The first movie in the "Riddick" series, "Pitch Black," took place on a planet ruled by nocturnal carnivorous beasts. When the sequel, "The Chronicles of Riddick," came around, there were decidedly fewer monsters, much to the film's detriment -- the movie got lost in a sea of muddy mythology and giant sets.
Thankfully, with "Riddick," which hits theaters this weekend, the filmmakers have returned to the more familiar ground of man versus space monster. This was enough to get us thinking about our favorite terrifying intergalactic beasts of all time. Below, we count down the best of the things that go bump in the night in a galaxy far, far away.