Forbidden Planet (1956)
Robinson Crusoe on Mars (1964)
The War of the Worlds (1953)
Contact (1997)
Back To The Future (1995)
Logan's Run (1976)
Soylent Green (1973)
Solaris (1972)
The Day the Earth Stood Still (1951)
The Andromeda Strain (1971)
Tron (1982)
ET (1982)
Fantastic Voyage (1966)
Planet of the Apes (1968)
Apollo 13 (1995)
20,000 Leagues Under The Sea (1954)
Armageddon (1998)
The Omega Man (1971)
The Quiet Earth (1985)
WarGames (1983)
When Worlds Collide (1951)
Independence Day (1996)
Earth vs. The Flying Saucers (1956)
The Thing from Another World (1951) -- "Keep watching the skies!"
Invaders from Mars (1953)
Invasion of the Body Snatchers (1956)
Rocketship X-M (1950); Osa Massen wow!
The Brain from Planet Arous (1957)
Finally two of the very best Disney comedies:
The Abscent-Minded Professor (1961); "Hey Neptune, why don't you just submerge!"
Son of Flubber (1963)