Created by Jeremy Slater. With Alfonso Herrera, Ben Daniels, Kurt Egyiawan, Hannah Kasulka. Follows three priests dealing with cases of a demonic presence targeting a family and a foster home, Watch Full Episodes | The Exorcist on FOX. Novelist William Peter Blatty based his best-seller on the last known Catholic-sanctioned exorcism in the United States. Blatty transformed the little boy in the 1949 incident into a little girl named Regan, played by 14-year-old Linda Blair. The latest Tweets from The Exorcist (@TheExorcistFOX). Official Twitter for #TheExorcist. Watch Fridays at 9/8c on FOX!. Anytime on-demand or FOX NOW, Watch full episodes of The Exorcist at FOX now! Opening an entirely new chapter in the iconic franchise, The Exorcist follows Father Tomas Ortega and Marcus Kane out of Chicago and on the road to search out evil. Watch Full Episodes | The Exorcist on FOX, OSCAR WINNER: Best Screenplay Adaptation Best Sound Nominated for ten Academy Awards, including "Best Picture," The Exorcist was controversial and extremely popular from the moment it opened in 1973..