Revealing mistake: When the policemen are pursuing the Santa Claus gang in their Bigfoot, one of the police cars has 5 people in it. It falls in a pool and there are only 2 people, and if you watch closely, they are dummies. (00:37:30)
Revealing mistake: When the police cars passes through the broken home, look at the floor: it is actually gravel.
Suggested correction: Look closely: this is actually carpet.