Before even seeing District 9, we had a feeling there’d be at least a hint of human-alien sex, because science fiction, smart or dumb, has always had a fascination with the idea of inter-species love. And while bestiality may still be a taboo subject for Hollywood, the movies are always okay with the interplanetary variety, probably because it’s (usually) more consensual.

The aliens in District 9 are not sexy, though (not to us, anyway). They look like, and are derogatorily called, Prawns. So there are no apparent romances between these creatures and humans. But there is a reference to Nigerian prostitutes selling sex to the prawns, and there’s also sort of a depiction of a man and a prawn going at it “doggy style.”

While human-alien sex is commonly found in outer-space tales, such as Star Trek, we decided to look primarily at examples of visitors to Earth getting it on with the locals, similar to international sexcations that occur in the real world. Of course, because we’re not too familiar with sci-fi porn, there are likely a few good sex scenes we’ve left out. Feel free to tell us about them (if you’re not embarrassed) in the comments section.
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