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Best Science-Fiction Movies and TV Shows to Watch Now on Plex (Free)

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

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Popular Science-Fiction Movies & TV Shows

Coherence Poster

Coherence (2014)

Limitless Poster

Limitless (2011)

What We Left Behind: Looking Back at Star Trek: Deep Space Nine Poster

What We Left Behind: Looking Back at Star Trek: Deep Space Nine (2019)

Prime Video

Promoted

Beneath the Green Poster

Beneath the Green (2023)

Mind Over Murder Poster

Mind Over Murder (2005)

Danger! Danger! Poster

Danger! Danger! (2022)

Dark Skies Poster

Dark Skies (2013)

Prime Video

Promoted

Dark Island Poster

Dark Island (2010)

Future Soldier Poster

Future Soldier (2023)

Coyote Poster

Coyote (2023)

The Advanced Guard Poster

The Advanced Guard (1998)

Spaceship to the Unknown Poster

Spaceship to the Unknown (1966)

Melancholia Poster

Melancholia (2011)

Interface Poster

Interface (2022)

Eternity Poster

Eternity (2013)

Proximity Poster

Proximity (2020)

Ellipse Poster

Ellipse (2019)

The Blackout Poster

The Blackout (2019)

The Box Poster

The Box (2024)

Aliens Uncovered: The Lost Race Poster

Aliens Uncovered: The Lost Race (2023)

Dark Skies Poster

Dark Skies (2013)

Push Poster

Push (2009)

Recently Added Science-Fiction Movies & TV Shows

Battle Royale Poster

Battle Royale (2000)

Prime Video

Promoted

Interpreters: a C & Earth Chronicle - quantum 1 Poster

Interpreters: a C & Earth Chronicle - quantum 1 (2025)

Creep Box Poster

Creep Box (2025)

Trapped Inn Poster

Trapped Inn (2024)

Limitless Poster

Limitless (2011)

Prime Video

Promoted

The Box Poster

The Box (2024)

South of Hope Street Poster

South of Hope Street (2024)

Room 0 Poster

Room 0 (2024)

Double Blind Poster

Double Blind (2024)

Box: Metaphor Poster

Box: Metaphor (2024)

Gods of the Deep Poster

Gods of the Deep (2024)

Project Dorothy Poster

Project Dorothy (2024)

Black Eyed Susan Poster

Black Eyed Susan (2024)

A Hard Problem Poster

A Hard Problem (2023)

Aliens Uncovered: The Lost Race Poster

Aliens Uncovered: The Lost Race (2023)

Time Addicts Poster

Time Addicts (2023)

Black Noise Poster

Black Noise (2023)

Binary Samurai Poster

Binary Samurai (2023)

Dark Asset Poster

Dark Asset (2023)

Krispr Poster

Krispr (2023)

Subject Poster

Subject (2023)

Galatea Poster

Galatea (2023)

Science Science-Fiction Movies & TV Shows

Coherence Poster

Coherence (2014)

Proximity Poster

Proximity (2020)

Hardcore Henry Poster

Hardcore Henry (2016)

Prime Video

Promoted

Cartes sur table Poster

Cartes sur table (1966)

Absolute Denial Poster

Absolute Denial (2022)

The Creation of the Humanoids Poster

The Creation of the Humanoids (1962)

Transformers: Rise of the Beasts Poster

Transformers: Rise of the Beasts (2023)

Prime Video

Promoted

BraveStorm Poster

BraveStorm (2017)

Riverworld Poster

Riverworld (2003)

51 Poster

51 (2011)

After Yang Poster

After Yang (2022)

The Crawling Hand Poster

The Crawling Hand (1966)

Atlantic Rim: Resurrection Poster

Atlantic Rim: Resurrection (2018)

Alien Hunter Poster

Alien Hunter (2003)

The Island of Dr. Moreau Poster

The Island of Dr. Moreau (1996)

The Brain Eaters Poster

The Brain Eaters (1963)

Mansquito Poster

Mansquito (2005)

Humanoids from the Deep Poster

Humanoids from the Deep (1980)

Silent Night, Deadly Night 5: The Toy Maker Poster

Silent Night, Deadly Night 5: The Toy Maker (1992)

The Visitor Poster

The Visitor (1979)

The Aliens Poster

The Aliens (2018)

Blood of the Vampire Poster

Blood of the Vampire (1959)

Action & Adventure Science-Fiction Movies & TV Shows

Fantasy Science-Fiction Movies & TV Shows

Mind Over Murder Poster

Mind Over Murder (2005)

Riverworld Poster

Riverworld (2003)

Total Recall Poster

Total Recall (1990)

Prime Video

Promoted

Time Barbarians Poster

Time Barbarians (1990)

Jack's Apocalypse Poster

Jack's Apocalypse (2016)

Princess of Mars Poster

Princess of Mars (2009)

The Final Countdown Poster

The Final Countdown (1980)

Prime Video

Promoted

The Journey: Absolution Poster

The Journey: Absolution (1997)

Ratpocalypse Poster

Ratpocalypse (2015)

The iDol Poster

The iDol (2006)

The Palmer Supremacy Poster

The Palmer Supremacy (2019)

Adaptation Science-Fiction Movies & TV Shows

Battle Royale Poster

Battle Royale (2000)

BraveStorm Poster

BraveStorm (2017)

Absolutely Anything Poster

Absolutely Anything (2015)

Prime Video

Promoted

Riverworld Poster

Riverworld (2003)

Ender's Game Poster

Ender's Game (2013)

Into the Forest Poster

Into the Forest (2016)

Fast Color Poster

Fast Color (2019)

Prime Video

Promoted

The Golden Bat Poster

The Golden Bat (1966)

The White King Poster

The White King (2017)

Transit Poster

Transit (2018)

Fantastic Planet Poster

Fantastic Planet (1973)

Wicked City Poster

Wicked City (1987)

Painkiller Jane Poster

Painkiller Jane (2007)

The Immortal Wars: Resurgence Poster

The Immortal Wars: Resurgence (2020)

Monstroid Poster

Monstroid (1980)

Thriller Science-Fiction Movies & TV Shows

The Advanced Guard Poster

The Advanced Guard (1998)

Interface Poster

Interface (2022)

The Andromeda Strain Poster

The Andromeda Strain (1971)

Prime Video

Promoted

Interpreters: a C & Earth Chronicle - quantum 1 Poster

Interpreters: a C & Earth Chronicle - quantum 1 (2025)

Trapped Inn Poster

Trapped Inn (2024)

The Nomad Poster

The Nomad (2023)

Phantasm Poster

Phantasm (1979)

Prime Video

Promoted

Box: Metaphor Poster

Box: Metaphor (2024)

5th Passenger Poster

5th Passenger (2018)

Oxalis Poster

Oxalis (2018)

The Atomic Submarine Poster

The Atomic Submarine (1959)

Infinity Chamber Poster

Infinity Chamber (2017)

Epoch Poster

Epoch (2001)

The Humanity Bureau Poster

The Humanity Bureau (2017)

The Wave Poster

The Wave (2020)

Sender Poster

Sender (2020)

Kamikaze 89 Poster

Kamikaze 89 (1984)

Variant Poster

Variant (2020)

Prototype Poster

Prototype (2022)

The Speed of Thought Poster

The Speed of Thought (2011)

Flashburn Poster

Flashburn (2017)

Identicals Poster

Identicals (2016)

Comedy Science-Fiction Movies & TV Shows

Infinity Chamber Poster

Infinity Chamber (2017)

Prime Video

Promoted

Cartes sur table Poster

Cartes sur table (1966)

Pale Blue Moon Poster

Pale Blue Moon (2003)

2069: A Sex Odyssey Poster

2069: A Sex Odyssey (1989)

Into the Forest Poster

Into the Forest (2016)

Prime Video

Promoted

Max Headroom Poster

Max Headroom (1987)

Breaking Barbi Poster

Breaking Barbi (2019)

Asockalypse! Poster

Asockalypse! (2016)

Hot Bot Poster

Hot Bot (2016)

Repli-Kate Poster

Repli-Kate (2002)

From Other Worlds Poster

From Other Worlds (2004)

Strangest Dreams: Invasion of the Space Preachers Poster

Strangest Dreams: Invasion of the Space Preachers (1990)

Bacon Head Poster

Bacon Head (2001)

The Search for Simon Poster

The Search for Simon (2016)

Escape from Area 51 Poster

Escape from Area 51 (2021)

The Second Age of Aquarius Poster

The Second Age of Aquarius (2022)

Supernatural Science-Fiction Movies & TV Shows

Limitless Poster

Limitless (2011)

Dark Skies Poster

Dark Skies (2013)

Phantasm Poster

Phantasm (1979)

God Raiga vs King Ohga Poster

God Raiga vs King Ohga (2020)

BraveStorm Poster

BraveStorm (2017)

Space Is the Place Poster

Space Is the Place (2017)

Rabid Poster

Rabid (1977)

Guardians Poster

Guardians (2009)

The Atomic Submarine Poster

The Atomic Submarine (1959)

The Island of Dr. Moreau Poster

The Island of Dr. Moreau (1996)

Gamera: The Giant Monster Poster

Gamera: The Giant Monster (1965)

Outlander Poster

Outlander (2008)

Mansquito Poster

Mansquito (2005)

Flesh for Frankenstein Poster

Flesh for Frankenstein (1974)

Ape vs. Monster Poster

Ape vs. Monster (2021)

All Superheroes Must Die Poster

All Superheroes Must Die (2013)

Blood of the Vampire Poster

Blood of the Vampire (1959)

How to Make a Monster Poster

How to Make a Monster (1958)

Hardcore Henry Poster

Hardcore Henry (2016)

C.H.U.D. Poster

C.H.U.D. (1984)