Continuity mistake: When Nancy tackles Freddy on her bed, the alarm clock on her bedside table is away from the edge of the desk. Yet in the shot when Freddy and Nancy roll off the side of the bed, the alarm clock on the bedside table has noticeably moved right to the edge so that Nancy can grab it as she falls. (00:40:05)Hamster
Continuity mistake: After her mother leaves, Nancy rests in the bathtub, putting a cloth on her face and leaving her left hand by her left ear. In the following shot her left hand is in the middle of the tub. (00:32:55)
Continuity mistake: Eventually Nancy goes to sleep in her short-sleeved gown. But when she sets the alarm to her wristwatch, she's wearing a long-sleeve sweater. (01:14:40)
Continuity mistake: When Glen sneaks into Nancy's room, she has him turn off the lights and it is pretty dark in her room. When she wakes up to her alarm, it is still night outside but now it is a lot brighter in the room.
Continuity mistake: When Nancy is walking to school, Tina's boyfriend grabs her and he is not wearing a T-Shirt, only his black leather jacket. When she visits him in jail he is wearing a white T-shirt and the leather jacket. When you get arrested they don't let you have a jacket.