I consider October to be "Halloween Month", and the prime month to watch scary movies all month long. We own over 700 movies, and half of them are films we categorize under Horror/Sci-Fi/Ghost/Thriller.
Below are my top 20 must-see Halloween month movie picks, not in any particular order. The clickable links in the first group will take you to reviews I've written; the links in the second group will take you to the IMDB page for each film:
Westworld (1973)
When A Stranger Calls (1979)
Whatever Happened To Baby Jane (1962)
Trilogy of Terror (1975)
Psycho (1960)
The Haunting (1963)
Mr. Sardonicus (1961)
The People Under The Stairs (1999)
Trick 'R Treat (2008)
The Evil Dead (1981)
The Exorcist (1973)
Halloween (1978)
Ghost Story (1981)
Phantasm (1979)
Alien (1979)
Frailty (2001)
The Grudge (2004)
Rosemary's Baby (1968)
Night Of The Living Dead (1968)
The Picture Of Dorian Gray (1945)
