New York City is experiencing a dramatic increase in paranormal activity, and Sigourney Weaver may have a demonic spirit living in her refrigerator. So who's she gonna call? This comedy blockbuster written by and starring Dan Aykroyd and Harold Ramis also stars Bill Murray as Dr. Peter Venkman, who along with his fellow parapsychologists tries to worn the mayor of the coming crisis. (“Dogs and cats, living together…mass hysteria!”) Directed by Ivan Reitman; Starring Bill Murray, Dan Aykroyd, Harold Ramis, Sigourney Weaver, Ernie Hudson, Rick Moranis, William Atherton, Annie Potts.