Continuity mistake: When the police are driving Blair and her boyfriend, it is snowing. In the shot from inside the police car the windshield wipers are on . The very next shot shows the police car driving down the street and the windshield is clear and the wipers are off.
Continuity mistake: When the scouts are trying to sell a Christmas tree to Luther and Nora, there is a wreath on the front door. They can't make the sale and go to their truck parked across the street. They tell some neighbors that the Kranks would not buy a tree. As they all look across the street at the house, the wreath has vanished. When Luther leaves for work the next morning, the wreath has returned.
Continuity mistake: When Nora is driving down the road with Fromeyer at her window, he sticks his hands on the glass. Nora raises the window "catching his fingers". When looking through the windshield, you can see that the window is 3/4 of the way up, but when it cuts to the outside, it is just under the edge.Karoo
Continuity mistake: When the carolers are outside singing, Luther and Nora are inside hiding. When they cut to Nora, you can see out of the window- there's nothing there. When she leans back up from getting her yarn, the head caroler is there with some others behind her. In the next shot, they are back in place in the choir. Even if they were right outside the window in the first place, there is no way they could reposition themselves that fast.Karoo
Continuity mistake: Just after treading on the neighbours' cat he is talking to them and the woman power walking seems to be going nowhere, as she is in the same spot twice.
Continuity mistake: The Christmas wreath on the front door of the Kranks' house appears and disappears throughout the movie, independently of Tim Allen removing and replacing it as part of the plot. In most shots from across the street the wreath is missing. On closeups that include the front door in the shot, the wreath is present.