Anime is a diverse medium that encompasses a wide array of genres and subgenres, offering limitless creativity to its storytellers. Among these genres, science fiction stands out as one of the most popular and influential, showcasing some of the highest-rated series and films in the anime landscape. Sci-fi anime captivates audiences with its ability to transport viewers to futuristic worlds, explore advanced technologies, and delve into philosophical questions about existence and humanity. For those eager to embark on thrilling adventures that venture into the far reaches of space or grapple with profound “what-if” scenarios regarding life in the future, the world of anime has plenty to offer. From epic battles against alien invaders to deep dives into the nature of consciousness, sci-fi tales provide an incredible range of narratives that cater to a variety of tastes and preferences.
At AnimeKing, we’ve curated a list of the best sci-fi anime that are sure to blow your mind. This compilation features a mix of current favorites and timeless classics that have left a lasting impact on the genre. Whether you’re on the hunt for the latest popular anime or checking the anime ranking for 2024, our selection promises to introduce you to some of the most imaginative and thought-provoking stories in the sci-fi realm. Prepare to embark on a journey filled with mind-bending concepts and breathtaking visuals as we explore the top 20 sci-fi anime that you simply can’t miss!
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20: Dr. Stone
MyAnimeList: 8.28 | Release Date: July 5, 2019 | Studio: TMS Entertainment | Episodes: 58 | Streaming on Crunchyroll
In a world full of power fantasies, Dr. Stone stands out by harnessing the power of science. Set in a future where humanity has been frozen for thousands of years, the story follows the genius Senku as he tries to bring civilization back to its technological heights. With no magic or superpowers, Senku uses scientific knowledge to survive and rebuild a world that’s reverted to the Stone Age. But not everyone agrees with his goals, making the series a thrilling battle of ideologies.
Despite its fantastical setting, Dr. Stone grounds itself in real-world science, offering a mix of drama, humor, and action while educating its audience. The result is an engaging and unique take on the shonen genre, one that continues to evolve with each new season.
19: Parasyte: The Maxim
MyAnimeList: 8.33 | Release Date: October 9, 2014 | Studio: Madhouse | Episodes: 24 | Streaming on Crunchyroll, HIDIVE, Hulu
Parasyte: The Maxim is a spine-chilling sci-fi horror that brings humanity face to face with an alien threat. The story revolves around Shinichi Izumi, a high school student who narrowly avoids being taken over by a parasite, leaving the alien stuck in his right hand. Forced into an uneasy alliance with his parasite, Migi, Shinichi must battle other parasitic invaders who seek to consume all of humanity.
More than just a thrilling action series, Parasyte explores deep themes like the balance between humanity and nature, morality, and what it means to be human. With its blend of existential dread and intense battles, Parasyte is a thought-provoking and eerie experience.
18: Space Dandy
MyAnimeList: 7.88 | Release Date: January 5, 2014 | Studio: Bones | Episodes: 26 | Streaming on Crunchyroll, Hulu, Tubi
For fans of quirky, offbeat space adventures, Space Dandy is a must-watch. This zany anime follows the flamboyant Dandy, a space explorer on a mission to discover new alien species across the galaxy. With his ragtag crew, Dandy embarks on wild, often hilarious adventures that are as unpredictable as they are entertaining.
The show’s vibrant animation, funky soundtrack, and witty humor make it a visual and comedic treat. While Space Dandy doesn’t take itself too seriously, it’s filled with clever parodies and homages to the sci-fi genre. It’s a lighthearted journey through space that’s sure to leave a smile on your face.
17: Outlaw Star
MyAnimeList: 7.84 | Release Date: January 9, 1998 | Studio: Sunrise | Episodes: 26 | Streaming on Crunchyroll
Before space westerns became synonymous with Cowboy Bebop, Outlaw Star was a beloved classic in its own right. The series follows Gene Starwind and his crew aboard the titular Outlaw Star as they search for the fabled Galactic Leyline. It’s a mix of space exploration, treasure hunting, and high-octane action, wrapped up in a charmingly unique ’90s animation style.
While often overshadowed by other classics, Outlaw Star remains a fan favorite for its balance of drama, comedy, and mystery. The characters are lovable, the world-building is immersive, and the story’s pulp fiction-esque charm gives it a timeless quality.
16: Cyberpunk: Edgerunners
MyAnimeList: 8.60 | Release Date: September 13, 2022 | Studio: Trigger | Episodes: 10 | Streaming on Netflix
In the neon-lit dystopia of Cyberpunk: Edgerunners, Night City is a brutal and chaotic world where corporations reign supreme and life is cheap. Adapted from Cyberpunk 2077, this anime follows David, a teenager thrust into the city’s criminal underworld after personal tragedy strikes. David’s journey is packed with action, suspense, and heartbreaking moments that make it impossible to look away.
What sets Edgerunners apart is its incredible visual presentation. Night City comes alive with stunning animation and fast-paced action sequences, making it a feast for the eyes. With a character-driven story that’s as tragic as it is exciting, this series delivers a powerful punch in just 10 episodes.
15: Space Brothers
MyAnimeList: 8.49 | Release Date: April 1, 2012 | Studio: A-1 Pictures | Episodes: 99 | Streaming on Crunchyroll, Hulu
Space Brothers is a more grounded take on the sci-fi genre, focusing on the real-world challenges of space exploration. The anime follows Mutta and Hibito, two brothers who dreamed of becoming astronauts as kids. Hibito achieved that dream, while Mutta took a different path. Now, Mutta has a second chance to join his brother in space, and the series follows his journey of self-discovery and perseverance.
What makes Space Brothers stand out is its emphasis on realism. It explores the emotional and physical challenges astronauts face in their pursuit of the stars, making it a heartfelt and inspiring watch for anyone fascinated by space travel.
14: Trigun
MyAnimeList: 8.22 | Release Date: April 1, 1998 | Studio: Madhouse | Episodes: 26 | Streaming on Crunchyroll, Hulu
Trigun is a masterful blend of sci-fi and western tropes, following the adventures of Vash the Stampede, a gun-slinging pacifist with a bounty on his head. Vash’s cheerful, goofy demeanor contrasts sharply with the dark and violent world around him, but beneath that facade is a complex character with a tragic past.
The series shines through its dynamic mix of action, comedy, and drama, along with well-written characters who each bring something unique to the table. While Trigun Stampede offers a new take on the story, the original anime remains a fan favorite for its charismatic version of Vash and its deep philosophical undertones.
13: Psycho-Pass
MyAnimeList: 8.34 | Release Date: October 12, 2012 | Studio: Production I.G | Episodes: 41 | Streaming on Crunchyroll, Hulu, Tubi
In a dystopian future where the government monitors citizens’ mental states, Psycho-Pass explores the dark side of surveillance and control. The anime follows Inspectors and Enforcers tasked with investigating potential criminals using the Sybil System, a technology that can quantify someone’s likelihood to commit a crime.
Packed with thrilling action and deep philosophical discussions, Psycho-Pass delves into themes like free will, morality, and human nature. The first season is a near-perfect blend of sci-fi noir and psychological drama, and while the sequels are a bit messier, the series remains a standout in the genre.
12: Gintama
MyAnimeList: 8.94 | Release Date: April 4, 2006 | Studio: Sunrise | Episodes: 367 | Streaming on Crunchyroll
Gintama defies easy categorization. It’s a wild blend of sci-fi, comedy, action, and fantasy, all set in a version of feudal Japan taken over by aliens. At the center of it all is Gintoki Sakata, a former samurai turned odd-jobs man, who navigates a futuristic Edo with his quirky band of misfits.
With its mix of hilarious parody episodes and more serious, emotionally-driven arcs, Gintama manages to keep things fresh even across its massive episode count. It’s a show that knows when to make you laugh, when to tug at your heartstrings, and when to deliver some truly epic action scenes.
11: Mobile Suit Gundam
MyAnimeList: 7.77 | Release Date: April 7, 1979 | Studio: Nippon Sunrise | Episodes: 42 | Streaming on Crunchyroll
More than four decades after its debut, Mobile Suit Gundam remains one of the most iconic mecha franchises in anime history. Set in a future where space colonies have declared war on Earth, the series introduced viewers to the legendary RX-78 Gundam and established the blueprint for countless mecha anime to follow.
With its epic space battles, political intrigue, and human drama, Gundam has left an indelible mark on the anime world. It’s a must-watch for any sci-fi fan, especially for those interested in the origins of the mecha genre.
10: Astro Boy
MyAnimeList: 7.10 | Release Date: January 1, 1963 | Studio: Mushi Production | Episodes: 193
Without Astro Boy, this list might not even exist. Osamu Tezuka‘s groundbreaking creation is one of the earliest Japanese animations to gain international fame, laying the foundation for the anime industry as we know it today. Set in a future where robots and humans coexist, Astro Boy follows a highly advanced robot boy, abandoned by his creator, who embarks on a journey filled with moral challenges and action-packed adventures.
While the timeline of the series may have imagined the year 2000 a bit differently, the show tackles themes that are timeless—anti-war, nature preservation, and societal discrimination. Astro Boy remains a monumental piece of animation history, not just for its technological foresight but for its emotional depth as well.
9: Pluto
MyAnimeList: 8.48 | Release Date: October 26, 2023 | Studio: Studio M2 | Episodes: 8 | Streaming on Netflix
Decades after Astro Boy first captivated audiences, Naoki Urasawa took a classic storyline from the original manga and spun it into something entirely new with Pluto. Set in a world where humans and robots coexist, Pluto follows a detective investigating a string of murders targeting both humans and the world’s most powerful robots. What begins as a murder mystery quickly delves into themes of human emotion, discrimination, and PTSD.
Urasawa’s adaptation had massive expectations, and it delivered. The anime’s mature storytelling and deep social commentary elevate it beyond just another robot-versus-human tale. With its thought-provoking plot and complex characters, Pluto captures the essence of what makes sci-fi great—using futuristic concepts to reflect on humanity’s present.
8: Serial Experiments Lain
MyAnimeList: 8.09 | Release Date: July 6, 1998 | Studio: Triangle Staff | Episodes: 13
Serial Experiments Lain is one of those rare anime that demands—and deserves—your full attention. Released at a time when the internet was still evolving, this psychological sci-fi explores identity, reality, and the digital world through the eyes of Lain Iwakura, a socially awkward girl who becomes obsessed with “The Wired,” a virtual network that eerily parallels the internet.
The series is haunting, cerebral, and unlike anything else in anime. While its visuals may feel dated, they only add to its unsettling atmosphere, and the incredible sound design helps pull you into its strange, layered world. It’s not an easy watch, but Serial Experiments Lain is one of a kind—an anime that challenges your perception of reality and the self.
7: Code Geass: Lelouch of the Rebellion
MyAnimeList: 8.70 | Release Date: October 6, 2006 | Studio: Sunrise | Episodes: 50 | Streaming on Crunchyroll, Hulu
Few anime are as epic and intense as Code Geass. In a future where the Holy Empire of Britannia has conquered a third of the world, including Japan, Lelouch vi Britannia wages a personal rebellion. Using his newfound power—the ability to control minds through his Geass—Lelouch leads an underground resistance against the Empire, all while balancing the responsibilities of a student in hiding.
What makes Code Geass so engaging isn’t just the mecha battles and political intrigue, but the complex, morally ambiguous characters. Lelouch is an anti-hero whose motivations are as tragic as they are understandable. The series’ mix of action, mature themes, and intense emotional stakes make it a must-watch for anyone who loves smart, layered storytelling.
6: Neon Genesis Evangelion
MyAnimeList: 8.35 | Release Date: October 4, 1995 | Studio: Gainax, Tatsunoko Production | Episodes: 26 | Streaming on Netflix
Neon Genesis Evangelion is legendary not just for its giant robot battles, but for how deeply it delves into the psychology of its characters. The series follows Shinji Ikari, a reluctant teenage pilot chosen to control a bio-mechanical weapon known as an Eva, tasked with defending Earth from mysterious creatures called Angels.
However, beneath its explosive mecha exterior, Evangelion is a profound exploration of trauma, isolation, and existential dread. Every battle is as much a confrontation with inner demons as it is with monstrous invaders. The stunning yet bleak artwork, combined with its complex character development, ensures that Evangelion sticks with you long after the credits roll. Its ending, along with the film End of Evangelion, remains one of the most talked-about conclusions in anime history.
5: Ghost in the Shell
MyAnimeList: 8.27 | Release Date: December 8, 1995 | Studio: Production I.G | Streaming on Netflix
Ghost in the Shell is the quintessential cyberpunk anime, influencing not just other anime but Hollywood itself. Set in a world where cybernetic enhancements are the norm, it follows Major Motoko Kusanagi, a cyborg public security officer who grapples with the nature of identity and what it means to be human. Her latest mission involves tracking down a mysterious hacker known as the Puppet Master, but the lines between human and machine blur as the story progresses.
With its stunning animation, philosophical depth, and cutting-edge music, Ghost in the Shell remains one of the most iconic pieces of science fiction ever produced. Whether you’re drawn in by its cyberpunk aesthetics or its complex musings on consciousness, the 1995 movie and the Stand Alone Complex series both represent the franchise at its peak.
4: Gurren Lagann
MyAnimeList: 8.63 | Release Date: April 1, 2007 | Studio: Gainax | Episodes: 27 | Streaming on Crunchyroll, Hulu
Gurren Lagann is a celebration of over-the-top, larger-than-life anime action, but with a surprising amount of heart. The series takes place in a future where humanity is forced to live underground, terrified of the surface world. Two brothers, Simon and Kamina, dare to dream of breaking free. With the help of a massive robot they discover, they lead a revolution against their oppressors.
It’s a wild ride, with breathtaking action sequences and a story that constantly escalates until it literally reaches galactic proportions. But what makes Gurren Lagann so beloved is its core message: believe in yourself and push beyond your limits. Its colorful animation, unique characters, and sheer energy make it a standout in the genre.
3: Cowboy Bebop
MyAnimeList: 8.75 | Release Date: October 24, 1998 | Studio: Sunrise | Episodes: 26 | Streaming on Crunchyroll, Hulu, Netflix
Cowboy Bebop isn’t just an anime—it’s a genre-defying masterpiece. Set in a future where humanity has colonized the solar system, it follows Spike Spiegel and his ragtag crew of bounty hunters as they drift from job to job aboard the spaceship Bebop. While every episode feels like a standalone mini-movie, the overarching narrative delves into the backstories and emotional complexities of the main characters.
It’s a show that blends western tropes, film noir, space opera, and more into a smooth, jazzy thrill ride. The animation, the music (courtesy of the legendary Yoko Kanno), and the deeply human stories make Cowboy Bebop a timeless classic that has influenced countless other anime and even Western media.
2: Steins;Gate
MyAnimeList: 9.07 | Release Date: April 6, 2011 | Studio: White Fox | Episodes: 24 | Streaming on Crunchyroll
If you’re a fan of mind-bending time travel stories, Steins;Gate is an absolute must-watch. Set in a world where a group of friends accidentally discover a way to send messages into the past, the series starts as a lighthearted romp but soon spirals into a suspenseful and heart-wrenching thriller. Rintarou Okabe, a self-proclaimed mad scientist, quickly realizes that even the smallest changes to the past can have catastrophic consequences.
The second half of Steins;Gate is a masterclass in tension, as Okabe desperately tries to undo the damage caused by his actions. It’s a rare anime that perfectly balances complex sci-fi concepts with deeply emotional storytelling, and it’s no surprise that it’s consistently ranked as one of the best.
1: Legend of the Galactic Heroes
MyAnimeList: 9.02 | Release Date: January 8, 1988 | Studio: K-Factory, Kitty Film Mitaka Studio | Episodes: 110 | Streaming on HIDIVE
Legend of the Galactic Heroes is often regarded as one of the greatest space operas of all time, and with good reason. Spanning over 110 episodes, the series. tells the epic story of a galaxy-spanning war between the autocratic Galactic Empire and the democratic Free Planets Alliance. But unlike many war stories, LoGH focuses on the human element, giving equal time to both sides and exploring the motivations, politics, and moral dilemmas faced by its massive cast.
It’s a dense, richly layered narrative with an enormous scope, but it’s the character-driven drama that keeps you invested. With brilliant writing and an epic sense of scale, Legend of the Galactic Heroes remains unmatched as a grand space opera that explores the very essence of humanity.
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Conclusion:
The realm of sci-fi anime presents a rich tapestry of thought-provoking narratives, stunning visuals, and imaginative concepts that challenge our understanding of technology and humanity. In this list of the top 20 best sci-fi anime, we’ve delved into titles that push the boundaries of storytelling, from the philosophical depth of Steins;Gate to the exhilarating action of Cowboy Bebop. Each series captivates audiences with its unique blend of futuristic elements and complex characters, ensuring an unforgettable viewing experience.
As these anime continue to gain traction in latest popular anime discussions, they firmly establish their place in the anime rankings of 2024, inviting both new viewers and seasoned fans to immerse themselves in their intricate worlds. For those seeking mind-bending narratives and stunning artistry, this list serves as the perfect starting point. Stay connected with Animeking for more recommendations, reviews, and insights into the fascinating world of sci-fi anime!