
This is not only my favorite Star Trek movie, it's one of my favorite movies of all time. I've said it before, but this is the only true science fiction story out of all of the movies, and the further we get away from 1979, the less and less Star Trek movies seem to be concerned with being sci-fi. The more recent entries on the series want to be action movies more than deal with any thinking (unless they're just poorly rehashing Star Trek 2).

Oh, and as long as we're on the subject, my preferred version is the original, which you can find in very high quality if you do a search for "Team Negative 1". It's a BIG file, but worth it IMHO.
As you might guess, the last movie that I'm going to talk about today is also science fiction and comes from the late 1970's, and that would be "The Black Hole". (And just typing the title has the John Barry score starting in my head.) This is much more of a "hard sci-fi" story, than Star Trek, but it still has it's fantastic elements (like being able to sit and watch a black hole). The major thing about the story is the ambiguous ending, which leads to more questions than answers and makes you think (there's that word again).
You can read more about my thoughts on this movie from my rediscovery of it 5 years ago.
There are a few more movies that I like to re-watch more often than others, like "Tora, Tora, Tora" and "A Night to Remember", but I don't feel the NEED to watch them like I do these three. I think it's telling that I have watched all three of these movies at least once since we moved to Florida in July.