Session 9 is a 2001 American psychological horror film directed by Brad Anderson, written by Anderson and Stephen Gevedon, and starring David Caruso, Peter Mullan, Brendan Sexton III, Josh Lucas, and Gevedon. The film follows an asbestos abatement crew who take a clean-up job at the abandoned Danvers State Psychiatric Hospital amid an intense work schedule, growing tensions, and mysterious events occurring around them. Its title refers to a series of audio-taped psychiatric sessions with a former asylum patient, Mary Hobbes, that run parallel to the crew's experiences.