Continuity: When the coroner is inspecting Jason's body he is wearing a watch on his left wrist. While he is eating the heart the watch disappears but returns after he is possessed.

Continuity: The position of Edna's headscarf changes between shots before her head is slammed in the car door.

Revealing: When Edna's head is slammed in the door, it is completely bloodless and her head appears to bounce back to normal shape.

Continuity: When Agent Marcus arrives at the Crystal Lake cabin at the start, the sun is low, but the sky is still bright. In the next shot as she goes into the house, the sky is pitch black.

Continuity: In the police station, Jessica gives a rubber duck to Stephanie in one shot, but in the next shot it has gone. It returns in the following shot.

Continuity: The pole that impales Deborah moves from going though her chest just below her boobs, to much lower down, in her waist between shots.

Continuity: When Deborah returns back to the tent, it pans across to show the dead body of Alexis propped up against a tree. In a following shot from the point of view of Phil, who is possessed by Jason, watching the tent from beind some leaves, you can see they body of Alexis has now gone.

Continuity: The white sweater, tee-shirt etc., that Agent Marcus throws in a heap beside the sink change position from when she runs the bath, to when the lights go out.

Continuity: Dirt and grass disappears from the back of steven's sweater, just before Jason throws him.

Continuity: When Jessica stabs Jason, black blood squirts over his hockey mask, but in the next shot it has gone.

Continuity: After Jessica stabs Jason he throws her off and she falls backwards, but in the next shot she is turned around and flying face forward.

Continuity: The blood vanishes from the pole which goes through Duke's leg.

Continuity: When Jessica arrives at the Voorhees house, her neck is clean, but when she enters the room with Duke in it, she has a black handprint on the side of her neck.

Revealing: At the end of the film when Freddy's arm bursts out of the ground and grabs Jason's hockey mask, you can see none of his skin is burnt, like it should be, and also they metal blades on his glove clearly bend like plastic.

Revealing: After Steven cuts possessed Roberts throat with a machete, you can see that the machete is completely free of blood.

Continuity: The note that Jessica found in Stephanie’s crib changes. When she finds it, it reads “I have what you want…” and is written in blue ballpoint pen. But when Steven finds the note later, it reads “I have your baby…” and is now written in thick, black permanent marker.

Revealing: After Vicki has been killed, Jessica mourns by her body. She then proceeds to stroke Vicki’s hair and face. Well, Vicki dies with her eyes wide open. However, as Jessica strokes her face, Vicki closes her eyes. Her eyes then remain closed for all the following shots of her.

Visible crew/equipment: When Pookie shoots at Robert, who is possessed as Jason, in one side shot you can see Pookie is wearing safety goggles. In all the other shots he has nothing around his eyes.

Continuity: When Steven jumps upwards, and out of his handcuffs, he knocks out the policeman who was walking with him. As the policeman falls to the floor, his hat falls off. However in the next shot the unconscious policeman is lying on the floor with his hat back on his head.

Continuity: When Vicki is cleaning the bloodstain from the carpet, Jessica enters the room and they talk. Between shots the yellow rubber gloves and the small sponges which sit on the bloodstained carpet change position.