Continuity mistake: When Buddy and Cindy are going to check out the music room and Buddy is telling her the story about high school, they are walking down a hallway, but when the view changes to the room with the bloody footprints they walk in from the lobby. (00:28:18)
Continuity mistake: When Buddy uncovers the painting of Kane's wife, the spider web pattern changes between the shots as he removes it. (00:29:15)
Continuity mistake: When Tori Spelling is lying in bed and the ghost pulls the sheet back and sees her ugly feet she doesn't have any socks on. As the ghost starts to have sex with her she has socks on. (00:30:30)
Continuity mistake: When Hugh looks at the calendar on the wall, the calendar disappears in the shot where Tori is going up the wall. (00:30:35)
Continuity mistake: When Kane pulls the blanket off Alex, the pillow and the way she lies on it change position between the shots. (00:30:35)
Revealing mistake: When the ghost starts having oral sex with Tori Spelling, you can see her tongue moving to make the cheek motions. (00:30:45)
Continuity mistake: When Tori Spelling is going up the wall having sex with the ghost, as she goes up you can see her hands down by the red headboard clutching it, but in the next shot they are raised above her head, then in the next shot they are down by the headboard again. (00:30:55)
Continuity mistake: When Brenda and Ray are in bed and Ray says "Let's do something freaky," we can see Brenda's hand on Ray's shoulder. When it cuts her hand is gone. (00:31:55)
Continuity mistake: Brenda's braids differ from hanging over/behind her shoulder, when she talks dirty to Ray. (00:32:00)
Continuity mistake: When Cindy is fighting the possessed cat, there's poop in the litter box, but the next time we see it the poop is gone. (00:33:00)
Continuity mistake: In the scene of the fight between Cindy and the cat, after it hurts Cindy, the scratches disappear. (00:33:00)
Continuity mistake: While Cindy is fighting with the cat, the size and position of the scratches in her chest are continually changing. (00:33:10)
Continuity mistake: When Cindy fights with the possessed cat, the cat picks up a chair, and as he does you can see the chair is a white colour. But when he smashes the chair over Cindy, the chair is brown. (00:33:30)
Continuity mistake: When Cindy is telling the Professor that she was attacked by a possessed cat, she points out the huge scratches on her neck and chest. The next moment she gets up and the scratches are completely gone. (00:34:15 - 00:36:40)
Continuity mistake: During the scene where the clown attacks Brandon under the bed, the pink pillow that's by the headboard when he was doing push-ups is now down in front of the other pillows when he gets dragged under the bed. (00:35:30)
Continuity mistake: In one shot the clown doll makes long scratch marks in the wood floor, by digging nis fingernails into it. In the side shot of the bed, when Ray says "Here's the little balloon animal," the scratches have vanished. (00:36:25)
Continuity mistake: When Cindy climbs on top of the professor she place her hand on the table beside the professor's head. When it cuts, her hand is on his chest. (00:37:45)
Continuity mistake: When Cindy sits on top of Oldman there is no shadow across her face. When it cuts to her saying "I think she's starting to suspect something" a large shadow has appeared. (00:37:55)
Continuity mistake: When Shorty is done watering the plant he puts the container down beside the plant. As the plant begin to grow the container is gone. (00:38:50)
Continuity mistake: Shorty has his plant by the window as it begins to grow bigger. When it cuts to Shorty turning on the TV you can see that the plant is no longer by the window. (00:39:10)
Answer: I want to know this so badly as well and can't find it. The Graduation Song is not right.