Continuity mistake: During the opening credits, in some closeups of Kristen's hands, making the Papier-mâché house, you can see her with blue sleeves. However, her pyjama top is all-over pink. (00:01:20)
Continuity mistake: During the opening credits, Kristen is making a Papier-mâché house, and in the process, her hands become covered in mixture. However suddenly both her hands are completely clean. (00:02:10)
Revealing mistake: During the opening credits, when Kristen turns her clock around to check the time, you can clearly see that the second hand is not rotating, therefore the clock is not working. (00:02:30)
Continuity mistake: When Kristen is building her model house during the opening credits, the can of diet coke sitting on the desk rotates itself between shots to show more of the brand label. (00:03:10)
Continuity mistake: When Kristen's mom comes in and tells Kristen to go to bed, in the first shot Kristen's pillow lays flat on the bed. In the next shot it is propped up against the bedstead. (00:03:30)
Character mistake: The little girl asks Kristen "what's your name?" Kristen replies "Kirsten". (00:05:59)
Suggested correction: I hear her say "Kristen." The transcript and subtitle even say "Kristen."
Revealing mistake: When Kristen is running through the hallway with the girl in her arms you see that it is a doll. (00:07:00)
Continuity mistake: When Dr. Gordon is trying to sedate Kristen, between shots during the scene, a green cup on the floor, beside the cupboard, appears, disappears, reappears, etc. (00:11:05)
Continuity mistake: When Kristen is in the clinic, and is resisting the sedative, she throws some turquoise items across the room. However, between shots she actually throws these same items twice. (00:11:10)
Continuity mistake: Nancy has a grey streak in her hair from the first movie. However the streak is in the right side of her hair, when it was in her left side previously. The streak length changes throughout this film too. (00:11:50)
Revealing mistake: When Dr. Gordon is on his computer he is supposedly researching about Hypnocil, and acting as if he is searching and reading. Yet the information on the screen is clearly all written in word doc. (00:17:30)
Continuity mistake: When Kristen gets up from her bed, after the tricycle rolls into her room, she wears a shirt with no collar. But in the next shot as she walks out of the room, her shirt now has a collar. (00:18:20)
Continuity mistake: Kristen is laying in bed, when suddenly a tricycle rolls into the room. In the first shot the tricycle rolls up right beside the end of the bed. In the next shot it has moved away. (00:18:40)
Continuity mistake: When we first see the pig on the platter it has fruit surrounding it, and it has an apple in it's mouth. But when the pig roars at Kristen the fruit and apple have gone. (00:19:15)
Continuity mistake: When Kristen finds the pig on the platter you can see a champagne bottle standing right in front of the platter. Then as the camera pans around the room to Kristen, and you see the pig again, the champagne bottle is now laying down. (00:19:20)
Continuity mistake: When Nancy falls backwards into the chair, and enters Kristen's dream, there is nothing on the chair. When she appears back on the chair afterwards, there's two pillows on the chair. (00:21:05 - 00:21:45)
Continuity mistake: When Max turns off the lights, the switches are already down - he doesn't move them in any way (neither up nor down) and therefore hasn't made any actions that would alter the current lighting situation, however the lights turn themselves off anyway even though it is apparent the switches were not moved. Nobody else moved any lightswitches either. (00:25:50)
Continuity mistake: In the scene where Freddy turns into a puppet, he cuts his own strings with his knive fingers to get down and as he falls you can see some strings still attached to him, but when the shot changes and he lands on the floor, there are no longer any strings attached to him. (00:28:30)
Continuity mistake: When the group hypnosis fails, Neil tells everyone to take five. Joey gets up and walks over to the water cooler. In the next shot you can see Joey get up once again. (00:45:30)
Continuity mistake: When Kristen is resisting being taken to the isolation room, she holds onto the desk. On the desk beside her is a file box. In the next shot as she is dragged away, the box is gone. (00:58:00)