100 Best Sci-Fi TV Shows of All Time

Westworld Episode 14 (season 2, episode 4), debut 5/13/18: Jeffrey Wright. photo: John P. Johnson/HBO; THE X-FILES: L-R: Guest star William B. Davis, David Duchovny, Gillian Anderson and Mitch Pileggi in THE X-FILES premiering Wednesday, Jan. 3 (8:00-9:00 PM ET/PT) on FOX. ©2017 Fox Broadcasting Co. Cr: Frank Ockenfels/FOX; Jamie Bamber, Katee Sackhoff, James Callis of Battlestar Galactica - SyFy; Stranger Things season 1, Millie Bobby Brown as Eleven (Netflix)

(Photo by John P. Johnson/HBO; Frank Ockenfels/FOX; SyFy; Netflix)

Best Sci-Fi Series
100-81 | 80-61 | 60-41 | 40-21 | 20-1

Star Wars: The Clone Wars (2008)
93%

#60

Synopsis: The first weekly TV series from Lucasfilm Animation chronicles the adventures of Anakin Skywalker, Yoda, Obi-Wan Kenobi and other popular... [More]

Starring: Matt Lanter, Ashley Eckstein, Tom Kane, James Arnold Taylor

Directed By: Dave Filoni, Giancarlo Volpe, Kyle Dunlevy, Rob Coleman

Alien Nation (1989)
43%

#59

Synopsis: In this futuristic cop show, the Newcomers are aliens from the planet Tencton whose spaceship, a slave ship, crash-landed in... [More]

Starring: Gary Graham, Eric Pierpoint, Michele Scarabelli, Sean Six

Directed By:

Stargate Universe (2009)
70%

#58

Synopsis: Led by the brilliant scientist Dr. Nicholas Rush, a band of civilians and soldiers faces a whole new world --... [More]

Starring: Robert Carlyle, Louis Ferreira, David Blue, Brian J. Smith

Directed By: Robert C. Cooper, Brad Wright, Carl Binder

Defiance (2013)
77%

#57

Synopsis: It's the middle of the 21st century and there are new rules and a completely altered landscape on Earth after... [More]

Starring: Grant Bowler, Julie Benz, Stephanie Leonidas, Tony Curran

Directed By: Mike Nelson, Darren Swimmer, Todd Slavkin

Warehouse 13 (2009)
82%

#56

Synopsis: Following an abrupt transfer, Secret Service agents Pete Lattimer and Myka Bering find themselves in the middle of South Dakota... [More]

Starring: Eddie McClintock, Joanne Kelly, Saul Rubinek, Allison Scagliotti

Directed By: Jack Kenny

Dark Matter (2015)
89%

#55

Synopsis: When crew members working on a derelict spaceship awaken from stasis, they have no memory of who they are or... [More]

Starring: Melissa O'Neil, Anthony Lemke, Alex Mallari Jr., Jodelle Ferland

Directed By: Jay Firestone, Joseph Mallozzi, Vanessa Piazza, Paul Mullie

Red Dwarf (1988)
- -

#54

Synopsis: In this space spoof, Dave Lister (a chicken-soup-machine repairman) is a survivor of a radiation leak on his mining space... [More]

Starring: Craig Charles, Danny John-Jules, Chris Barrie, Robert Llewellyn

Directed By: Ed Bye, Andy De Emmony, Doug Naylor, Rob Grant

Mystery Science Theater 3000 (1988)
87%

#53

Synopsis: Forced by evil scientists to watch bad "B" movies until he breaks, a host and a bunch of captive robots... [More]

Starring: Mike Nelson, Joel Hodgson

Directed By:

Falling Skies (2011)
79%

#52

Synopsis: In the wake of an alien attack that has crippled most of the world, shock has turned to resolve as... [More]

Starring: Noah Wyle, Moon Bloodgood, Will Patton, Drew Roy

Directed By: Steven Spielberg, Justin Falvey, Darryl Frank, Robert Rodat

Continuum (2012)
88%

#51

Synopsis: Detective Kiera Cameron is a cop from the year 2077 who was raised to rely on technology more than anything... [More]

Starring: Rachel Nichols, Victor Webster, Erik Knudsen, Stephen Lobo

Directed By: Simon Barry, Jeff King

The Six Million Dollar Man (1973)
- -

#50

Synopsis: Steve Austin is an astronaut who is seriously injured when his spaceship crashes. Handsome and athletic, Austin undergoes a government-sanctioned... [More]

Starring: Lee Majors, Richard Anderson

Directed By:

Better Off Ted (2009)
89%

#49

Synopsis: Life is sweet for a young man who runs the research and development department at Veridian Technologies -- until he... [More]

Starring: Jay Harrington, Portia de Rossi, Andrea Anders, Jonathan Slavin

Directed By: Victor Fresco

Timeless (2016)
91%

#48

Synopsis: When a group with nefarious intentions attempts to change the world as we know it by altering the past, Lucy,... [More]

Starring: Abigail Spencer, Matt Lanter, Malcolm Barrett, Goran Visnjic

Directed By: Eric Kripke, Shawn Ryan, John Davis, John Fox

Now and Again (1999)
100%

#47

Synopsis: Middle-aged insurance exec Michael Wiseman finds himself dead, then gets involved in a secret government experiment that requires his brain... [More]

Starring: Eric Close, Dennis Haysbert, Margaret Colin, Heather Matarazzo

Directed By: Glenn Gordon Caron