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.
Trivia: When Frosty has just been smashed up and we see his head, the light in his eye goes out a bit like the terminators at the end of "Terminator 3" (2003).
Spike Frohmeyer: You're skipping Christmas! Isn't that against the law?