Re: Top 27 best movies - ever
My fav sci fi will always be Brazil.
Hmm. Maybe the best in the Dystopia subgenre but if I was going for a best I'd want a hard SF movie to represent the genre.
And the winner is:
2001
Some other very good choices:
Metropolis
Blade Runner
Five Million Years to Earth (TV serial is better)
Forbidden Planet
The Martian (best pure hard SF movie ever made)
Gravity (the best before that)
The Andromeda Strain (the best before that)
Twelve Monkeys and La Jetee
This Island Earth
Alien
The Thing from Another World
Dark City
The Day the Earth Stood Still
Stalker
Solaris (1972)
The Fifth Element
Buckaroo Banzai
Some brilliant movies but I'd avoid because not quite SF-y enough:
Brazil
Star Wars, Close Encounters, Akira (fantasy)
Terminator (action movie with SF elements)
Inception (caper movie with SF elements)
Dark Star (farce in space)