The ghosts of Christmas Past and Christmas Present. The first is a beautiful little girl spirit, and the second is an absentminded giant. "Come in and know me better."
The finale with all the muppets and Scrooge dining at Bob Cratchitt's house.
On the day I took my daughters to see this movie in 1992, I got into an accident when I hit another car coming out of the fog. Despite that, we had a great day, and we watch it every year.