I'm sure this has been done to death, but I honestly tried to search. A friend and I are pretty hammered and going over this. Freddy went off the rails quick, while Jason mainly did his thing but got boring. The Friday movies became WAY too formulaic while the Nightmare movies are probably guilty of jumping the shark way too quickly. Not adding the likes of Michael or Leatherface because they were prior to these two. While Michael had a swries throughout the 80's. No one should argue that both of these franchises were a response to Halloween