The Adventures of Buckaroo Banzai Across the 8th Dimension!
Akira
Alien
Aliens
Alphaville
Back to the Future
Blade Runner
Brazil - Have never finished it.
Bride of Frankenstein
Brother From Another Planet
A Clockwork Orange
Close Encounters of the Third Kind
Contact
The Damned - If Village of the Damned then yes.
Destination Moon
The Day The Earth Stood Still
Delicatessen
Escape From New York
ET: The Extraterrestrial
Flash Gordon: Space Soldiers serial - I've seen a couple of FG serials, but don't know if this is one of them.
The Fly 1985 version) - The 1958 version is better and more influential.
Forbidden Planet
Ghost in the Shell
Gojira/Godzilla
The Incredibles
Invasion of the Body Snatchers (1956 version)
Jurassic Park
Mad Max 2/The Road Warrior
The Matrix
Metropolis - Restored version with many long missing scenes and cards to fill in the missing plot bits.
On the Beach
Planet of the Apes (1968 version)
Robocop
Sleeper
Solaris (1972 version) - Wonderful book, movie captured it well. Very slow moving and I often fall asleep watching it.
Star Trek II: The Wrath of Khan
Star Wars Episode IV: A New Hope
Star Wars Episode V: The Empire Strikes Back
The Stepford Wives - 1975 version
Superman
Terminator 2: Judgement Day
The Thing From Another World
Things To Come - I've seen clips, but want to see it in its entirety one of these days.
Tron
12 Monkeys
28 Days Later
20,000 Leagues Under the Sea
2001: A Space Odyssey
La Voyage Dans la Lune
War of the Worlds (1953 version)