The worst part of being a ghost, the bedsheet variety, is that there are absolutely
no takers for that brand of horror. Gone are the days when you could scare the
heebie jeebies out of your kid brother by powdering your face white, draping a
sheet and shining a torch across your jaws-esque mouth. Nope, no such luck. The
only things that might spook him a bit are those slimy, yucky, 'haven't had a
shower since a gazillion years' looking aliens. It's the most '90s thing, the
whole alien phenomenon.
Now alien movies can be categorized into 2 genres: