Rg App Icon
Back Icon
Search Where to Stream Anything
Account IconLogin|Sign Up
|
netflix
amazon_prime
disney_plus
apple_tv_plus
& more all in one place. Totally free to use!

Promoted

Science-Fiction
arrow
AllAction & AdventureAnimationAnimeBiographyChildrenComedyCrimeDocumentaryDramaFamilyFantasyFoodGame ShowHistoryHome & GardenHorrorLGBTQMusicalMysteryRealityRomanceScience-FictionSportThrillerTravelWesternAbout AfricaAdaptationAlienAnimalApocalypseBaseballBased on BooksBased On True StoryBoxingBritish HumourCarCartoonChristmasCollegeComic BookComing of AgeDanceDark ComedyDatingDisasterDisneyDoctorDogDrugDystopiaEgyptEscapeFashionFeel-goodFemale DirectorFightingFriendshipFuturisticGangGangsterGeniusGhostGolfGreeceGymnasticsHeroismHigh SchoolHolidayHuntingImaginationJungleKidnappingMagicMartial ArtsMatureMedievalMilitaryMonsterMusicNew YorkParisParodyPetPolicePoliticalPrincessPrisonPsychologyRacingReligionRevengeRiverRobotRomeRoyaltyScienceSerial KillerShortSingingSpaceSportsSpySuperheroSupernaturalSurvivalSuspenseTankTeacherTechnologyTeenTime TravelToyTwinsVampireVideo GamesWarWorld War IIWrestlingZombie
arrowarrow
Movies & TV Shows
arrow
Movies & TV ShowsMoviesTV Shows
Get recommendations and notifications when movies & shows come to your streaming services.
On
Free Services
arrow
Every Service
Every Service
Free Services
Free Services
Your Services
Your Services
Netflix
Netflix
Prime Video
Prime Video
MAX
MAX
Disney+
Disney+
Showtime
Showtime
Hulu
Hulu
FXNOW
FXNOW
Starz
Starz
Apple TV+
Apple TV+
Plex (Free)
Plex (Free)
Peacock Premium
Peacock Premium
Paramount+
Paramount+
Philo
Philo
fuboTV
fuboTV
Crunchyroll Premium
Crunchyroll Premium
Mubi
Mubi
Discovery+
Discovery+
AMC+
AMC+
AMC
AMC
BritBox
BritBox
IFC
IFC
Shudder
Shudder
The Criterion Channel
The Criterion Channel
Funimation
Funimation
Fandor
Fandor
Hoopla
Hoopla
Kanopy
Kanopy
Tubi (Free)
Tubi (Free)
PlutoTV (Free)
PlutoTV (Free)
Peacock (Free)
Peacock (Free)
Vudu (Free)
Vudu (Free)
Freevee (Free)
Freevee (Free)
PopcornFlix (Free)
PopcornFlix (Free)
Crunchyroll (Free)
Crunchyroll (Free)
Crackle (Free)
Crackle (Free)
Cinemax
Cinemax
IndieFlix
IndieFlix
Sundance
Sundance
Syfy
Syfy
TBS
TBS
TNT
TNT
BET+
BET+
Travel Channel
Travel Channel
BBC America
BBC America
TCM
TCM
Viceland
Viceland
TruTV
TruTV
Science
Science
NBC
NBC
Comedy Central
Comedy Central
Adult Swim
Adult Swim
History
History
DIRECTV STREAM
DIRECTV STREAM
TVision
TVision
MGM+
MGM+
Cineverse
Cineverse
Cineverse (Free)
Cineverse (Free)
arrowarrow
Want to Select more than one service? Add your services to your free Reelgood account to see everything you can watch!

Best Science-Fiction Movies and TV Shows to Watch Now on free

Discover the best Science-Fiction Movies and TV Shows of all time on free with our comprehensive list. From classic favorites to new releases. Watch the best Science-Fiction Movies and TV Shows ever on free, add them to your watchlist now.
VIEW: grid

Popular Science-Fiction Movies & TV Shows

 Invasion of the Body Snatchers Poster

Invasion of the Body Snatchers (1978)

 The Final Countdown Poster
Subscribe

The Final Countdown (1980)

amazon_prime

Promoted

Recently Added Science-Fiction Movies & TV Shows

 The Chronicles of Riddick Poster
Subscribe

The Chronicles of Riddick (2004)

hulu_plus

Promoted

 War of the Worlds: Extinction Poster

War of the Worlds: Extinction (2024)

Science Science-Fiction Movies & TV Shows

 Invasion of the Body Snatchers Poster

Invasion of the Body Snatchers (1978)

 X2: X-Men United Poster
Subscribe

X2: X-Men United (2003)

hulu_plus

Promoted

Action & Adventure Science-Fiction Movies & TV Shows

 The Day After Tomorrow Poster
Subscribe

The Day After Tomorrow (2004)

apple_tv_plus

Promoted

 Transformers Poster

Transformers (2007)

Fantasy Science-Fiction Movies & TV Shows

 Lunamancer Poster

Lunamancer (2023)

 The Arrival Poster
Subscribe

The Arrival (1996)

amazon_prime

Promoted

Drama Science-Fiction Movies & TV Shows

Adaptation Science-Fiction Movies & TV Shows

Mystery Science-Fiction Movies & TV Shows

 Invasion of the Body Snatchers Poster
Subscribe

Invasion of the Body Snatchers (1978)

amazon_prime

Promoted

 The Arrival Poster

The Arrival (1996)

Thriller Science-Fiction Movies & TV Shows

 Skyquake Poster

Skyquake (2015)

 Close Encounters of the Third Kind Poster
Subscribe

Close Encounters of the Third Kind (1977)

amazon_prime

Promoted

Comedy Science-Fiction Movies & TV Shows

 Pacific Rim Poster
Subscribe

Pacific Rim (2013)

apple_tv_plus

Promoted

 Absolutely Anything Poster

Absolutely Anything (2015)

Technology Science-Fiction Movies & TV Shows

 The Terminator Poster

The Terminator (1984)

Supernatural Science-Fiction Movies & TV Shows

 Invasion of the Body Snatchers Poster

Invasion of the Body Snatchers (1978)