8 Sci-Fi Shows Without a Single Flaw

Image via Apple TV Published Aug 26, 2026, 6:03 PM EDT Diego Pineda has been a devout storyteller his whole life. He has self-published a fantasy novel and a book of short stories, and is actively working on publishing his second novel. A lifelong fan of watching movies and talking about them endlessly, he writes reviews and analyses on his Instagram page dedicated to cinema, and occasionally on his blog. His favorite filmmakers are Andrei Tarkovsky and Charlie Chaplin. He loves modern Mexican cinema and thinks it's tragically underappreciated. Other interests of Diego's include reading, gaming, roller coasters, writing reviews on his Letterboxd account (username: DPP_reviews), and going down rabbit holes of whatever topic he's interested in at any given point. Sign in to your Collider account It's rare enough to run into a sci-fi show that's genuinely great, but to find one that's virtually devoid of any sort of flaw? Now that's a rarity without equal. This is a genre that lends itself perfectly to highly ambitious premises, and that ambition inevitably results in at least a few problems most of the time. But on particularly noteworthy occasions throughout history, there have been sci-fi shows which have proven that it's very much possible for the genre to produce something that's genuinely perfect. It could be an anime masterpiece like Fullmetal Alchemist: Brotherhood; a show that was canceled prematurely but nevertheless achieved perfection, like Firefly; or a foundational classic like the British show The Prisoner. Regardless, the most flawless sci-fi shows the small screen has ever seen should all be considered essential viewing for all those who tend to enjoy the genre. Image via Bones Back when the 2003 classic Fullmetal Alchemist was airing, the Hiromu Arakawa manga series that it was based on was still ongoing, so it hasn't aged the best. Part of the reason why Fullmetal Alchemist: Brotherhood is one of the most universally beloved anime series of all time, on the other hand, is that it was designed to reach its ending alongside the manga's conclusion. The result is not only a perfectly faithful adaptation, but also a show that's fully deserving of being both the highest-rated sci-fi show and the highest-rated animated show of all time on IMDb. Even diehard sci-fi fans sometimes look down on animation as a sort of "lesser" medium, but Brotherhood is such an impeccably-written, well-paced, visually stunning, and thoroughly entertaining show that it should prove anyone who holds that opinion irrefutably wrong. 'Andor' (2022–2025) The Star Wars franchise has been present on the small screen since the mid-'80s, but for many decades, that presence was exclusively limited to the world of animation. It wouldn't be until the late 2010s that the franchise would finally make the jump to live-action television—and thank the Force for that, because from that jump eventually came Tony Gilroy's Andor. On top of being the best Star Wars TV show to date by a decent margin, it may also be the best that the franchise has been since the '80s. Andor is one of those action thriller series better than most movies being made today, simultaneously an immensely entertaining space opera, a perfectly character-driven political thriller, and a celebration of rebelling in the face of repression and authoritarianism. It's technically masterful, incredibly well-written, and thematically timely all at once, making it one of the few occasions that the galaxy far, far away has truly approached perfection. 'Severance' (2022–Present) Image via Apple TV Apple TV joined the streaming game relatively late, yet they've already proven on several occasions that they mean business—particularly when it comes to exceptional sci-fi TV series. Case in point: Severance, one of those Apple TV shows perfect for a weekend binge. It's one of the most delectably complex shows currently streaming: Part workplace satire, part surrealist dramedy, and part mystery box thriller. That blend of tones, genres, and atmospheres works remarkably well for Severance, further empowering its messaging on corporate control and the desire for true work-life balance. There's virtually nothing to complain about when watching Severance. The visuals are hugely creative, the writing is absolutely perfect, the performances are all great, and the way the show balances its many mysteries with occasional cathartic answers is exactly what makes a mystery box show perfect. 'Firefly' (2002–2003) Image via FOX It's widely remembered as one of the biggest tragedies in the history of sci-fi television that Firefly was canceled after only one season on the air, and even though an animated revival series is currently in development, nothing could ever match this timeless beauty of a space Western. It's now considered one of the most perfect sci-fi shows with less than 20 episodes, a must-see for anybody who loves cult sci-fi. From the incredible ensemble cast to the wonderfully-written characters they're playing, from the groundbreaking aesthetic to the way it's balanced with rich world-building, and from the gritty realism of the action to Joss Whedon's snappy dialogue, where can one even begin singing Firefly's praises? When a show's biggest flaw is the fact that it wasn't on the air for long enough, you know it's a truly perfect sci-fi series. Collider Exclusive · Sci-Fi Personality Quiz Which Sci-Fi Hero Are You Most Like? Paul Atreides · Captain Kirk · Princess Leia · Ellen Ripley · Max Rockatansky Five iconic heroes. Five completely different ways of facing an impossible universe. One of them shares your instincts, your values, and your particular way of refusing to back down. Eight questions will tell you which one. 🏜️Paul Atreides 🖖Capt. Kirk ✊Princess Leia 🔦Ellen Ripley 🔥Max Rockatansky FIND YOUR HERO → 01 How do you lead when the stakes couldn't be higher? The way you lead under pressure is the most honest thing about you. AI absorb everything — every variable, every pattern — and move only when I know the path forward. BI read the room, make the call, and own the consequences. Hesitation costs more than mistakes. CI rally people. A cause needs a voice, and I refuse to let fear be louder than conviction. DI assess the threat, establish what needs doing, and get it done without waiting for permission. EI don't lead. I act. Others can follow or not — I'm already moving. NEXT QUESTION → 02 What is your greatest strength in a crisis? The quality that keeps you alive when everything else fails. APrescience — the ability to see further ahead than anyone else and plan accordingly. BImprovisation — I'm at my best when the plan falls apart and I have to invent a new one. CConviction — I know what I'm fighting for, and that certainty doesn't waver under fire. DComposure — I stay functional when everyone around me is falling apart. Panic is a luxury. EEndurance — I outlast things. I take the hit and keep moving long after others have stopped. NEXT QUESTION → 03 What is the thing you'd sacrifice everything else for? Your deepest motivation is your truest compass. AThe survival and dignity of my people — even if I have to become something frightening to ensure it. BThe safety of my crew — every single one of them. No one gets left behind. CFreedom — for my people, for every world still crushed under the weight of an empire. DThe truth — what actually happened, what's actually out there, whether anyone believes me or not. EThe one person — or the one memory — that still makes any of this worth surviving for. NEXT QUESTION → 04 How do you relate to the people around you? Who you are to others under pressure is who you really are. AWith intensity and distance — I care deeply, but the weight I carry makes closeness complicated. BWith warmth and irreverence — I take the mission seriously, not myself. CWith directness and trust — I say what I mean, and I expect the people I work with to rise to it. DWith professional care but clear limits — I'll protect you, but I won't pretend we're family. EWith wariness that slowly becomes loyalty — I don't trust easily, but when I do, it holds. NEXT QUESTION → 05 You're facing a threat that no one else believes is real. What do you do? How you respond when you're the only one who sees it defines everything. APrepare in silence. If they won't listen, I'll be ready when they finally have to. BKeep pushing until someone listens — and if no one does, handle it myself. CBuild the case, find the allies, and make the threat impossible to ignore. DDocument everything. The truth matters even if no one believes it yet. EStop trying to convince anyone. Survive it. That's the only argument that counts. NEXT QUESTION → 06 What has your heroism cost you personally? Every hero pays. The question is what — and whether they'd pay it again. AMy innocence — I've seen what I'm capable of, and I can't unsee it. BPeople I loved — the command chair has a view, but it's a lonely one. CA normal life — I gave up everything ordinary the moment I chose the cause. DMy sense of safety — I know exactly what's out there now, and I can't pretend otherwise. EAlmost everything — and I'm still not sure what I'm carrying it all for. But I keep going. NEXT QUESTION → 07 How do you feel about the rules of the world you're in? Every hero has a relationship with the system. What's yours? AI understand them deeply — and I know exactly which ones must be broken, and why. BI respect the spirit of them and bend the letter when the situation demands it. CThe system is the problem. I'm not here to work within it — I'm here to dismantle it. DI follow protocol until protocol stops being useful. Then I make the call myself. EThe rules collapsed a long time ago. What's left is instinct, and mine are reliable. NEXT QUESTION → 08 When everything is on the line, what keeps you going? The answer is the most honest thing about you. ADestiny — or something that feels so much like it that the difference no longer matters. BThe people on my ship — their faces, their trust, the fact that they're counting on me. CThe belief that what we're fighting for is worth every sacrifice, including this one. DSheer refusal to let it win — whatever it is. I don't stop. That's just who I am. EI'm not sure anymore. But the road is still there, and I'm still on it. REVEAL MY HERO → Your Hero Has Been Identified Your Sci-Fi Hero Is…Your answers point to the iconic sci-fi hero who shares your instincts, your values, and your particular way of facing the impossible. Paul AtreidesYou carry a weight most people would crumble under — the knowledge of what you're capable of, and the burden of what you might have to become. You see further ahead than others and you plan accordingly, even when the vision frightens you. You are driven by loyalty to your people and a sense of destiny you didn't ask for but can't escape. Paul Atreides is not simply a hero — he is someone who understands the cost of power and chooses to bear it anyway. That gravity, that willingness to carry what others won't, is exactly you. Captain KirkYou lead with instinct, warmth, and an absolute refusal to accept a no-win scenario — because you've always believed there's a third option nobody else has thought of yet. You take the mission seriously without ever taking yourself too seriously. Your crew would follow you anywhere, not because you demand it, but because you've earned it. Kirk's genius isn't tactical — it's human. He reads people, bends rules with purpose, and wills outcomes into existence through sheer conviction. That combination of warmth, audacity, and relentless optimism is unmistakably yours. Princess LeiaYou are the kind of person who holds the line when everyone else is losing faith — not because you're fearless, but because giving up simply isn't something you're capable of. You lead through conviction. Your voice carries because your belief is unshakeable. You gave up everything ordinary the moment you chose the cause, and you've never looked back. Leia is not a supporting character in her own story — she is the moral centre of the entire rebellion. That same fierce, principled, unbreakable core is what defines you. Ellen RipleyYou are not reckless, not grandiose, and not particularly interested in being anyone's hero — you just refuse to stop when it matters. You see threats clearly, you document the truth even when no one listens, and when the time comes you handle it yourself. Ripley's heroism is earned, not performed. She doesn't have a speech — she has a flamethrower and a plan. You share her composure under the worst possible pressure, and her refusal to pretend the monster isn't there. When it counts, you don't flinch. That's everything. Max RockatanskyYou have been through fire that would break most people — and what came out the other side is something the world underestimates at its peril. You don't ask for help, don't need validation, and don't wait for anyone to tell you the rules no longer apply. Your loyalty, when it finally arrives, is absolute — but it's earned in silence and tested in action, not in words. Max is not a nihilist. He is someone who lost everything and found, against his will, that he still has something worth protecting. That bruised, stubborn, ultimately human core is exactly yours. ↻ RETAKE THE QUIZ 'Counterpart' (2017–2019) Image via Starz Starring J. K. Simmons, who delivers one of his most impressive and underappreciated performances to date, Counterpart also happens to be one of the most underrated sci-fi shows of the 2010s. It's a political and espionage thriller unlike any other, blending those genres' usual elements with a high-concept science fiction premise, resulting in a televisual gem that feels like John le Carré and parallel universe sci-fi had a baby. As perfect as thriller shows get, making its flawless 100% approval rating from critics on Rotten Tomatoes entirely deserved. It's one of those forgotten thriller shows that are as perfect as thriller shows get, making its flawless 100% approval rating from critics on Rotten Tomatoes entirely deserved. Smart, creative, anchored by Simmons' faultless dual-role performance, and as perfectly-paced as the best Cold War espionage thrillers from yesteryear, it's proof of just how perfect sci-fi thrillers can get when executed the right way. 'The Expanse' (2015–2022) Image via SYFY Based on the hugely successful series of novels by James S. A. Corey (the pen name of Daniel Abraham and Ty Franck), The Expanse is every bit as perfect as its source material, if not perhaps even better. It was originally canceled by Syfy after only three seasons, but later picked back up by Prime Video for another three. The result is not only one of the best six-season TV shows of all time, but also one of the most well-rounded sci-fi shows of the last couple of decades. The Expanse is, indeed, perfect in pretty much every sense that matters. Widely regarded as one of the sci-fi shows with the best world-building, as well as one of the most scientifically realistic series the genre has ever seen, it may also be one of the most universally beloved space operas in television history. Deeply human in its character development, complex in its thematic explorations, and sophisticated in its political intrigue, it's an absolutely delightful masterpiece. 'Dark' (2017–2020) Image via Netflix Dark was Netflix's first-ever German-language TV show, but it soon became something far greater than just that. This time travel and parallel universe sci-fi masterpiece is now widely regarded not just as one of the best shows on the streaming giant's catalog, nor only as one of the best-written and best-directed sci-fi shows of the last decade. It really is the closest that time travel science fiction has ever come to perfection on the small screen, one of those perfect sci-fi shows that are shorter than five seasons. That's because Dark was always meticulously planned out from the very start, so that three seasons was all it took for the team behind it to tell the story they sought out to tell as flawlessly as they sought out to tell it. Dark is intellectually challenging more often than not, and you practically need a notebook by your side when watching it, but that challenge is more than worth it in the end. Philosophically fascinating, emotionally cathartic, and deeply satisfying in every area, it's the kind of perfect sci-fi show that everyone who loves the genre should aim to check out at least once in their lives. 'The Prisoner' (1967–1968) Image via ITV Out there, there are plenty of perfect sci-fi shows nobody remembers, but it doesn't get much more perfect than the spy-fi psychological drama The Prisoner. Far more than just a phenomenal sci-fi series, it's one of the greatest pieces of television to have come out of the United Kingdom throughout the 20th century. Praised for its surreal tone, its increasingly bizarre atmosphere, and its Kafkaesque story, it's a piece of commentary on 1960s counterculture which has unsurprisingly aged like fine wine. Now generally considered one of the decade's biggest televisual cult classics, The Prisoner tends to receive nothing but praise nowadays—but that's still not enough. There really is a strong argument to be made that it's the single most flawless sci-fi TV show the world has ever seen, a masterpiece whose radical creative decisions and storytelling devices brought bold philosophical ambition and auteur-driven passion to sci-fi television well before those became the norm. It broke new ground in more areas than one can possibly count, making it one of the most perfect genre shows of all time. The Prisoner Release Date 1967 - 1968-00-00 Network ITV1 Cast Arthur Gross Control Room Operator Barbara Yu Ling Taxi driver Bartlett Mullins Committee Chairman Directors Don Chaffey, Pat Jackson, Peter Graham Scott Writers George Markstein, Anthony Skene, Terence Feely, Vincent Tilsley, Ian Rakoff Seasons 1 Producers David Tomblin