Possessed (2000)

In the heart of 1950s St. Louis, a chilling tale unravels as an eleven-year-old boy, Robbie Mannheim, becomes the subject of inexplicable phenomena and unsettling changes. Exhibiting alarming signs such as sudden temper tantrums, aggressive attacks on people, and an emerging propensity for obscenities, Robbie's transformation takes a darker turn when objects begin to move in his presence, a power he cannot recall wielding. Robbie's parents, initially seeking answers in modern science, find no relief in its cold rationale. Their desperation intensifies after the death of Robbie's Aunt Hanna, a pivotal event that seems to have catalyzed the boy's eerie transformation. When the baffling mysteries of their son's condition defy the realm of the tangible, they turn towards the spiritual, seeking solace in the Catholic Church's ancient rites. Enter Father William Bowdern, a war-torn World War II veteran turned Catholic priest. Plagued by his own demons - the harrowing nightmares of war, the relentless grip of alcoholism, and the ghostly remnants of his past - Bowdern finds himself chosen for a mission that transcends his earthly battles. With a reluctant nod from the Vatican, he is recruited to perform the first documented exorcism on American soil. A daunting task awaits Bowdern as the malevolent entity possessing Robbie wields alarming power, using the priest's deepest fears and insecurities against him in a sinister game of spiritual warfare. This real-life account chronicles Bowdern's struggle to confront not only the entity haunting Robbie but also his own haunted past. Can Father Bowdern, a man wrestling with his own inner turmoil, cast out the dark adversary to save not only Robbie's life but also his very soul? As the last known exorcism sanctioned by the Catholic Church unfolds, the lines between faith, fear, and the fight for a boy's soul blur in a riveting narrative of salvation and strength.

Possessed is a horror movie featuring Timothy Dalton.

Possessed is currently streaming for free (ad-supported) on Plex, Plex Player and Runtime and it's also available on Amazon Prime Video.

It is also possible to buy Possessed on Amazon Video.