"Nightmares" is as much of a social and political history lesson as it is a documentary of the origins of Horror films. I was taken back at how extensively and intelligently this film covered my favorite genre of film. There is a constant link made between the different subcategories of horror that have emerged over the years and the different social and political ties that drive them. "Nightmares" ended up being far more philosophical in its approach to the reasons why our society craves horror and violence on film. This is the closest I've ever seen to a "Ken Burns" history lesson on Horror Movies. I not only loved it, I learned something.