Stanley Kubrick's classic 2001: A Space Odyssey!
When a large black monolith is found beneath the surface of the moon, the reaction immediately is that it was intentionally buried. When the point of origin is confirmed as Jupiter, an expedition is sent in hopes of finding the source. When Dr. David Bowman discovers faults in the expeditionary space craft's communications system, he discovers more than he ever wanted to know.
Don't forget to run through Quidco for 10% back.