Malcolm McDowell as Alex DeLarge in his iconic black bowler hat in the 1971 movie 'A Clockwork Orange.'

Best '70s sci-fi movies

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November 4, 2022
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Best '70s sci-fi movies

Stacker compiled a list of the best '70s sci-fi movies of all time based on our own Stacker score, a weighted index split evenly between IMDb user rating and Metascore. To qualify, the film had to have sci-fi as one of its genres on IMDb, have a Metascore, and have at least 5,000 IMDb user votes. Ties were broken by votes.

 

#50. Futureworld (1976)

- Director: Richard T. Heffron
- Stacker score: 64.8
- IMDb user rating: 5.7
- Metascore: 46
- Runtime: 108 minutes

#49. Return from Witch Mountain (1978)

- Director: John Hough
- Stacker score: 65.4
- IMDb user rating: 5.7
- Metascore: 51
- Runtime: 95 minutes

#48. Zardoz (1974)

- Director: John Boorman
- Stacker score: 65.9
- IMDb user rating: 5.8
- Metascore: 46
- Runtime: 105 minutes

#47. The Black Hole (1979)

- Director: Gary Nelson
- Stacker score: 67.6
- IMDb user rating: 5.9
- Metascore: 52
- Runtime: 98 minutes

#46. Beneath the Planet of the Apes (1970)

- Director: Ted Post
- Stacker score: 68.0
- IMDb user rating: 6.0
- Metascore: 46
- Runtime: 95 minutes

#45. It's Alive (1974)

- Director: Larry Cohen
- Stacker score: 68.6
- IMDb user rating: 5.8
- Metascore: 72
- Runtime: 91 minutes

#44. The Cat from Outer Space (1978)

- Director: Norman Tokar
- Stacker score: 69.3
- IMDb user rating: 6.0
- Metascore: 58
- Runtime: 104 minutes

#43. Conquest of the Planet of the Apes (1972)

- Director: J. Lee Thompson
- Stacker score: 69.4
- IMDb user rating: 6.1
- Metascore: 49
- Runtime: 88 minutes

#42. Piranha (1978)

- Director: Joe Dante
- Stacker score: 69.6
- IMDb user rating: 5.9
- Metascore: 71
- Runtime: 94 minutes

#41. The Crazies (1973)

- Director: George A. Romero
- Stacker score: 70.8
- IMDb user rating: 6.1
- Metascore: 63
- Runtime: 103 minutes

#40. God Told Me To (1976)

- Director: Larry Cohen
- Stacker score: 71.1
- IMDb user rating: 6.2
- Metascore: 55
- Runtime: 91 minutes

#39. Death Race 2000 (1975)

- Director: Paul Bartel
- Stacker score: 71.4
- IMDb user rating: 6.2
- Metascore: 58
- Runtime: 80 minutes

#38. Demon Seed (1977)

- Director: Donald Cammell
- Stacker score: 72.1
- IMDb user rating: 6.3
- Metascore: 55
- Runtime: 94 minutes

#37. Rabid (1977)

- Director: David Cronenberg
- Stacker score: 72.2
- IMDb user rating: 6.3
- Metascore: 56
- Runtime: 91 minutes

#36. Dark Star (1974)

- Director: John Carpenter
- Stacker score: 72.2
- IMDb user rating: 6.2
- Metascore: 66
- Runtime: 83 minutes

#35. Moonraker (1979)

- Director: Lewis Gilbert
- Stacker score: 72.2
- IMDb user rating: 6.2
- Metascore: 66
- Runtime: 126 minutes

#34. Phase IV (1974)

- Director: Saul Bass
- Stacker score: 72.5
- IMDb user rating: 6.4
- Metascore: 49
- Runtime: 84 minutes

#33. Escape to Witch Mountain (1975)

- Director: John Hough
- Stacker score: 72.6
- IMDb user rating: 6.3
- Metascore: 60
- Runtime: 97 minutes

#32. Star Trek: The Motion Picture (1979)

- Director: Robert Wise
- Stacker score: 72.6
- IMDb user rating: 6.4
- Metascore: 50
- Runtime: 143 minutes

#31. The Fury (1978)

- Director: Brian De Palma
- Stacker score: 73.1
- IMDb user rating: 6.3
- Metascore: 64
- Runtime: 118 minutes

#30. The Omega Man (1971)

- Director: Boris Sagal
- Stacker score: 73.3
- IMDb user rating: 6.4
- Metascore: 56
- Runtime: 98 minutes

#29. Shivers (1975)

- Director: David Cronenberg
- Stacker score: 73.5
- IMDb user rating: 6.4
- Metascore: 58
- Runtime: 87 minutes

#28. Escape from the Planet of the Apes (1971)

- Director: Don Taylor
- Stacker score: 73.6
- IMDb user rating: 6.3
- Metascore: 69
- Runtime: 98 minutes

#27. A Boy and His Dog (1975)

- Director: L.Q. Jones
- Stacker score: 74.5
- IMDb user rating: 6.4
- Metascore: 68
- Runtime: 91 minutes

#26. Rollerball (1975)

- Director: Norman Jewison
- Stacker score: 75.4
- IMDb user rating: 6.6
- Metascore: 56
- Runtime: 125 minutes

#25. Horror Express (1972)

- Director: Eugenio Martín
- Stacker score: 75.6
- IMDb user rating: 6.5
- Metascore: 68
- Runtime: 88 minutes

#24. Silent Running (1972)

- Director: Douglas Trumbull
- Stacker score: 76.5
- IMDb user rating: 6.6
- Metascore: 67
- Runtime: 89 minutes

#23. Phantasm (1979)

- Director: Don Coscarelli
- Stacker score: 77.1
- IMDb user rating: 6.6
- Metascore: 72
- Runtime: 89 minutes

#22. Logan's Run (1976)

- Director: Michael Anderson
- Stacker score: 77.2
- IMDb user rating: 6.8
- Metascore: 53
- Runtime: 119 minutes

#21. The Medusa Touch (1978)

- Director: Jack Gold
- Stacker score: 77.8
- IMDb user rating: 6.9
- Metascore: 49
- Runtime: 109 minutes

#20. The Boys from Brazil (1978)

- Director: Franklin J. Schaffner
- Stacker score: 77.9
- IMDb user rating: 7.0
- Metascore: 40
- Runtime: 125 minutes

#19. The Man Who Fell to Earth (1976)

- Director: Nicolas Roeg
- Stacker score: 78.0
- IMDb user rating: 6.6
- Metascore: 81
- Runtime: 139 minutes

#18. The Brood (1979)

- Director: David Cronenberg
- Stacker score: 78.2
- IMDb user rating: 6.8
- Metascore: 63
- Runtime: 92 minutes

#17. The Stepford Wives (1975)

- Director: Bryan Forbes
- Stacker score: 78.3
- IMDb user rating: 6.9
- Metascore: 54
- Runtime: 115 minutes

#16. THX 1138 (1971)

- Director: George Lucas
- Stacker score: 78.4
- IMDb user rating: 6.7
- Metascore: 75
- Runtime: 86 minutes

#15. Slaughterhouse-Five (1972)

- Director: George Roy Hill
- Stacker score: 78.5
- IMDb user rating: 6.8
- Metascore: 66
- Runtime: 104 minutes

#14. Mad Max (1979)

- Director: George Miller
- Stacker score: 79.3
- IMDb user rating: 6.8
- Metascore: 73
- Runtime: 88 minutes

#13. Soylent Green (1973)

- Director: Richard Fleischer
- Stacker score: 80.6
- IMDb user rating: 7.0
- Metascore: 66
- Runtime: 97 minutes

#12. Westworld (1973)

- Director: Michael Crichton
- Stacker score: 80.7
- IMDb user rating: 6.9
- Metascore: 77
- Runtime: 88 minutes

#11. Time After Time (1979)

- Director: Nicholas Meyer
- Stacker score: 82.0
- IMDb user rating: 7.1
- Metascore: 69
- Runtime: 112 minutes

#10. The Andromeda Strain (1971)

- Director: Robert Wise
- Stacker score: 82.1
- IMDb user rating: 7.2
- Metascore: 60
- Runtime: 131 minutes

#9. Sleeper (1973)

- Director: Woody Allen
- Stacker score: 82.8
- IMDb user rating: 7.1
- Metascore: 77
- Runtime: 89 minutes

#8. Invasion of the Body Snatchers (1978)

- Director: Philip Kaufman
- Stacker score: 85.8
- IMDb user rating: 7.4
- Metascore: 75
- Runtime: 115 minutes

#7. Superman (1978)

- Director: Richard Donner
- Stacker score: 86.4
- IMDb user rating: 7.4
- Metascore: 81
- Runtime: 143 minutes

#6. Fantastic Planet (1973)

- Director: René Laloux
- Stacker score: 88.7
- IMDb user rating: 7.7
- Metascore: 73
- Runtime: 72 minutes

#5. Close Encounters of the Third Kind (1977)

- Director: Steven Spielberg
- Stacker score: 89.5
- IMDb user rating: 7.6
- Metascore: 90
- Runtime: 138 minutes

#4. Solaris (1972)

- Director: Andrei Tarkovsky
- Stacker score: 93.7
- IMDb user rating: 8.0
- Metascore: 90
- Runtime: 167 minutes

#3. A Clockwork Orange (1971)

- Director: Stanley Kubrick
- Stacker score: 95.5
- IMDb user rating: 8.3
- Metascore: 77
- Runtime: 136 minutes

#2. Alien (1979)

- Director: Ridley Scott
- Stacker score: 98.8
- IMDb user rating: 8.5
- Metascore: 89
- Runtime: 117 minutes

#1. Star Wars: Episode IV - A New Hope (1977)

- Director: George Lucas
- Stacker score: 100.0
- IMDb user rating: 8.6
- Metascore: 90
- Runtime: 121 minutes

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