my favorite is how the grinch stole christmas....i love the moral of the story even though he tried to steal christmas from the whoos they still had it in their hearts....
The Homecoming, Christmas Story, It's a Wonderful Life - I'm sure others I can't think of.
Favorite Christmas TV show - Two - both BBC "Good Neighbors" (Margo sends back 'Christmas' and can't replace it in time to celebrate) and "Vicar of Dibley" (the one where she is invited to 3 Christmas dinners and doesn't want to hurt anyone's feelings by backing out).