I carry cash. The government and the bank do not need to know what I'm spending my money on.

Boring? Space travel is slow. 3 days to the moon. Kubrick got that right. The ballet between the PanAm clipper and the space station (why don't they design them that way in reality?) to the accompaniment of the Blue Danube waltz is one of the most beautiful and graceful scenes ever shot (albeit long, slow, and boring).

Absolutely. The Day the Earth Stood Still (original version) is a well-told cautionary tale for a cold war audience that resonates today. And no need for bloodshed and explosions. Runners-up: Forbidden Planet, 2001, DarkStar, The Martian, and Interstellar