The Folger's commercial when Peter comes home.. lol..that signals Christmas to me
Going out to choose holiday cards for friends and family
Finding the perfect Christmas dress for my daughter
Explaining that Christmas is a birthday party for Jesus and that everyone gets presents (I explained this to her last night and she looked like this

, lol)
Playing my John Denver and the Muppets record (now CD) to hear "Little Saint Nick" by Dr. Teeth and the Electric Mayhem, lol
Smelling live Pine tree.
Watching my mom decorate (she doesn't let anyone help her, lol)
Watching my daughter get so excited as it gets closer and closer to Dec. 25
Her excitement at having 2 Christmases; one with me, one with her Daddy
Hot cocoa in front of a roaring fire
Getting Christmas cards in the mail
Answering the phone, "Merry Christmas" on Dec. 23 thru 25th.
eta: How did I forget the Charlie Brown Special?!!

I love Linus' story of Jesus' birth and when the kids are all dancing...