10 Movie Scenes That Brilliantly Subverted Expectations

10. GERTY Isn't Evil - Moon

Duncan Jones' Moon is one of the greatest and most frustratingly unsung sci-fi films of the last 15 years, revolving around an astronaut, Sam Bell (Sam Rockwell), who spends three years mining alternative fuels on the Moon, accompanied only by a mannered artificial intelligence, GERTY (Kevin Spacey), which assists him in his mission.

But sci-fi being what it is, we're of course trained to expect GERTY to go in the unhinged tradition of his older sibling HAL 9000 from 2001: Space Odyssey and turn villainous, probably to a murderous end.

Yet the entire film passes without GERTY ever turning on Sam, and in fact, he assists him all the way to the end without protest. 

We keep waiting for GERTY to turn on Sam and puts the benefits of his employer Lunar Industries first, but it never happens - he's programmed to help Sam and evidently does that job far better than the company surely expected.