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The Most Exciting Sci-Fi & Fantasy TV Shows In 2020

Updated December 10, 2020 2.6k votes 233 voters 1.8k views

List RulesVote up the science fiction and fantasy television series airing new episodes during the 2020 calendar year that offer galactic levels of excitement.

Are you into exciting sci-fi TV shows and want to see what's new in 2020? These are the most exciting science fiction TV series available to watch in 2020, which are either new or continuing from a previous season. For a science fiction series to be truly exciting, it has to be the kind that depicts more than just cool new tech, it has to show a conflict between one or more groups of people, aliens, robots, or whatever in which survival is key. Exciting science fiction involves plenty of action and adventure along with the standard aliens, space voyages, time travel, and alternate universes.

Some science fiction series such as Star Trek: Discovery and Picard pick up where prior Star Trek series left off, taking us across space and into the future with well-developed characters and plot lines. The Orville might be a parody of Star Trek series, but many fans think it's an exciting enough show that it can be counted as one of the best (not) Star Trek series ever made. Netflix's The Boys tackles superheroes, Amazon Prime's Westworld is all about androids and AI, and Man in the High Castle delivers an exciting and terrifying vision of an alternate timeline that would have changed the course of history. 

Which of these exciting sci-fi TV series are your favorites? Which are you most looking forward to in 2020? Vote up your favorites and watch as the most exciting science fiction rises to the top!

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  • The Mandalorian1
    186
    34

    The Mandalorian

    Pedro Pascal, Gina Carano

    Genres (Tv)Drama, Space Opera, Science Fiction

    The Mandalorian (Disney+, 2019) is an American space opera web television series set in the...  more
  • Stranger Things2
    102
    42

    Stranger Things

    Winona Ryder, David Harbour

    Genres (Tv)Sci-fi, Horror, Supernatural, Period drama

    Stranger Things (Netflix, 2016) is an American science fiction-horror web television series...  more
  • The Boys3
    106
    51

    The Boys

    Karl Urban, Elisabeth Shue

    Genres (Tv)Superhero, Drama, Action

    The Boys (Amazon Video, 2019) is an American superhero drama web television series created by...  more
  • The Witcher4
    106
    58

    The Witcher

    Henry Cavill, Freya Allan

    Genres (Tv)Fantasy, Action, Adventure, Drama

    The Witcher (Netflix, 2019) is a fantasy action-adventure series based on the series of short...  more
  • The Umbrella Academy5
    85
    45

    The Umbrella Academy

    Elliot Page, Tom Hopper

    Genres (Tv)Superhero, Action

    The Umbrella Academy (Netflix, 2019) is an American television series developed by Steve...  more
  • Star Trek: Picard6
    66
    41

    Star Trek: Picard

    Patrick Stewart, Santiago Cabrera

    Genres (Tv)Science fiction, Drama

    Star Trek: Picard (CBS All Access, 2020) is an American television series featuring the Star...  more
  • The Expanse7
    54
    32

    The Expanse

    Thomas Jane, Steven Strait

    Genres (Tv)Mystery, Sci-Fi

    The Expanse (Syfy, 2015) is an American science fiction television series developed by Mark...  more
  • Black Mirror8
    49
    36

    Black Mirror

    Daniel Kaluuya, Toby Kebbell

    Genres (Tv)Drama, Thriller, Science Fiction, Fantasy

    Black Mirror (Netflix, 2011) is a British television anthology series created by Charlie...  more
  • Star Trek: Discovery9
    58
    48

    Star Trek: Discovery

    Sonequa Martin-Green, Doug Jones

    Genres (Tv)Science Fiction

    Star Trek: Discovery (CBS All Access, 2017) is the first Star Trek series since Star Trek:...  more
  • The Orville10
    38
    27

    The Orville

    Seth MacFarlane, Adrianne Palicki

    Genres (Tv)Comedy-drama, Science fiction

    The Orville (Fox, 2017) is a science fiction comedy-drama series created by Seth MacFarlane....  more
  • Lost in Space11
    37
    27

    Lost in Space

    Toby Stephens, Molly Parker

    Genres (Tv)Sci-fi, Mystery, Adventure

    Lost in Space (Netflix, 2018) is an American science fiction web television series created by...  more
  • Doctor Who12
    38
    31

    Doctor Who

    Christopher Eccleston, David Tennant

    Genres (Tv)Sci-fi, Adventure, Drama

    Doctor Who (BBC, 2005) is a British science-fiction television show created by Sydney Newman,...  more
  • Westworld13
    53
    54

    Westworld

    Evan Rachel Wood, Thandie Newton

    Genres (Tv)Sci-fi, Drama, Western

    Westworld (HBO, 2016) is an American science fiction western thriller television series...  more
  • Hanna14
    18
    9

    Hanna

    Esme Creed-Miles, Mireille Enos

    Genres (Tv)Drama, Action

    Hanna (Amazon Video, 2019) is an American action drama television series, based on the 2011...  more
  • Snowpiercer15
    25
    20

    Snowpiercer

    Daveed Diggs, Jennifer Connelly

    Genres (Tv)Action, Drama, Sci-Fi

    Snowpiercer (TNT, 2020) is an American television series based on the French graphic novel Le...  more
  • American Gods16
    21
    15

    American Gods

    Ricky Whittle, Emily Browning

    Genres (Tv)Fantasy, Drama

    American Gods (Starz, 2017) is an American television series developed by Bryan Fuller and...  more
  • The Flash17
    36
    35

    The Flash

    Grant Gustin, Candice Patton

    Genres (Tv)Superhero, Action, Sci-fi, Drama

    The Flash (The CW, 2014) is an American superhero television series developed by Greg...  more
  • Agents of S.H.I.E.L.D.18
    31
    31

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

    Clark Gregg, Ming-Na Wen

    Genres (Tv)Drama, Action, Adventure Film, Science Fiction, Fantasy

    Marvel's Agents of S.H.I.E.L.D., or simply Agents of S.H.I.E.L.D., is an American television...  more
  • Future Man19
    24
    24

    Future Man

    Josh Hutcherson, Eliza Coupe
    Future Man (Hulu, 2017) is an American comedy television series directed by Brandon Trost,...  more
  • The 10020
    32
    38

    The 100

    Eliza Taylor, Paige Turco

    Genres (Tv)Drama, Dystopian, Sci-fi, Action

    The 100 (The CW, 2014) is an American post-apocalyptic science fiction drama television series...  more
  • Love, Death & Robots21
    15
    15

    Love, Death & Robots

    Hayley McLaughlin, Helen Sadler

    Genres (Tv)Television anthology, Horror, Comedy, Fantasy, Science fiction

    Love, Death & Robots (Netflix, 2019) is an American animated television anthology series. A...  more
  • Outlander22
    29
    38

    Outlander

    Caitriona Balfe, Sam Heughan

    Genres (Tv)Historical drama, Adventure, Romance, Fantasy

    Outlander (Starz, 2014) is a historical drama television series developed by Ronald D. Moore,...  more
  • See23
    11
    12

    See

    Jason Momoa, Alfre Woodard

    Genres (Tv)Drama

    See (Apple TV+, 2019) is an American science fiction drama television series. The show takes...  more
  • Carnival Row24
    31
    42

    Carnival Row

    Orlando Bloom, Cara Delevingne

    Genres (Tv)Fantasy, Neo-noir

    Carnival Row (Amazon Video, 2019) is an American neo-noir fantasy web television series...  more
  • The Man in the High Castle25
    11
    15

    The Man in the High Castle

    Alexa Davalos, Rupert Evans

    Genres (Tv)History, Drama, Dystopian, Thriller, Sci-fi

    The Man in the High Castle (Amazon Video, 2015) is an American dystopian alternative history...  more