Science Fiction

Marjorie Prime (2017)
6.3

Marjorie Prime (2017)

Watch Marjorie Prime (2017) online for free on 123Movies. Eighty-six-year-old Marjorie spends her final, ailing days with a computerized version ...
After the Lethargy (2018)
5.2

After the Lethargy (2018)

Watch After the Lethargy (2018) online for free on 123Movies. Sara travels to the hot spot in which supposedly one of the most extraordinary ...
Sequence Break (2017)
4.6

Sequence Break (2017)

Watch Sequence Break (2017) online for free on 123Movies. A reclusive video arcade repair technician experiences bizarre biomechanical mutations ...
Gas-s-s-s (1970)
4.0

Gas-s-s-s (1970)

Watch Gas-s-s-s (1970) online for free on 123Movies. After a chemical accident releases a deadly gas killing everyone over 25, the world is left ...
The Return of Swamp Thing (1989)
4.6

The Return of Swamp Thing (1989)

Watch The Return of Swamp Thing (1989) online for free on 123Movies. After her mother’s mysterious death, Abigail Arcane (Heather Locklear) ...
Nekrotronic (2018)
5.6

Nekrotronic (2018)

Watch Nekrotronic (2018) online for free on 123Movies. Howard North, a down-on-his-luck sewage worker, gets dragged into a global conflict ...
Space Is the Place (1974)
6.6

Space Is the Place (1974)

Watch Space Is the Place (1974) online for free on 123Movies. Sun Ra–space-age prophet, pharoanic jester, shaman-philosopher and avant-jazz ...
Brightburn (2019)
6.3

Brightburn (2019)

Watch Brightburn (2019) online for free on 123Movies. In typical superhero fashion, Brightburn follows the adventures of a young boy from a far ...
Xenophobia (2019)
3.2

Xenophobia (2019)

Watch Xenophobia (2019) online for free on 123Movies. Six strangers share their terrifying experiences with the extraterrestrial. Their stories ...
The First Man (1996)
4.0

The First Man (1996)

Watch The First Man (1996) online for free on 123Movies. Aliens who take on the form of humans are invading Earth. When a team of agents who are ...
Assassinaut (2019)
3.1

Assassinaut (2019)

Watch Assassinaut (2019) online for free on 123Movies. In the near future, aliens have invaded Earth and declared a galactic war resulting in ...
Avengers: Endgame (2019)
8.7

Avengers: Endgame (2019)

Watch Avengers: Endgame (2019) online for free on 123Movies. After half of all life is snapped away by Thanos, the Avengers are left scattered ...
Schlock (1973)
5.9

Schlock (1973)

Watch Schlock (1973) online for free on 123Movies. Schlock is a fun twist on an old tale. Schlock – and ape man frozen/preserved is ...
Quanta (2016)
4.4

Quanta (2016)

Watch Quanta (2016) online for free on 123Movies. A physicist’s life-long work comes to fruition when he is reluctantly partnered with a ...
Mothra (1961)
6.6

Mothra (1961)

Watch Mothra (1961) online for free on 123Movies. Members of a joint Japanese-Rolisican expedition go to Infant Island, the scene of H-Bomb ...
Replace (2017)
4.6

Replace (2017)

Watch Replace (2017) online for free on 123Movies. Kira Mabon lives her life to the fullest. She is young, beautiful, happy. Until one morning ...
This Island Earth (1955)
5.9

This Island Earth (1955)

Watch This Island Earth (1955) online for free on 123Movies. The electronic engineer Dr. Cal Meacham is a prominent scientist that is studying ...
The Blob (1958)
6.4

The Blob (1958)

Watch The Blob (1958) online for free on 123Movies. After teenagers Steve Andrews and his girlfriend Jane Martin see a meteorite crash nearby, ...
Frankenstein Created Woman (1967)
6.6

Frankenstein Created Woman (1967)

Watch Frankenstein Created Woman (1967) online for free on 123Movies. A dead and frozen Baron Frankenstein is re-animated by his colleague Dr. ...