

Dark Star

A group of scientists are sent on a mission to destroy unstable planets. Twenty years into their mission, they have to battle their alien mascot as well as a "sensitive" and intelligent bombing device that starts to question the meaning of its existence.
Great humour throughout the movie. Must be the best low-budget sci-fi I've ever seen. At some points it goes "deep" with the philosophical dialogues, and afterall you'll think about this movie in all-philosophical way.
I didn't expect much (as Carpenter's first movie), but after the first 5-10 minutes it started to work well.