Some cliche scenes that seems to appear in most Xmas Flicks in one way or another....

The Big Turkey Dinner - Duh! Of course you have to have the family dinner. It's what the entire movie is usually buidling toward or centered around, which leads to....

The Wacky Relative - Be it a distant cousin or a bullying brother, whoever the family member it turns out to be, he or she is usually the source of the comedic moments that always gets the main character into trouble, one way or another.