Total Nerd Sci-Fi Shows You Should Be Watching Now  

Ranker TV
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119.3k votes 9.5k voters 174.7k views 118 items

Few TV genres are as tricky to get right as the science-fiction series. However, this also allows for there to be an unlimited number of sci-fi shows with different tones, scopes, and stories depending on the platform they're coming from - be it a big-budget network smash hit, or a smaller and more intimate cable series. There are some excellent current sci-fi shows on television - but which do you think are the best?

It's time to pick the best sci-fi shows on television right now - those you think everyone should be watching. These are sci fi TV shows or sci fi series that voters have agreed are the best of the genre - at least for the current crop (we all know Battlestar Galactica would outrank them all!). However, new sci-fi shows like Timeless and Legion might quickly climb up the list. 

Check out this list of the best 2018 sci-fi shows on television right now and vote up the good current science fiction shows you think deserve the top spots. Whether you prefer an epic story of sister clones fighting to survive, or an anthology series for the ages, if it's a great sci-fi airing now, you'll find it below.

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The Expanse is listed (or ranked) 1 on the list Sci-Fi Shows You Should Be Watching Now
The Expanse Thomas Jane, Steven Strait, Cas Anvar The Expanse (Syfy, 2015) is an American science fiction television series developed by Mark Fergus and Hawk Ostby, based on the novels by James S. A. Corey. In a future where humanity has ...more

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Westworld is listed (or ranked) 2 on the list Sci-Fi Shows You Should Be Watching Now
Westworld Evan Rachel Wood, Thandie Newton, Jeffrey Wright Westworld (HBO, 2016) is an American science fiction western thriller television series created by Jonathan Nolan and Lisa Joy, and based on the 1973 film. In a technologically advanced Wild ...more

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Stranger Things is listed (or ranked) 3 on the list Sci-Fi Shows You Should Be Watching Now
Stranger Things Winona Ryder, David Harbour, Finn Wolfhard Stranger Things (Netflix, 2016) is an American science fiction-horror web television series created by The Duffer Brothers. When a young boy (Noah Schnapp) disappears, his mother (Winona Ryder), ...more

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Doctor Who is listed (or ranked) 4 on the list Sci-Fi Shows You Should Be Watching Now
Doctor Who Christopher Eccleston, David Tennant, Matt Smith Doctor Who (BBC, 2005) is a British science-fiction television show created by Sydney Newman, C. E. Webber, and Donald Wilson. The further adventures in time and space of the alien adventurer ...more

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Travelers is listed (or ranked) 5 on the list Sci-Fi Shows You Should Be Watching Now
NickKing added Travelers Eric McCormack, MacKenzie Porter, Nesta Cooper Travelers (Netflix, 2016) is a science fiction television series created by Brad Wright. Hundreds of years from now, surviving humans discover how to send consciousness back through time, into ...more

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Humans is listed (or ranked) 6 on the list Sci-Fi Shows You Should Be Watching Now
Humans Manpreet Bachu, Emily Berrington, Ruth Bradley Humans (AMC, 2015) is a science fiction television series created by Sam Vincent and Jonathan Brackley. In a parallel present where the latest must-have gadget for any busy family is a 'Synth' - ...more

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Black Mirror is listed (or ranked) 7 on the list Sci-Fi Shows You Should Be Watching Now
Black Mirror Daniel Kaluuya, Toby Kebbell, Rory Kinnear Black Mirror is a British television anthology series created by Charlie Brooker that features speculative fiction with dark and sometimes satirical themes that examine modern society, ...more

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The Orville is listed (or ranked) 8 on the list Sci-Fi Shows You Should Be Watching Now
Luke Albright added The Orville Seth MacFarlane, Adrianne Palicki, Scott Grimes The Orville (Fox, 2017) is a science fiction comedy-drama series created by Seth MacFarlane. Ed Mercer (MacFarlane) is captain of the U.S.S. Orville (ECV-197), a mid-level exploration starship ...more

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Lost in Space is listed (or ranked) 9 on the list Sci-Fi Shows You Should Be Watching Now
Russell Merryman added Lost in Space Toby Stephens, Molly Parker, Ignacio Serricchio Lost in Space (Netflix, 2018) is an American science fiction web television series created by Matt Sazama and Burk Sharpless, and a reboot of the 1965 series. After encountering a rip in ...more

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3% is listed (or ranked) 10 on the list Sci-Fi Shows You Should Be Watching Now
ronit-vertelney added 3% Bianca Comparato, João Miguel, Michel Gomes 3% (Netflix, 2016) is a Brazilian dystopian thriller series created by Pedro Aguilera. The show is set in a future wherein people are given a chance to go to the "better side" of a ...more

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Legion is listed (or ranked) 11 on the list Sci-Fi Shows You Should Be Watching Now
Legion Dan Stevens, Rachel Keller, Aubrey Plaza Legion (FX, 2017) is an American cable television series created by Noah Hawley, based on the Marvel Comics character. Diagnosed with schizophrenia at a young age, David Haller (Dan Stevens) ...more

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The OA is listed (or ranked) 12 on the list Sci-Fi Shows You Should Be Watching Now
ronit-vertelney added The OA Brit Marling, Emory Cohen, Scott Wilson The OA (Netflix, 2016) is an American mystery drama web television series, with science fiction, supernatural and fantasy elements. Creator Brit Marling stars as a young woman named Prairie ...more

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Agents of S.H.I.E.L.D. is listed (or ranked) 13 on the list Sci-Fi Shows You Should Be Watching Now
Russell Merryman added Agents of S.H.I.E.L.D. Clark Gregg, Ming-Na Wen, Brett Dalton Marvel's Agents of S.H.I.E.L.D., or simply Agents of S.H.I.E.L.D., is an American television series created for ABC by Joss Whedon, Jed Whedon, and Maurissa Tancharoen, based on the Marvel ...more

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The Flash is listed (or ranked) 14 on the list Sci-Fi Shows You Should Be Watching Now
The Flash Grant Gustin, Candice Patton, Danielle Panabaker The Flash (The CW, 2014) is an American superhero television series developed by Greg Berlanti, Andrew Kreisberg, and Geoff Johns, based on the DC Comics character. Crime scene investigator ...more

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Legends of Tomorrow is listed (or ranked) 15 on the list Sci-Fi Shows You Should Be Watching Now
Legends of Tomorrow Victor Garber, Brandon Routh, Arthur Darvill DC's Legends of Tomorrow (The CW, 2016) is an American superhero action-adventure television series spin-off from Arrow and The Flash, existing in the same fictional universe. When Vandal Savage ...more

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Sense8 is listed (or ranked) 16 on the list Sci-Fi Shows You Should Be Watching Now
voting closed at #17 Sense8 Aml Ameen, Doona Bae, Jamie Clayton Sense8 (Netflix, 2015) is an American science fiction drama web television series created by Lana and Lilly Wachowski and J. Michael Straczynski. A group of people around the world are suddenly ...more

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Runaways is listed (or ranked) 17 on the list Sci-Fi Shows You Should Be Watching Now
Runaways Rhenzy Feliz, Lyrica Okano, Virginia Gardner Marvel's Runaways (Hulu, 2017) is an American web television series created by Josh Schwartz and Stephanie Savage. Six teenagers from different backgrounds unite against a common enemy — their ...more

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Castle Rock is listed (or ranked) 18 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Castle Rock Melanie Lynskey, Andre Holland, Jane Levy Castle Rock (Hulu, 2018) is an American psychological horror web television series created by J. J. Abrams. Based on the stories of Stephen King, the series will intertwine characters and themes ...more

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The Gifted is listed (or ranked) 19 on the list Sci-Fi Shows You Should Be Watching Now
The Gifted Stephen Moyer, Amy Acker, Sean Teale The Gifted (Fox, 2017) is an American superhero TV series based on Marvel Comics's X-Men properties. Two ordinary parents (Stephen Moyer and Amy Acker) take their family on the run from the ...more

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HBO Game of Thrones is listed (or ranked) 20 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added HBO Game of Thrones

Nine noble families fight for control over the mythical lands of Westeros, while an ancient enemy returns after being dormant for thousands of years.

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Maniac is listed (or ranked) 21 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Maniac Jonah Hill, Emma Stone, Sonoya Mizuno Maniac (Netflix, 2018) is an American dark comedy television series created by Patrick Somerville and directed by Cary Fukunaga. Based on a 2014 Norwegian series, the show revolves around the ...more

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The City and The City is listed (or ranked) 22 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added The City and The City

Inspector Tyador Borlú of the Extreme Crime Squad in the European city-state of Beszel, investigates the murder of a student from Beszel's twin-city of Ul Qoman - which occupies the same space but is perceived differently.

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The 100 is listed (or ranked) 23 on the list Sci-Fi Shows You Should Be Watching Now
The 100 Eliza Taylor, Paige Turco, Thomas McDonell The 100 (The CW, 2014) is an American post-apocalyptic science fiction drama television series developed by Jason Rothenberg, loosely based on the book by Kass Morgan. 97 years after a nuclear ...more

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CW Supernatural is listed (or ranked) 24 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added CW Supernatural

Two brothers follow their father's footsteps as "hunters", fighting evil supernatural beings of many kinds, including monsters, demons, and gods that roam the earth.

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American Gods is listed (or ranked) 25 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added American Gods Ricky Whittle, Emily Browning, Crispin Glover American Gods (Starz, 2017) is an American television series developed by Bryan Fuller and Michael Green, based on the novel by Neil Gaiman. After being released from prison, Shadow Moon (Ricky ...more

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Violet Evergarden is listed (or ranked) 26 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Violet Evergarden

Violet Evergarden, a young girl formerly known as "the weapon," has left the battlefield to start a new life at CH Postal Service. There, she is deeply moved by the work of "Auto Memories Dolls," who carry people's thoughts and convert them into words. So begins her journey as an Auto Memories Doll, and comes face to face with various people's emotions and differing shapes of love. All the while searching for the meaning of the words her mentor had last said to her.

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The Frankenstein Chronicles is listed (or ranked) 27 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added The Frankenstein Chronicles Sean Bean, Tom Ward, Richie Campbell The Frankenstein Chronicles (A&E, 2015) is a British television period crime drama series created by Benjamin Ross and Barry Langford, and a re-imagining of Mary Shelley's 1818 novel. ...more

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Glitch is listed (or ranked) 28 on the list Sci-Fi Shows You Should Be Watching Now
ronit-vertelney added Glitch Patrick Brammall, Emma Booth, Genevieve O'Reilly Glitch (ABC, 2015) is an Australian paranormal television program directed by Emma Freeman. When seven people inexplicably rise from the dead in perfect health, a small town policeman (Patrick ...more

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The Magicians is listed (or ranked) 29 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added The Magicians Jason Ralph, Stella Maeve, Olivia Taylor Dudley The Magicians (Syfy, 2015) is an American fantasy television series created by Sera Gamble and John McNamara, based on the novel by Lev Grossman. Training to be a magician at Brakebills ...more

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AMC The Walking Dead is listed (or ranked) 30 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added AMC The Walking Dead

Sheriff Deputy Rick Grimes wakes up from a coma to learn the world is in ruins, and must lead a group of survivors to stay alive.

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Krypton is listed (or ranked) 31 on the list Sci-Fi Shows You Should Be Watching Now
Russell Merryman added Krypton Cameron Cuffe, Georgina Campbell, Ian McElhinney Krypton (SyFy, 2018) is an American television series developed by David S. Goyer and Damian Kindler. Set 200 years before Superman's birth on the planet Krypton, the show centers on Kal-El's ...more

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Wynonna Earp is listed (or ranked) 32 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Wynonna Earp Melanie Scrofano, Shamier Anderson, Tim Rozon Wynonna Earp (Syfy, 2016) is a Canadian-American supernatural Western horror television series created by Emily Andras, based on the comic book series by Beau Smith. With her unique abilities, ...more

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Supergirl is listed (or ranked) 33 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Supergirl Melissa Benoist, Mehcad Brooks, Chyler Leigh Supergirl (The CW, 2015) is an American superhero action-adventure television series developed by Ali Adler, Greg Berlanti, and Andrew Kreisberg, based on the DC Comics character. The adventures ...more

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Van Helsing is listed (or ranked) 34 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Van Helsing Kelly Overton, Jonathan Scarfe, Christopher Heyerdahl Van Helsing (Syfy, 2016) is an American dark fantasy horror drama television series inspired by Zenescope Entertainment's graphic novel series Helsing. Vanessa "Van" Helsing (Kelly ...more

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Ajin: Demi-Human is listed (or ranked) 35 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Ajin: Demi-Human Ajin: Demi-Human is a Japanese manga series and 2015 anime series written and illustrated by Gamon Sakurai. After he is hit by a truck, a student named Kei Nagai discovers he is an immortal ...more

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Attack on Titan is listed (or ranked) 36 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Attack on Titan Marina Inoue, Yuki Kaji, Josh Grelle Several hundred years ago, humans were nearly exterminated by giants. Giants are typically several stories tall, seem to have no intelligence, devour human beings and, worst of all, seem to do ...more

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Arrow is listed (or ranked) 37 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Arrow Stephen Amell, Katie Cassidy, Colin Donnell Arrow (The CW, 2012) is an American superhero television series developed by Greg Berlanti, Marc Guggenheim, and Andrew Kreisberg, based on the DC Comics character. Five years after being ...more

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Justice League Action is listed (or ranked) 38 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Justice League Action Kevin Conroy, Mark Hamill, Gilbert Gottfried Justice League Action (Cartoon Network, 2016) is an upcoming American animated television series based on the DC Comics superhero team of the same name. It features the adventures of Superman, ...more

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Manifest is listed (or ranked) 39 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Manifest

After a turbulent, but routine, flight the passengers and crew discover the world has aged five years, yet no time has passed for them, and soon a deeper mystery unfolds.

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Jessica Jones is listed (or ranked) 40 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Jessica Jones Krysten Ritter, Mike Colter, Rachael Taylor Jessica Jones (Netflix, 2015) is an American web television series created by Melissa Rosenberg, based on the Marvel Comics character. Following the tragic end of her brief superhero career, ...more

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Daredevil is listed (or ranked) 41 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Daredevil Charlie Cox, Deborah Ann Woll, Elden Henson Daredevil (Netflix, 2015) is an American web television series created for Netflix by Drew Goddard, based on the Marvel Comics character of the same name. Blind lawyer Matt Murdock (Charlie Cox) ...more

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The Defenders is listed (or ranked) 42 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added The Defenders Charlie Cox, Krysten Ritter, Mike Colter The Defender (Netflix, 2017) is an American web television miniseries created by Douglas Petrie and Marco Ramirez, based on the Marvel Comics superhero team. Daredevil (Charlie Cox), Jessica ...more

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Luke Cage is listed (or ranked) 43 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Luke Cage Mike Colter, Mahershala Ali, Simone Missick Luke Cage (Netflix, 2016) is an American web television series created by Cheo Hodari Coker, based on the Marvel Comics character. When a sabotaged experiment gives him super strength and ...more

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Cloak & Dagger is listed (or ranked) 44 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Cloak & Dagger Olivia Holt, Aubrey Joseph, Andrea Roth Cloak & Dagger (Freeform, 2018) is an American cable television series created by Joe Pokaski, based on the Marvel Comics characters. Tandy Bowen (Olivia Holt) and Tyrone Johnson (Aubrey ...more

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Netflix Iron Fist is listed (or ranked) 45 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Netflix Iron Fist

A young man is bestowed with incredible martial arts skills and a mystical force known as the Iron Fist.

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Titans is listed (or ranked) 46 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Titans Brenton Thwaites, Anna Diop, Teagan Croft Titans (2018) is an American web television series developed by Akiva Goldsman, Geoff Johns, Greg Berlanti, and Sarah Schechter, based on the DC Comics superhero team. Led by Batman's former ...more

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The Punisher is listed (or ranked) 47 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added The Punisher Jon Bernthal, Ben Barnes, Ebon Moss-Bachrach Marvel's The Punisher (Netflix, 2017) is an American web television series created for Netflix by Steve Lightfoot. Former Force Recon officer Frank Castle (Jon Bernthal), known throughout New ...more

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Hard Sun is listed (or ranked) 48 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Hard Sun Agyness Deyn, Jim Sturgess Hard Sun (Hulu, 2018) is a pre-apocalyptic British television drama series created by Neil Cross. While investigating a death of a hacker in London, two police officers stumble upon proof that ...more

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Midnight, Texas is listed (or ranked) 49 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Midnight, Texas François Arnaud, Dylan Bruce, Parisa Fitz-Henley Midnight, Texas (NBC, 2017) is an American supernatural drama television series developed by Monica Owusu-Breen, based on the book series by Charlaine Harris. On the run from his past, young ...more

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Day 5 is listed (or ranked) 50 on the list Sci-Fi Shows You Should Be Watching Now
Rob Burchfield added Day 5

An unexplainable epidemic has swept across the globe affecting every human being. People are frantically searching for answers because if you fall asleep... You die. How long can people stay awake?