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The Best Sci-Fi Movies Of 2021

The year 2020 was a rough one for world events but a great one for sci-fi movies. It saw the release of Hollywood blockbusters like Tenet, indie hits like The Vast of Night, and terrifying flicks like The Invisible Man. In short, 2020 was a fantastic year for sci-fi ... but what does 2021 have in store?

Well, when it comes to worldwide health, we hope it's nothing like 2020. But when it comes to quality sci-fi films, 2021 is already shaping up to be a stellar 12 months. And perhaps more importantly, after a year where time seemed to become one long, repetitive nightmare, the movies on this list — whether intentionally or coincidentally — provide thoughtful ruminations on our current situation ... or perhaps just an escape from them. Several of them are independent fare making a splash on streaming services, while others feature big stars and big budgets. Whether you want time loops, alternate universes, or plain old genre-blending, these are the best sci-fi films of 2021.

Lapsis uses sci-fi to examine our modern-day economy

In Lapsis, a film set in an alternate universe, Dean Imperial plays Ray Tincelli, a man who cares for his ailing brother while struggling to make ends meet for both of them. He picks up a side hustle on the quantum trading market, but things begin getting difficult with both his human and robot co-workers. Lapsis also features Madeline Wise of 2019's Crashing and Arliss Howard, who appeared in 2020's Mank.

The film blends mystery, drama, and comedy with its sci-fi, and it's been noted for its critique of the gig economy, as well as the discussion its themes definitely will generate. Writer/Director Noah Hutton, who previously worked mostly on documentaries and shorts, received praise from Richard Whittaker of The Austin Chronicle for his "savage take on how the gig economy grinds us down and keeps us down through constant motion," while Robert Abele of the Los Angeles Times says the film is a "refreshing instance of world-building where the emphasis is on satirical wit, activist smarts, and character." And critic Matt Zoller Seitz writes, "The low-budget, idea-driven corner of science fiction has become a crowded place recently. Lapsis is the latest entry worth seeing and arguing about."

Lapsis, originally scheduled to be shown at SXSW in 2020, was released in virtual cinemas and streaming on February 12, 2021, and it holds a 93% critics' score on Rotten Tomatoes. It's been nominated for a 2021 Independent Spirit Award for Best First Screenplay, and if you're looking for some thoughtful, indie sci-fi, you should definitely give it a watch. 

Little Fish is the perfect romance for 2021

Little Fish, which holds a 91% rating on Rotten Tomatoes, blends romance and drama with sci-fi. Released in theaters and on streaming services on February 5, 2021, director Chad Hartigan's movie is set in the not-too-distant future of a Seattle dealing with an epidemic of "neuro-inflammatory affliction," aka "NIA" — a quicker and more devastating Alzheimer's-like illness. Olivia Cooke (Sound of Metal, Ready Player One) and Jack O'Connell (Unbroken, Starred Up) star as Emma and Jude, a couple struggling with the effect of NIA on their relationship and society. Little Fish was filmed before COVID-19 hit and was to be shown at the canceled 2020 Tribeca Film Festival. It's underlying premise is coincidental but incredibly timely.

Entertainment Weekly's Mary Sollosi says that despite the subject matter, "Little Fish resonates mostly as a love story." She also praises the performances from Cooke and O'Connell, writing they "both bring the cool project a necessary warmth that sells their relationship, which is the real star here". Both Sollosi and Jordan Raup of The Film Stage note Little Fish's resemblance to 2004's Eternal Sunshine of the Spotless Mind, though the film still has its own charms. Sollosi says the sci-fi trapping gives the film's "central question a poetic shape," while Raup notes that "the details of emotional bonds are given utmost priority in the story over extraneous exposition related to light sci-fi touches." In other words, if you're looking for a love story fit for these trying times, Little Fish might be the sci-fi film for you.

The Wanting Mare is a digital wonder to behold

The first feature from writer/director Nicholas Ashe Bateman, The Wanting Mare blends romance and drama in its tale of two lands — Whithren, which is oppressively hot, and Levithen, which is icy. The denizens of Whithren would actually kill to escape to Levithen, while the people of Levithen covet and try to steal Whithren's rare horses. Jordan Monaghan stars as Moira, a Whithren woman in a matrilineal line that passes along a literal dream of "the world before." But in addition to sharing the same vision as her ancestors, Moira has a secret — she meets a thief named Lawrence (Bateman), and the two fall in love.

Bateman's film took five years to make, and it was shot mostly in a warehouse with digital effects added after. Bateman has a background in VFX — he did visual digital effects on 2018's Free Solo, which won the 2019 Academy Award for Best Documentary Feature. The result is a movie that's largely CG and looks both haunting and beautiful.

The Wanting Mare has an 81% rating on Rotten Tomatoes and was released to theaters and on streaming platforms on February 5, 2021. Kat Hughes of The Hollywood News called it a "beautifully realized film that transports the viewer to another world" and a "weird and wonderful piece of moving art". The Los Angeles Times' Noel Murray said that "this arty post-apocalyptic mood piece is mostly a triumph of DIY persistence," while Henry Stewart at Slant Magazine noted that the movie "conjures a vivid, naturalistic sense of place out of ones and zeroes." 

You'll watch The Map of Tiny Perfect Things again and again

Take a little romance, take a little sci-fi, and take the premise of Groundhog Day, and you've got The Map of Tiny Perfect Things, which boasts a 78% rating on Rotten Tomatoes. The plot finds Kyle Allen as Mark, a smart teenager stuck in a time loop ... who then meets Kathryn Newton's Margaret, another teenager stuck in the same loop. The two then decide to focus on finding the tiny, perfect things of their day. It's a love story like 2020's Palm Springs, except with more teenage angst.

Released on Amazon Prime Video on February 12, 2021, The Map of Tiny Perfect Things has been gathering good notices for its cast and its emotional resonance. Mike Ward at Should I See It calls it a "a detail-driven, meticulously crafted film that stands apart from its peers with two strong lead performances, a bit of a mischievous grin, and a heart firmly entrenched on its sleeve." Asher Luberto of LA Weekly says, "Director Ian Samuels has some fun with this carefree premise, infusing it with long takes and zippy montages," while Shani Harris of Culturess calls it "a new spin on young love that will stimulate your mind and touch your heart."

And if the cast looks familiar, Allen appeared in the 2018 season of American Horror Story. And Newton is known for playing Abigail Carlson on the TV show Big Little Lies and Lucy in 2019's Detective Pikachu, though those with long memories will remember her brief run as Colby Chandler in the now-defunct soap opera, All My Children. Newton has also been cast as Cassie Lang in Marvel's Ant-Man and the Wasp: Quantumania, slated for release in 2022.

Zack Snyder's Justice League pits sci-fi superheroes against cosmic invaders

If you're looking for some superheroes with your sci-fi, then Zack Snyder's Justice League is on HBO Max to save the day. The epic adventure, which clocks in at a mere 4 hours and 2 minutes, is flying along with a 73% critics' rating and a 96% audience one on Rotten Tomatoes. While the critics may be a little mixed on it, fans are ecstatic with the results of "the Snyder Cut."

Plot-wise, the film is similar to the 2017 version. Superman's sacrifice in Batman v Superman: Dawn of Justice has spurred ol' Bats to unite a team of his superfriends to face off against some major threats. The movie has six chapters with an epilogue for easier viewing, and characters such as Cyborg and the Flash have their stories fleshed out, giving the film a grander scale with deeper meaning. The Age's Jake Wilson says it's "genuinely a different film from the earlier Justice League, and a much more coherent one."

A running theme of the critical response is that Snyder's strong and weak tendencies are both on display. Vulture's Bilge Ebiri notes that "when you get the best of Snyder, you also get the worst" but agrees that the film "earns its self-importance." Garry Mcconnachie of Glasgow Live says "It's big, it's brash, and it's bombastic." And Kyle Pinion of Screen Rex adds that Snyder's version may be "the best thing he's done since he debuted with a George Romero remake" and that 2021's Justice League might be "the best DC film of the current cycle, and certainly the one that most embodies the inherent thrill of that publisher's canon."

Boss Level is an action-packed time-travel thriller

Boss Level hit Hulu back on March 5, 2021, and this sci-fi romp features a time loop, lots of action, video game aesthetics, and Frank Grillo playing a former special forces agent appropriately named Roy Pulver. Seriously, what more could you want?

As with the main characters in 2017's Happy Death Day and 2015's Edge of Tomorrow, Pulver's loop involves reliving the day he's murdered. He has to figure out who killed him and why so he can end the loop and rescue his family. And to do so, he has to find Mel Gibson's Col. Ventor and avoid a cadre of killers along the way.

This action/sci-fi hybrid with a bit of mystery has a 72% rating on Rotten Tomatoes. The high-powered cast also includes Naomi Watts, Michelle Yeoh, and Ken Jeong. Director Joe Carnahan, working from a script he wrote with Chris Borey and Eddie Borey, reunites with Grillo, who had a supporting part in Carnahan's 2011 survival epic, The Grey

Grillo, in fact, is drawing a lot of praise for his leading role in Boss Level. Richard Roeper of the Chicago Sun-Times compliments Grillo's ability to carry the film, saying that "he pulls it off with a combination of brute force and light charm." Indiewire's Christian Blauvelt also gives Grillo high marks, saying the actor provides the film "a pulse" and that "he gets you to invest in Roy enough that, even without a controller in your hands, you never feel like you're simply watching someone else play a videogame."

Space Sweepers is a fast-paced sci-fi blast

Space Sweepers, known as Seungriho in its original Korean, takes place in a dystopian 2092. A crew of space junk collectors — the "sweepers" of the title — find a robot girl named Dorothy (Park Ye-Rin), who's not only wanted by the evil corporation UTS but can also be used as a weapon. Deciding they can make money from their discovery, the sweepers hold her for ransom, which may not be the smartest decision.

Space Sweepers stars Kim Tae-ri as Captain Jang — who you may recognize as Sook-Hee in director Chan-wook Park's 2016 film, The Handmaiden – and Richard Armitage as UTS' Elon Musk-like gazillionaire, Sullivan. South Korean writer/director Jo Sung-Hee is the one behind the camera, and he's perhaps most famous for his 2012 hit, A Werewolf Boy, though he also directed Phantom Detective in 2016.

Netflix released Space Sweepers on its streaming platform on February 5, 2021, to mostly good reviews, as its 72% rating on Rotten Tomatoes suggests. Daniel Hart at Ready Steady Cut calls it an "an energetic space adventure that manages to slightly emotionally engage the audience while stimulating them with fun action sequences." The Stranger's Charles Mudede says the film is fast-paced, twisty, and "features lots of explosions, lots of robots, and that raw examination of capitalist class structures we have come to expect from the best of South Korea's directors." And over at Slate, Karen Han says she "couldn't help but be charmed by its possibly naïve but hopeful idea that all of humanity might still come together to save itself."

In Godzilla vs. Kong, the Titans collide in a battle for the ages

Supposedly the last installment of Legendary's MonsterVerse, Godzilla vs. Kong holds a 75% rating on Rotten Tomatoes. Directed by Adam Wingard (You're Next, The Guest), the movie features franchise newcomers Alexander Skarsgård, Rebecca Hall, Demián Bichir, and Brian Tyree Henry, with Millie Bobbie Brown and Kyle Chandler returning to the fray. Godzilla vs. Kong also introduces deaf actress Kaylee Hottle as Jia, an Iwi orphan under Kong's protection.

As for the plot, the Titans have been dormant in the three years since Godzilla defeated King Ghidorah. Plus, the Hollow Earth theory discussed in Godzilla: King of the Monsters has gained followers, and the scientific agency known as Monarch has been keeping tabs on Kong over on Skull Island. However, something unknown agitates Godzilla into attacking the mysterious Apex Cybernetic, and it's not long before Kong is being used to find the Hollow Earth's power source. These threads eventually converge when Godzilla's Kong-sense kicks in, exploding their ancient rivalry.

After its release in March 2021, reviews have been effusive regarding the kaiju action, with Good Morning America's Peter Travers saying that "the clash of these titans is spectacular in every sense of the world." The Associated Press' Jake Coyle agrees, calling the film a "rock 'em-sock 'em monster-movie revival." Possibly the most ebullient praise comes from Matt Zoller Seitz, who writes that Godzilla vs. Kong "might be the best studio film so far this year. If it isn't, it's for damn sure the most fun." 

The real Stowaway is metaphysical anxiety

"Stowaway," an existentially fraught sci-fi drama released on Netflix, sends three astronauts to Mars on a two-year mission and then throws a major wrench into their plans when a stowaway is discovered on-board.

Director Joe Penna, who wrote the screenplay with Ryan Morrison, has assembled a great cast. Toni Collette plays Marina Barnett, the ship's leader on her final journey in space. Anna Kendrick plays Zoe Levenson, the medical researcher, and Daniel Dae Kim plays the ship's biologist, David Kim. Unbeknownst to them, Shamier Anderson's Michael Adams is also aboard, albeit unwittingly and injured. Unfortunately, whatever caused Adams' predicament has damaged the ship's life-support controls, leaving enough oxygen for only three people. The fourth must go, or they all die. The problem is ... who takes that final spacewalk?

"Stowaway" boasts a 70% fresh rating on Rotten Tomatoes, and Variety's Owen Gleiberman says, "Penna takes a mission to Mars and unfurls it on a direct and intimate emotional level. We always feel the characters could be us." Christy Lemire of Rogerebert.com calls it "a clever take on a familiar genre with a terrific cast," while Time's Stephanie Zacharek notes that "it has a mournful, searching quality." So if you're in the mood for a sci-fi flick that will challenge you philosophically and make you wonder what you would do in a life-threatening scenario, then you just might want to check out "Stowaway."

In the robot war, bet on The Mitchells vs. the Machines

The Netflix sci-fi flick "The Mitchells vs. the Machines" is a kid-friendly adventure that hit the streaming site on April 30. This comedy features the voices of Abbi Jacobson, Danny McBride, Maya Rudolph, and Michael Rianda — who also directed and co-wrote the script with Jeff Rowe — as the Mitchells, a family on a road trip. Unfortunately, their little vacation turns into an apocalyptic fight against a robotic revolution. The emphasis on technology-as-villain grounds the film squarely in sci-fi territory as the Mitchells, who've set aside their gadgets for an old-fashioned vacation, are thrust into a cellphone war. 

"The Mitchells vs. the Machines" has been quite the hit with critics, as it's certified fresh on Rotten Tomatoes with a 97% rating. It's also produced by the high-powered team of Phil Lord and Christopher Miller ("The Lego Movie," "21 Jump Street"). Bob Strauss of The San Francisco Chronicle calls the movie "a machine apocalypse for the whole family," while Slate's Sam Adams says that, despite the plot, the film "is surprisingly tech-positive." How's that? Well, The Guardian's Benjamin Lee says that Michael Rianda "makes an earnest stab at trying to offer up a balanced view of the pros and cons of iPhone culture. Rather than the easier and clumsier film he could have made scolding kids for swiping and tapping and missing out on real life, he shows that young digital creators are achieving incredible things and that, when used right, this form of connectedness can be a powerful force."