For example, a film which is set during the Christmas period which isn't specifically about Christmas. It can mention it and they can be shown celebrating it, but it's not really relevant to the story.

Gremlins.

Home Alone

It's A Wonderful Life

Bridget Jones Diary....partially anyway - I recall that scene where Colin Firth had to wear that godawful jumper

Die Hard and Die Hard 2: Die Harder

scrooged

We're No Angels

mupet christmas carol

The Hudsucker Proxy

santa clause - the movie

Rent.

the nightmare before christmas

Bell Book And Candle

The Santa Clause 3: The Escape Clause (

Eyes Wide Shut

miricale on 34th street

Lethal Weapon

rocky IV

Trading Places