Continuity: Jessica's ponytail when she confronts Dr. Feinstone in the doorway.
Continuity: Jody's lei vanishes/appears repeatedly as his mother carries him away.
Continuity: The clipboard on the side, by Jessica, vanishes and reappears.
Continuity: The position of the gray pantyhose on the floor keeps changing.
Continuity: When Dr. Feinstone leaves his home and goes to work the window of his car is closed. A few seconds later when he get out of the car the window is open.
Crew or equipment visible: When Detective Gibbs arrives the bedroom of Dr. Feinstone and Brooke and open this door you see a leg of a light stand.
Continuity: When Dr. Feinstone is gassing April Reign, the white gas tube in her mouth disappears / reappears a few times.
Continuity: The way Sarah holds the card changes a few times between shots, through the scene where Steve gives his card.
Continuity: As Dr. Feinstone chases Sarah around the dentistry, the position of Sarah's pin-on bib which she wears, continuously changes.
Continuity: When Brooke gives Dr. Feinstone the diamond cuff-links, and then when they kiss, a few times Dr. Feinstones yellow tie jumps over / under his collar.
Continuity: When Dr. Feinstone is struggling to get Sarah, and Mr. Goldblum starts to attack Feinstone, the position of Karen's head changes.
Continuity: When Brooke shows up after Dr. Feinstone's work, she enters the opera room. She is wearing a black shawl, which constantly changes position.
Crew or equipment visible: When the dog attacks Dr. Feinstone you see in the shadow the cameraman and a other crew member.
Crew or equipment visible: The light equipment can clearly be seen in Dr. Gibbs glasses a few times.
Continuity: When Dr. Feinstone was getting ready to do a filling on April, he placed a saliva ejector (small suction) in her mouth. It was there for several shots, then suddenly vanished.
Audio/visual unsynchronized: While starting to do a filling on April, Dr. Feinstone started up the handpiece (drill). The sound it made was that of a high speed handpiece, yet what he had in his hand was a slow speed handpiece.