Continuity: In the canoe ride down the hill, the oar outside the left of the canoe makes the canoe turn right to avoid the tree. Scraping the group to the left would cause the canoe to turn left.

Audio problem: At one point Donna asks Charlie if he's okay and he says "I'm fine" but his lips are saying something else.

Revealing: When the canoe is speeding down the hill, there's one scene where you can see there's already a groove in the snow from where they did a previous take.

Continuity: When the boy enters the Christmas tree tent he encounters a "guard cat", which is alternately sitting and lying down each time the camera changes.

Continuity: After looking through the unclaimed luggage for something to pursue the children towards the hotel, the guards catch up too fast. In particular, the guard who jumped a hill in a tire, and ends up rolling, should never have passed them.

Continuity: When the father's Bio-diesel is about to blow up, the distance he is from the car varies from shot to shot by over 50 feet when it finally explodes.