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The Best Animated Sci-Fi & Fantasy Series Ever Made

Updated December 14, 2020 17.7k votes 1.6k voters 22.1k views84 items

List RulesVote up the best animated science fiction and fantasy shows that have aired on television.

Animated television shows have a unique ability to create truly fantastical and out of this world fantasy and science fiction worlds. No fancy sets, special effects or costumes - if it can be drawn it can be done! The best animated sci-fi and fantasy shows are more than just “cartoons.” If you’ve been looking for the sci-fi and fantasy stories that'll ignite your imagination while also enjoying the visuals of a cartoon, this list of the best animated fantasy and science fiction series of all time will help you figure out what needs to go into your queue.

Having a talking animal friend or a robot in a cartoon doesn't necessarily make for a great animated science fiction and fantasy show. The fantasy and sci-fi elements need to be a consistent and large part of the story. Some of the best sci-fi cartoons tell the same stories a live-action show would, they just happen to be animated, such as Futurama or the animated Star Wars series. The best fantasy cartoons get to have a lot of fun with the animation and shows such as Gravity Falls and OK K.O.! Let's Be Heroes embrace the flexibility of their medium.

Which animated TV shows tell the best fantasy and sci-fi stories? Vote up the best animated science fiction and fantasy shows, then vote down the cartoons that aren't great examples of the genre, and add any sci-fi or fantasy animated series that are missing.

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  • Avatar: The Last Airbender1
    976
    145

    Avatar: The Last Airbender

    Zach Tyler, Dee Bradley Baker

    Premiered2005

    Avatar: The Last Airbender is an American television series that aired for three seasons on...  more
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  • Star Wars: The Clone Wars2
    567
    118

    Star Wars: The Clone Wars

    Tom Kane, Dee Bradley Baker

    Premiered2008

    This show is an American 3D CGI animated television series created by George Lucas and...  more
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  • Futurama3
    597
    237

    Futurama

    Billy West, John DiMaggio

    Premiered1999

    Futurama is an American adult animated science fiction sitcom created by Matt Groening and...  more
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  • Fullmetal Alchemist4
    379
    142

    Fullmetal Alchemist

    Vic Mignogna, Aaron Dismuke

    Premiered2003

    Fullmetal Alchemist (Bones, 2003) is a Japanese fantasy anime series based on the manga by...  more
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  • Samurai Jack5
    378
    141

    Samurai Jack

    Phil LaMarr, Mako

    Premiered2001

    Samurai Jack is an American animated television series created by Genndy Tartakovsky for...  more
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  • The Dragon Prince6
    407
    168

    The Dragon Prince

    Jack De Sena, Paula Burrows

    Premiered2018

    The Dragon Prince (Netflix, 2018) is a fantasy computer-animated television series created by...  more
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  • Gravity Falls7
    474
    219

    Gravity Falls

    Jason Ritter, Alex Hirsch

    Premiered2012

    Gravity Falls is an American animated television series created by animator Alex Hirsch for...  more
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  • Dexter's Laboratory8
    310
    126

    Dexter's Laboratory

    Kath Soucie, Jeff Bennett

    Premiered1996

    Dexter's Laboratory is an American comic science fiction animated television series created by...  more
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  • Gargoyles9
    282
    113

    Gargoyles

    Keith David, Salli Richardson-Whitfield

    Premiered1994

    Gargoyles is an American animated series produced by Walt Disney Television Animation and...  more
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  • The Legend of Korra10
    464
    228

    The Legend of Korra

    Janet Varney, P.J. Byrne

    Premiered2012

    The Legend of Korra (Nickelodeon, 2012) is an American animated television series created by...  more
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  • Rick and Morty11
    541
    277

    Rick and Morty

    Justin Roiland, Chris Parnell

    Premiered2013

    Rick and Morty (Adult Swim, 2013) is an American adult animated science-fiction sitcom created...  more
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  • Teenage Mutant Ninja Turtles12
    252
    107

    Teenage Mutant Ninja Turtles

    Sean Astin, Greg Cipes

    Premiered1987

    Teenage Mutant Ninja Turtles is an animated television series produced by...  more
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  • Ben 1013
    303
    149

    Ben 10

    Tara Strong, Paul Eiding

    Premiered2005

    Ben 10 (Cartoon Network, 2005), retroactively known as Ben 10 Classic, is an American animated...  more
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  • Star Wars Rebels14
    239
    116

    Star Wars Rebels

    Taylor Gray, Freddie Prinze Jr.

    Premiered2014

    Star Wars Rebels is an American 3D CGI animated television series produced by Lucasfilm and...  more
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  • Cowboy Bebop15
    260
    137

    Cowboy Bebop

    Kôichi Yamadera, Unshô Ishizuka

    Premiered1998

    Cowboy Bebop (Sunrise, 1998) is a Japanese sci-fi anime series. Set in the year 2071, it...  more
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  • Adventure Time16
    290
    170

    Adventure Time

    Jeremy Shada, John DiMaggio

    Premiered2010

    Adventure Time is an American animated television series created by Pendleton Ward for Cartoon...  more
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  • ThunderCats17
    183
    104

    ThunderCats

    Bob McFadden, Larry Kenney

    Premiered1985

    ThunderCats is an American animated television series that was produced by Rankin/Bass...  more
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  • Invader Zim18
    132
    72

    Invader Zim

    Andy Berman, Richard Steven Horvitz

    Premiered2001

    Invader Zim is an American animated television series created by Jhonen Vasquez for...  more
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  • The Powerpuff Girls19
    178
    115

    The Powerpuff Girls

    Cathy Cavadini, Elizabeth Daily

    Premiered1998

    The Powerpuff Girls is an American animated television series created by animator Craig...  more
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  • Voltron: Legendary Defender20
    110
    62

    Voltron: Legendary Defender

    Josh Keaton, Steven Yeun

    Premiered2016

    Voltron: Legendary Defender is a 2016 American animated web television series. The series...  more
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  • Troll Hunters: Tales of Arcadia21
    95
    54

    Troll Hunters: Tales of Arcadia

    Anton Yelchin, Kelsey Grammer
    Trollhunters: Tales of Arcadia (Netflix, 2016) is an American computer-animated fantasy...  more
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  • Love, Death & Robots22
    169
    122

    Love, Death & Robots

    Hayley McLaughlin, Helen Sadler

    Premiered2019

    Love, Death & Robots (Netflix, 2019) is an American animated television anthology series. A...  more
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  • Final Space23
    158
    113

    Final Space

    Olan Rogers, Fred Armisen

    Premiered2018

    Final Space (TBS, 2018) is an American adult animated science fiction television series...  more
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  • He-Man and the Masters of the Universe24
    136
    93

    He-Man and the Masters of the Universe

    John Erwin, Alan Oppenheimer

    Premiered1983

    He-Man and the Masters of the Universe is an American animated television series produced by...  more
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  • Spawn25
    124
    82

    Spawn

    Keith David, Richard Dysart

    Premiered1997

    Todd McFarlane's Spawn was an animated television series which aired on HBO from 1997 through...  more
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