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Trailers shown here are official content embedded from YouTube. Watch the full titles on the rights-holders' official streaming platforms.© 2026 123Movies. All rights reserved.
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Science Fiction Movies & TV Shows Online Free

Stream the best Science Fiction movies and TV shows free on 123Movies in HD. Browse 26,787 Science Fiction titles — no signup, no subscription required. Updated daily with the newest Science Fiction releases.

Serena the Sexplorer (2015)HD
Serena the Sexplorer (2015)
Starshine (2025)HD
Starshine (2025)
Cyberstalker (1996)HD
Cyberstalker (1996)
Contact (2015)HD
Contact (2015)
JuiceHD
Juice
Crazy Watto (2005)HD
Crazy Watto (2005)
Sureerat Long Hon (1961)HD
Sureerat Long Hon (1961)
Joy, Et Cetera (2019)1080P
Joy, Et Cetera (2019)
The Beast Within (1982)HD
The Beast Within (1982)
Ghost Mantis 2 (2024)HD
Ghost Mantis 2 (2024)
Naked Souls (1996)HD
Naked Souls (1996)
The Immortal Wars: Resurgence (2019)HD
The Immortal Wars: Resurgence (2019)
Not Alone (2025)HD
Not Alone (2025)
The Day After Tomorrow: Into Infinity (1975)HD
The Day After Tomorrow: Into Infinity (1975)
Phoenix (1995)HD
Phoenix (1995)
Matador Bolero (2026)HD
Matador Bolero (2026)
SeaQuest DSV (1993)HD
SeaQuest DSV (1993)
Oss (1976)HD
Oss (1976)
Spikes Protocol (2017)HD
Spikes Protocol (2017)
Asteria (2017)HD
Asteria (2017)
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123Movies

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