The Seventh Victim (1943) Val Lewton's creepy classic lays the groundwork for Rosemary Baby's urban satanism, throwing in a healthy does of noir for good measure. TIL: Satan, ass that he is, loves to prey on those suffering from the wounds of sadness and loneliness.
Your daily dose of culture courtesy of Bad Georgia Road (1977) - "Start being brave about everything. Drive out darkness and spread light." - St. Catherine of Siena