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Continuity mistake: When the nanny notices that the knife is missing, right before Barb starts kissing her, the knives on the rack change when it cuts back to a closeup. Noticeably, the butcher knife from the first shot has been replaced with a much smaller standard carving knife. One of the other knives has also rotated about 20 degrees.

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Continuity mistake: When the babysitter is helping the little girl find Chucky, at one point, she puts a piece of luggage on the bed and opens it up. The paper luggage tag on the bag confusingly keeps moving back and forth between the handle of the bag and the zipper, depending on the shot.

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Continuity mistake: When the family is watching old home movies and Barb complains, "It's called 'baby-fat'!", Nica's mouth goes from closed to open between cuts, and her hand goes from being on her face to off between the same cut.

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Continuity mistake: When the officer tries to talk to Father Frank at the crash site, he goes from standing to leaning forward towards Frank between cuts.

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Continuity mistake: If you look closely during the dinner scene, during the first overhead shot when the camera is rotating above the table, you can just barely tell that all the candles were burned down. They are taller through the rest of the scene. That shot was filmed last, by which point all the candles had considerably shrunk. (Confirmed in Blu-Ray commentary.)

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Continuity mistake: When Nica gets into an argument with Barb about selling the house, when Nica tosses the pamphlet on the table, the way she's holding it changes instantly between cuts.

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Continuity mistake: When Barb shows Nica the pamphlet for the assisted living centre, after Nica says "What is this?", the way Barb is holding her hands on her knees changes instantly between cuts. The teacup in front of Barb also rotates slightly between cuts.

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Continuity mistake: Sarah's mouth goes from open to closed to open again between cuts after she takes Chucky out of the box, and Chucky says, "Hi, I'm Chucky! Wanna play?"

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Continuity mistake: When Sarah pulls Chucky out of the box, the amount of packing peanuts stuck to Chucky's head/hair changes between cuts.

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Continuity mistake: When Nica's mother shuts the door after the package arrives, she rotates about 45 degrees towards Nica between cuts.

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Continuity mistake: When the delivery man hands Nica the gizmo, the sign for the package, it rotates 180 degrees between shots. (You can really tell from the direction the antenna is pointing.)

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Continuity mistake: When Nica opens the door for the delivery man, she's still opening it, but then the shot cuts and she's no longer opening it and is instead rolling forward towards the driver in her wheelchair.

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Continuity mistake: In the previous films, the Good Guy dolls always say "Hidey-Ho!" before their trademark "Ha-ha-ha!". For some reason, this movie omits that.

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Continuity mistake: After Glen kills Chucky and begins crying, the blood spatter on his face changes slightly between cuts.

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Continuity mistake: Before Tiffany kills Redman, he has a plate loaded with food. We then see him take a few bites in close-up as the camera circles around him, and then it cuts to his plate, and it's now essentially empty. The bites he's taking are not big enough to totally empty his plate in the time seen.

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Continuity mistake: When Redman hears Tiffany running behind him and turns around, he places his fork down on his plate twice between cuts.

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Continuity mistake: When Jennifer asks Joan to bring her a bottle of champagne, Jennifer's eyes go from wide open to partially closed between cuts.

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Continuity mistake: When Joan is writing fake fan-letters to Jennifer, the letter she is writing changes between cuts (notice where it says "Sincerely, " which is completely different between the two close-ups). She also goes from not writing to writing between cuts.

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Continuity mistake: When Chucky, Tiffany, and Glen are talking in the back of Jennifer's limo, when Tiffany tells Glen not to "worry about it" because "I've got that figured out too!", her right hand goes from up by her face to down by her side between cuts.

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Continuity mistake: When Jennifer is auditioning for Redman, when Redman says he's going to go with his first choice, Jennifer's hand goes from up under her chin to down by her side between cuts.

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