Here's mine ... there's some conventional choices I guess but mostly unconventional choices I think. Sorry ... no Star Wars, no E.T., no Close Encounters, no MIB, no Back to the Future ... all are obviously fine films and important in their own right. But they just don't make my list because any movie that gets that popular turns me off.
10. The Postman
I know critics hated this movie. But I love post-apocalyptic stories and as far as the movies made from such stories this is my favorite. It's a long movie. But at it's heart is the message that one person can make a difference. Kevin Costner's character starts out with the wrong motivation but grows to learn what is important. In a lot of ways it is a simple story and admittedly some of the dialogue is probably trite. But I can argue it's the best of it's genre and I had to include at least one post-apoc film.
9. Contact
For Carl ... when that simple dedication came on the screen at the end of this great film I broke into tears. What a wonderful fictional legacy he left to add to the science legacy that he shared through his Cosmos series and all his other work educating the public. Carl is/was one of the primary reasons I get excited about science. The movies does a great job of exploring very important questions for humanity. It should be shown to and examined by every 6th grade student in this country.
8. The Thirteenth Floor
This is the movie that the Wachowski Bros ripped off to make the Matrix trilogy. While I like the Matrix movies and think they were all well-executed, it would be bankrupt morally to choose them over this film which originated the concept. The Thirteenth Floor is a bit of a film-noir murder mystery thriller. Gretchen Mol is unforgettable as far as I'm concerned and the lead Craig Bierko's quietly intense performance was excellent. This movie does a far better job (IMO) of exploring the morality of virtual existence than the Matrix series and has great plot twists.
7. Terminator(s)
I give the whole series a nod here. The first movie was certainly groundbreaking in terms of concept but the 2nd was executed a million times better. I even liked the third one (probably because of the hot chick).
6. Blade Runner
Harrison Ford's finest performance. Coupled with what I'd call one of (if not THE) finest performances ever in a Sci-Fi movie by Rutger Hauer and it's can't miss; the definition of humanity is dramatically explored by Hauer with aplomb. Ridley Scott's visuals and effects are stunning. He is a lighting genius even if there are gross holes in the movie (mostly only obvious after multiple viewings). The supporting cast is terrific. I walked out of the theater awe-struck.
5. Alien
I'd include the whole series here but frankly the first movie was ground-breaking enough to stand in this place on it's own. It was a great date movie. My date was all over me and grabbing me throughout the film in the theater. Ridley Scott is one of my favorite directors.
4. The Fifth Element
Yes. 4th best Sci-Fi of all time. Two words is all it takes to say why ... Milla Jovovich. She isn't all I like about the film though. It is just a flat out entertainingly fun ride. It's filled with humor and doesn't take itself too seriously but at the same time has a coherent view of a future world that has it's foibles just as our present does. There are serious flaws in the science but they're all forgivable from my perspective.
3. Forbidden Planet
This movie set the standard for everything that followed. How can you beat monsters "from the Id"? You just can't ... well unless you put a series of short skirts on Anne Francis ... wowie! What gams that broad had! Seriously, Robbie the Robot rules! Walter Pidgeon as Dr. Morbius was genius and the "frame-by-frame hand-drawn" special effects/sets are top notch for the era.
2. Twelve Monkeys
Terry Gilliam is simply a genius director. This movies' story is very well-executed and deals with the always tricky time-travel issue exceedingly well. The cast is certainly the best all-time for a Sci-Fi movie with tour-de-force performances by two guys (Willis and Pitt) at the height of their acting abilities. And hey ... who doesn't love a "fated" love story.
1. 2001 - A Space Oddesey
This film is #1 because it was a quantum leap ahead in presentation. Obviously, the story itself is compelling and Arthur C. Clarke was a genius but Stanley Kubrick's delivery of the story was breathtaking. I saw this film in the theatre in 1970 as a 9 year old. I didn't understand it but was hooked on the genre because of the special effects and realism brought to the screen.
Other also-rans that I like but couldn't find reason to put them on this list ... (note here ... any movie with Zombies doesn't make my cut) ...
A.I. -- Great story. Made me cry. A bit too long though perhaps.
Minority Report -- Love the setting. Love the effects. Love the vision of the future. Hate the whole psychic BS part.
The Day the Earth Stood Still -- A remake would be nice. It's a little too innocent for me. The subject of first contact and a landing are great to explore. But the public anxiety that the filmmakers imagined would occur is exaggerated in my opinion.
The Andromeda Strain -- Came close to making my list. Really good movie. Very realistically presented. Remake soon on the Bravo network. I'll be watching.
Gattaca -- Great story about humanity's ability to overcome our shortcomings. Just not enough science in the fiction for me to include it. Great movie nonetheless.
Serenity -- Well made movie but having watched the TV show on which it's based leaves me in a bad spot to include it on the list. Watch the whole TV series.
Deep Impact -- A MILLION TIMES BETTER THAN Armageddon. Compelling story. Realistic (but arguably wrong) solution to the problem. Just don't ever watch Armageddon. Ever. It is a useless piece of crap compared to Deep Impact.
The Thing -- John Carpenters best movie ... including Halloween. Riveting in it's suspense.
Dune -- Made by the wrong director. Could have been a great movie.
Dark City -- Another pre-Matrix film about virtual reality. Well done.
The Abyss -- Really good film. Dumb ending though.
A Boy and His Dog -- Funny post-apocalyptic story. Ending had "good taste".
My definition of Crap ...
Armageddon -- Crappiest movie ever made.
The Black Hole -- Ick. Total Stupidity
Total Recall -- Mutant in some guys abdomen? Puhlease ... I like Phillip K. *** and all but gawd ...
Invasion of the Body Snatchers -- Sigh ... just crappy
Comic Book Movies -- Spiderman, Superman, Fantastic Four, X-Men etc ... all pure CRAPPOLA.
The Fly series -- something seriously wrong with David Cronenberg. Really. Dude is screwed in the head.
Event Horizon -- Are you kidding me? Satan comes back on a missing ship through some unexplained black hole?? Blargh ...
Sphere -- Anything with Dustin Hoffman sucks turds ...