Entertainment
415 voters

The Most Exciting Sci-Fi Series Ever Made

Updated April 9, 2021 5.8k votes 415 voters 4.0k views88 items

List RulesOnly science fiction (not fantasy) television series that historically offer galactic levels of excitement.

The top sci-fi TV shows ever aired are some of the most exciting and thought-provoking to watch on television, but which is the best of them all? Determining which science fiction TV series is the best isn't an easy task given the plethora of options available, but this list might make it just a bit easier. These days, with the use of digital streaming, more and more shows people have forgotten are being rewatched, checked out for the first time, or even remade into new classics for new generations to enjoy, but which of these sci-fi shows is the best of them all in terms of excitement?

Would something newer like Star Trek: Discovery beat out a classic on this list like Star Trek: The Original Series, the very show that inspired it? For a science fiction series to be truly exciting, it has to be the kind that depicts more than just cool new tech or rapid-fire sci-fi action scenes - it needs to show a conflict between one or more groups of people, aliens, robots, or whatever in which survival is key. An exciting sci-fi show gets the audience has to get invested in the story.

The only way to find out which are the best is to vote up your favorite sci-fi series below, but remember, this list is all about excitement! Which series is more exciting than the one below it? Don't forget to add your favorite sci-fi show to the list if it's missing and vote for your favorites below!

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  • 1
    163
    80

    Firefly

    Nathan Fillion, Gina Torres
    Firefly (Fox, 2002) is an American space western science fiction drama television series...  more
  • 2
    145
    71

    Star Trek: The Next Generation

    Patrick Stewart, Brent Spiner
    Star Trek: The Next Generation is an American science fiction television series created by...  more
  • 3
    108
    46

    Fringe

    Anna Torv, Joshua Jackson
    Fringe (Fox, 2008) is an American science fiction television series created by J. J. Abrams,...  more
  • 4
    124
    61

    Stargate SG-1

    Richard Dean Anderson, Michael Shanks
    Stargate SG-1 is an adventure and military science fiction television series and part of...  more
  • 5
    122
    60

    Star Trek: The Original Series

    William Shatner, Leonard Nimoy
    Star Trek is an American science fiction television series created by Gene Roddenberry that...  more
  • 6
    79
    26

    The Mandalorian

    Pedro Pascal, Gina Carano
    The Mandalorian (Disney+, 2019) is an American space opera web television series set in the...  more
  • 7
    142
    79

    Battlestar Galactica

    Edward James Olmos, Mary McDonnell
    Battlestar Galactica (Sc-Fi, 2004) is an American military science fiction television series...  more
  • 8
    107
    59

    The Expanse

    Thomas Jane, Steven Strait
    The Expanse (Syfy, 2015) is an American science fiction television series developed by Mark...  more
  • 9
    87
    46

    Farscape

    Ben Browder, Claudia Black
    Farscape is an Australian/American science fiction television series, produced originally for...  more
  • 10
    89
    48

    Babylon 5

    Jerry Doyle, Mira Furlan
    Babylon 5 (Syndicated, 1994) is an American space opera television series created by writer...  more
  • 11
    114
    73

    Doctor Who

    Christopher Eccleston, David Tennant
    Doctor Who (BBC, 2005) is a British science-fiction television show created by Sydney Newman,...  more
  • 12
    85
    48

    Star Trek: Deep Space Nine

    Avery Brooks, Rene Auberjonois
    Star Trek: Deep Space Nine is a science fiction television series set in the Star Trek...  more
  • 13
    81
    43

    Star Trek: Voyager

    Kate Mulgrew, Robert Beltran
    Star Trek: Voyager (UPN, 1995) is a science fiction television series created by Rick Berman,...  more
  • 14
    89
    52

    Stranger Things

    Winona Ryder, David Harbour
    Stranger Things (Netflix, 2016) is an American science fiction-horror web television series...  more
  • 15
    98
    67

    Stargate Atlantis

    Joe Flanigan, Rachel Luttrell
    Stargate Atlantis is a Canadian-American adventure and military science fiction television...  more
  • 16
    67
    41

    Lost in Space (2018-

    Molly Parker, Toby Stephens
    Lost in Space (Netflix, 2018) is an American science fiction web television series created by...  more
  • 17
    63
    37

    Eureka

    Colin Ferguson, Salli Richardson-Whitfield
    Eureka (Syfy, 2006) is an American science fiction television series created by Andrew Cosby...  more
  • 18
    70
    45

    Battlestar Galactica

    Edward James Olmos, Mary McDonnell
    Battlestar Galactica is an American science fiction television series, created by Glen A....  more
  • 19
    67
    42

    Westworld

    Evan Rachel Wood, Thandie Newton
    Westworld (HBO, 2016) is an American science fiction western thriller television series...  more
  • 20
    84
    61

    Star Trek: Enterprise

    Scott Bakula, John Billingsley
    Star Trek: Enterprise is a science fiction TV series and a prequel to the original Star Trek....  more
  • 21
    66
    43

    Agents of S.H.I.E.L.D.

    Clark Gregg, Ming-Na Wen
    Marvel's Agents of S.H.I.E.L.D. (ABC, 2013) is an American action drama superhero series...  more
  • 22
    58
    40

    Quantum Leap

    Scott Bakula, Dean Stockwell
    Quantum Leap is an American television series that originally aired on NBC for five seasons,...  more
  • 23
    55
    36

    Timeless

    Abigail Spencer, Matt Lanter
    Timeless (NBC, 2016) follows the adventures of an unusual trio; a history professor (Abigail...  more
  • 24
    51
    32

    Warehouse 13

    Eddie McClintock, Joanne Kelly
    Warehouse 13 is a U.S. television science fiction series that premiered on July 7, 2009, on...  more
  • 25
    47
    28

    Orphan Black

    Tatiana Maslany, Dylan Bruce
    Orphan Black is a Canadian science fiction television series created by screenwriter Graeme...  more