Night of the Comet
Comet passes near earth and almost everyone dehydrates to dust or turns into zombies. It's a comedy.
Lathe of Heaven
Saw this on PBS way back when and then it never aired again because they used a Beatles song in it. It did eventually get released in dvd a couple of years back. It's about a guy who changes reallity with his dreams. I bet many here have read the book.
Sleepaway Camp 3
Girl keeps coming back to this camp and killing any "bad" people.
Lexx

About a big organic bug spaceship that can blow up planets manned by a crew of misfits that take on a whole universe.
The Adventures of Baron Munchausen
One of my favorites. I don't usually rewatch movies beyond some Christmas ones but this one is one of the few exceptions.