Continuity mistake: When they are sitting down for dinner, the housekeeper pinches Ray's cheek and leaves mashed potatoes on his face. As the scene goes on, you can see the potatoes on his face one minute and the next his face is clean. (00:23:05)
Continuity mistake: The purple grapes around the turkey platter disappear then reappear. (00:23:25)
Continuity mistake: When Hanson picks up the turkey and puts it on his hand, there is nothing under the wing of it. Then a rosemary sprig appears under the wing. It then falls out in a wideshot, yet it's back in the following closeup and then finally disappears in the next shot. (00:23:35)
Continuity mistake: When the butler is serving up the turkey, he holds up a plate full of what looks like turkey, salad and mash. When he puts it on the table, the plate just has turkey on it. (00:24:10)
Continuity mistake: In the scene of the dinner, Hanson cuts the turkey, but in a scene when Dwight is speaking, the turkey is perfectly OK. (00:24:35)
Continuity mistake: After Hanson ruins the pie, as Shorty gets up, the napkin in the table in front of him changes from neatly folded on his plate to screwed up in a big ball. (00:25:15)
Continuity mistake: If you watch closely during the dinner scene, as all of them get up you see Tori Spelling stand up. A second later you see her stand up again and throw her napkin down. (00:25:15)
Continuity mistake: When Buddy chucks a rugby ball at Cindy, Cindy falls into a table, then crashes to the floor. Then Buddy runs to Cindy and picks up his rugby ball which is laying beside her. But the ball wasn't there in the previous shot of her on the floor. (00:27:15)
Continuity mistake: When Buddy chucks his rugby ball at Cindy, it hits her in the head, and she crashes into a table, smashing the table and vases up. In the next shot of her, the table and vases are much more smashed, and everything is in a much different position. (00:27:20)
Continuity mistake: After Cindy and Buddy decide to be friends and talk about 'stuff', Buddy starts talking about this Spanish girl doing some nasty stuff with him. At this point, the shot cuts and if you look at the floor you can see they are suddenly in a different part of the house. (00:28:15)
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)
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)
Answer: I want to know this so badly as well and can't find it. The Graduation Song is not right.