Exorcist II: The Heretic

Plot hole: Dr. Tuskin warns that if Regan were to remember the events of her possession it could be so traumatic for her it could lead to suicide, even though Regan's therapy seems to be based almost entirely on what she can remember about the events of her possession.

TonyPH

Factual error: In the hypnosis scene, when father Marrin is crossing himself, he is doing it the wrong way - from right to left. (00:20:40)

Lantis

More mistakes in Exorcist II: The Heretic

Father Lamont: Pazuzu, king of the evil spirits of the air, help me to find Kokumo.

More quotes from Exorcist II: The Heretic