HALLOWEEN HORRORS: We kick off the Halloween season with Rosemary’s Baby (1968-137 min.), in which pregnant Mia Farrow begins to suspect that husband John Cassavetes has made a pact with the devil. Ruth Gordon, Sidney Blackmer, Maurice Evans and Ralph Bellamy also star in writer/director Roman Polanski and producer William Castle’s harrowing adaptation of Ira Levin’s novel. 7:30 p.m.