The ones I've seen are bolded.
The ones I've tried to watch but just never gotten through are also in italics
The Adventures of Buckaroo Banzai Across the 8th Dimension!
Back to the Future
Bride of Frankenstein
Brother From Another Planet
A Clockwork Orange
Close Encounters of the Third Kind
The Damned ... I can't find this movie in IMDB. If they mean "Village of the Damned" then yes, I've seen it.
The Day The Earth Stood Still
Escape From New York
ET: The Extraterrestrial
Flash Gordon: Space Soldiers serial
The Fly (1985 version) .... He's nuts. The original was much more influential.
Ghost in the Shell
Invasion of the Body Snatchers
Mad Max 2/The Road Warrior
On the Beach
Planet of the Apes (1968 version)
Solaris (1972 version)
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
Terminator 2: Judgment Day
The Thing From Another World
Things To Come
28 Days Later
20,000 Leagues Under the Sea
2001: A Space Odyssey
La Voyage Dans la Lune
War of the Worlds (1953 version)