The Muppets are asked to mail letters to Santa for a group of children, including their friend Claire. When they arrive at the post office, they find the postal workers overwhelmed with Christmas packages. The Muppets decide to help, but when they are unable to mail the letter due to the chaos at the post office. The gang is forced to find an alternative way to get the precious letters to Santa at the North Pole. The Muppets run into a vast array of characters in a musical and action filled adventure as they attempt to save Christmas for the children of the neighborhood.
[Newsday.com: Review: A Muppets Christmas: Letters to Santa (December 17, 2008)]