form, created to make her happy
Duration: 108 min
IMDB Rating: 7.1/10
IMDB Votes: 12000
Genere: Comedy, Drama, Romance, Sci-Fi
Country: Germany
Plot tags: robot, humanoid robot, human android relationship, experiment, robot human relationship, scientist, artificial intelligence, scientific experiment, research, hi-tech, scientific research, father daughter relationship, relationships, couple relations, couples, male female relationship, boyfriend girlfriend relationship, advanced technology, experimental technology, talking robot, love, women, loneliness, coach, meaning of life
Free Guy (2021)
Plot Summary:
A bank teller realizes he's a background character in an open world action game
Duration: 115 min
IMDB Rating: 7.1/10
IMDB Votes: 410000
Genere: Action, Adventure, Comedy, Fantasy, Sci-Fi
Country: USA, Canada
Plot tags: virtual reality, video game, game, gamer, changing lives, heroes, career change, fantasy world, bank teller, code, programmer, altering history, love, bank, artificial intelligence, fictional reality, fictional city, drastic change of life, internet, bank robbery, chase, mission, computer cracker, one against many, police chase
Ron's Gone Wrong (2021)
Plot Summary:
In a world where walking, talking, digitally connected bots have become children's best friends, an 11-year-old finds that his robot buddy doesn't quite work the same as the others do
Duration: 107 min
IMDB Rating: 7.0/10
IMDB Votes: 39000
Genere: Animation, Adventure, Comedy, Family, Sci-Fi
Country: USA, UK
Plot tags: friendship, interspecies friendship, teenager, childhood, birthday party, male protagonist, police officer, blackmail, father son relationship, riot, computer virus, disability, reckless driving, social media, gangster, best friend, love, travel, social network, teenage life, escapades, socially awkward, loss of control, social satire, science runs amok
Finch (2021)
Plot Summary:
On a post-apocalyptic Earth, a robot, built to protect the life of his dying creator's beloved dog, learns about life, love, friendship, and what it means to be human
Duration: 115 min
IMDB Rating: 6.9/10
IMDB Votes: 94000
Genere: Adventure, Drama, Sci-Fi
Country: USA, India
Plot tags: post apocalypse, robot, dog, androids and robots, loneliness, artificial intelligence, friendship, technology, disaster, survival, philosophy, dystopia, love, love and romance, society, apocalypse, catastrophe, end of the world, monster, distopia, epidemic, giant monster, civilization, puppy love, white supremacy
Mad God (2021)
Plot Summary:
A figure known as "The Assassin" descends from the heavens into a nightmarish pit full of monsters, titans, and cruelty
Duration: 83 min
IMDB Rating: 6.8/10
IMDB Votes: 14000
Genere: Animation, Fantasy, Horror, Sci-Fi
Country: USA
Plot tags: stop motion, motorcycle, creature, assassin, surrealism, post apocalypse, body horror, fantasy world, explorer, research, sea creature, mission, demolished city, end of the world, virus, distopia, stoner, exploitation, unsettling, monster, violence, eye, war, graphic violence, alchemist
Swan Song (2021)
Plot Summary:
In the near future, Cameron Turner is diagnosed with a terminal illness. Presented with an experimental solution to shield his wife and son from grief, he grapples with altering their fate
Duration: 116 min
IMDB Rating: 6.8/10
IMDB Votes: 17000
Genere: Drama, Romance, Sci-Fi
Country: USA
Plot tags: love, illness, terminator, moral dilemma, clone, father, family relations, cloning, love and romance, life is a bitch, father son relationship, family problems, husband wife relationship, terminal illness, fighting illness, dystopian future, robot, distopia, disaster, implanted memory, afterlife, wife, son, sacrifice, meeting
Black Widow (2021)
Plot Summary:
Natasha Romanoff, on the run from the government following her disobedience to the Sokovia Accords and for aiding Steve Rogers, finds herself on her own and is forced to deal with some of the red in her ledger
Duration: 134 min
IMDB Rating: 6.7/10
IMDB Votes: 415000
Genere: Action, Adventure, Sci-Fi
Country: USA
Plot tags: female assassin, heroes, female protagonist, superhero, female spy, superheroine, female agent, spy, one woman army, strong female lead, one against many, female killer, master warrior, heroine, female fighter, tough girl, martial arts, female warrior, mind control, mercilessness, assassin, violence, dark heroine, secret organization, anti heroine
After Yang (2021)
Plot Summary:
When his young daughter's beloved companion — an android named Yang — malfunctions, Jake searches for a way to repair him. In the process, Jake discovers the life that has been passing in front of him, reconnecting with his wife and daughter across a distance he didn't know was there
Duration: 96 min
IMDB Rating: 6.7/10
IMDB Votes: 22000
Genere: Drama, Sci-Fi
Country: USA
Plot tags: robot, foster child, artificial intelligence, father, androids, loss, mourning, family relations, parents and children, death, family problems, society, father daughter relationship, friends, human experiment, underground, memory, consciousness, prejudice, friend, advanced technology, grief, adoptive father, restaurant, conspiracy theory
The Tomorrow War (2021)
Plot Summary:
An ordinary man is recruited by time travellers from 30 years in the future to fight in a war against deadly aliens
Duration: 138 min
IMDB Rating: 6.6/10
IMDB Votes: 222000
Genere: Action, Adventure, Drama, Sci-Fi, Thriller
Country: USA
Plot tags: alien invasion, future war, time travel, alien, military, struggle for survival, soldier, evil alien, alien encounter, father daughter relationship, alien monster, fictional war, resistance, ufo, changing the past or future, final battle, end of the world, monster, heroes, battles, creature feature, snow, ice, city, husband wife relationship
Memoria (2021)
Plot Summary:
A Scottish orchid farmer visiting her ill sister in Bogotá, Colombia, befriends a young musician and a French archaeologist in charge of monitoring a century-long construction project to tunnel through the Andes mountain range. Each night, she is bothered by increasingly loud bangs which prevent her from getting any sleep
Duration: 136 min
IMDB Rating: 6.5/10
IMDB Votes: 11000
Genere: Drama, Mystery, Sci-Fi
Country: Colombia, Thailand, France, Germany, Mexico, Qatar, UK, China, USA, Switzerland
Plot tags: self discovery, introspection, escape from reality, european, insomnia, female protagonist, relationship problems, women, puzzle, illness, hypnosis, mental illness, in love, society, feeling, recording studio, jungle, sisters, craziness, neon, mystery
Titane (2021)
Plot Summary:
Following a series of unexplained crimes, a former firefighter is reunited with his son who has been missing for 10 years
Duration: 108 min
IMDB Rating: 6.5/10
IMDB Votes: 54000
Genere: Drama, Horror, Sci-Fi, Thriller
Country: France, Belgium
Plot tags: female serial killer, body horror, serial killer, machismo, psycho killer, car accident, party, killing spree, pretending to be someone else, violence, pregnancy, missing person, father son relationship, airport, injection, delusional man, fireman, cutting one's own hair, lgbt, missing son, lesbian sex, murder, childbirth, european, aggression
Space Sweepers (2021)
Plot Summary:
When the crew of a space junk collector ship called The Victory discovers a humanoid robot named Dorothy that's known to be a weapon of mass destruction, they get involved in a risky business deal which puts their lives at stake
Duration: 136 min
IMDB Rating: 6.5/10
IMDB Votes: 28000
Genere: Action, Adventure, Drama, Fantasy, Sci-Fi
Country: South Korea
Plot tags: space opera, space travel, spacecraft, space battle, space colony, space pirate, homeless, space, mars, garbage collector, outer space, missing child, fate of humanity, escapades, team, humanity, contests and competitions, humanity in peril, human existence, space adventure, cyberpunk, dystopia, apocalypse, monster, post apocalypse
Oxygen (2021)
Plot Summary:
A woman wakes in a cryogenic chamber with no recollection of how she got there, and must find a way out before running out of air
Duration: 100 min
IMDB Rating: 6.5/10
IMDB Votes: 43000
Genere: Drama, Fantasy, Sci-Fi, Thriller
Country: France, USA
Plot tags: isolation, oxygen, trapped in space, memory loss, cryogenics, virus, outer space, space travel, panic, survival, clone, female protagonist, escape, pandemic, computer, memory lapse, repressed memory, trapped, running, flashback, human clone, trap, saving a life, twists and turns, spacecraft
Injustice (2021)
Plot Summary:
When Lois Lane is killed, an unhinged Superman decides to take control of the Earth. Determined to stop him, Batman creates a team of freedom-fighting heroes. But when superheroes go to war, can the world survive?
Duration: 78 min
IMDB Rating: 6.4/10
IMDB Votes: 15000
Genere: Animation, Action, Adventure, Drama, Fantasy, Sci-Fi
Country: USA
Plot tags: superhero, batman, alternate dimension, villain, female warrior, alternate reality, fight, battles, superman, heroes, criminal, justice, supernatural power, superheroine, showdown, superpower, super speed, save the world, superhero team, good versus evil, parallel world, teamwork, alternate world, alternate universe, characters in danger
Godzilla vs. Kong (2021)
Plot Summary:
In a time when monsters walk the Earth, humanity’s fight for its future sets Godzilla and Kong on a collision course that will see the two most powerful forces of nature on the planet clash in a spectacular battle for the ages. As Monarch embarks on a perilous mission into uncharted terrain and unearths clues to the Titans’ origins, a human conspiracy threatens to wipe the creatures, both good and bad, from the face of the earth forever
Duration: 113 min
IMDB Rating: 6.3/10
IMDB Votes: 230000
Genere: Action, Sci-Fi, Thriller
Country: USA
Plot tags: godzilla, giant monster, kaiju, king kong, giant ape, monster, creature, giant animal, monster versus monster, giant creature, dinosaur, creature feature, giant lizard, giant bird, sea monster, destruction, sign language, fictional war, giant snake, supernatural, lost world, violence, villain, child, science runs amok
Eternals (2021)
Plot Summary:
The story of a race of immortal beings who lived on Earth and shaped its history and civilizations
Duration: 156 min
IMDB Rating: 6.3/10
IMDB Votes: 375000
Genere: Action, Adventure, Fantasy, Sci-Fi
Country: USA
Plot tags: superhero, alien race, alien attack, evil alien, space and aliens, heroes, alien, suicide, alien encounter, sex scene, artifact, supernatural, gay, superpower, violence, lgbt, man versus machine, death, murder, fear, comic book, dog, horse, snow, archaeologist
Mortal Kombat (2021)
Plot Summary:
A failing boxer uncovers a family secret that leads him to a mystical tournament called Mortal Kombat where he meets a group of warriors who fight to the death in order to save the realms from the evil sorcerer Shang Tsung
Duration: 110 min
IMDB Rating: 6.0/10
IMDB Votes: 187000
Genere: Action, Adventure, Fantasy, Sci-Fi, Thriller
Country: USA
Plot tags: martial arts, martial artist, master warrior, gore, martial arts tournament, graphic violence, fight, alternate dimension, chase, shaolin monk, fight scenes, female warrior, katana, death, anger, mixed martial arts, vigilante, super powers, competition, militant, kidnapping, warrior, tough guy, tournament, creature