Best Sci-Fi Movies of 2021

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This list includes, for example, Black Widow , Outside the Wire , Godzilla vs. Kong .

12 items • 87 views • 0 votes • updated Nov 7, 2026

Discover the best sci-Fi Movies of 2021, ranked from best to worst.

Based on 0 votes, the movie Apex (2021), starring Neal McDonough and Bruce Willis, came in first as the best Sci-Fi movie from 2021, followed by Black Widow and Boss Level from 2021. Scroll down for the top 10 sci-Fi Movies of 2021, recommended by movie fans in 2026.

Recommend the best SF movies released in 2021

Apex (2021)

2021 - Neal McDonough, Bruce Willis, Corey LargeAction, Thriller, Science Fiction

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Former cop Thomas Malone is serving a life sentence for a crime he didn't commit. He is offered his freedom if he can survive Apex, a game in which six hunters pay to hunt a human being on •••

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Black Widow

2021 - Scarlett Johansson, Florence Pugh, David Harbour, O.T. Fagbenle, Rachel Weisz, William...

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Natasha Romanoff, also known as Black Widow, confronts the darker parts of her ledger when a dangerous conspiracy with ties to her past emerges.

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Boss Level

2021 - Frank Grillo, Mel Gibson, Naomi Watts, Will Sasso, Annabelle Wallis, Sheaun McKinney...

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A retired special forces officer is trapped in a never-ending time loop on the day of his death.

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Cosmic Sin

2021 - Bruce Willis, Adelaide Kane, Frank GrilloScience Fiction, Action, Adventure

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In the year 2524, four centuries after humans began colonizing the outer planets, retired General James Ford is called back into service when a hostile alien fleet attacks soldiers on a •••

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Don't Look Up

2021 - Jennifer Lawrence, Leonardo DiCaprio, Meryl Streep, Rob Morgan, Jonah Hill, Cate...

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Two little-known astronomers must go on a gigantic media tour to warn humanity about the approach of a comet that will destroy Earth.

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Dune

2021 - Timothée Chalamet, Rebecca Ferguson, Oscar Isaac, Josh Brolin, Stellan Skarsgård, Dave...

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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 secure the future of his •••

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Finch

2021 - Tom Hanks, Caleb Landry Jones, Oscar Avila, Lora Martinez-Cunningham, Marie Wagenman...

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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.

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Free Guy

2021 - Ryan Reynolds, Jodie Comer, Joe Keery, Lil Rel Howery, Utkarsh Ambudkar, Taika Waititi...

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A bank teller called Guy realizes he is a background character in an open world video game called Free City that will soon go offline.

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Godzilla vs. Kong

2021 - Alexander Skarsgård, Millie Bobby Brown, Kyle Chandler, Rebecca Hall, Brian Tyree Henry...

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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 •••

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Infinite

2021 - Mark Wahlberg, Chiwetel Ejiofor, Sophie CooksonScience Fiction, Action, Adventure

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Evan McCauley has skills he never learned and memories of places he has never been. On the edge of a breakdown, he is rescued by a secret group, the Infinites, who tell him his memories •••

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How do the rankings work?

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Frequently asked questions

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This list has not received any votes yet. The order shown does not reflect visitor preferences. You can help by voting for the options you recommend.

What is in this list?

This list includes, for example, Black Widow, Outside the Wire, Godzilla vs. Kong.

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