Now, before we get into the various whats and wheres of how you can watch 'The Exorcist' right now, here are some specifics about the Warner Brothers, Hoya Productions horror flick. Released 1973, 'The Exorcist' stars,,, The R movie has a runtime of about 2 hr 2 min, and received a score of 82 (out of 100) on Metacritic, which put together reviews from 20 top critics. Want to know what the movie's about? Here's the plot: 'One of the most profitable horror movies ever made, this tale of an exorcism is based loosely on actual events. When young Regan (Linda Blair) starts acting odd -- levitating, speaking in tongues -- her worried mother (Ellen Burstyn) seeks medical help, only to hit a dead end. A local priest (Jason Miller), however, thinks the girl may be seized by the devil.