Rudolph, the Red-Nosed Reindeer(1964)
Sam the snowman tells us the story of a young red-nosed reindeer who, after being ousted from the reindeer games because of his beaming honker, teams up with Hermey, an elf who wants to be a dentist, and Yukon Cornelius, the prospector. They run into the Abominable Snowman and find a whole island of misfit toys. Rudoph vows to see if he can get Santa to help the toys, and he goes back to the North Pole on Christmas Eve. But Santa's sleigh is fogged in. But when Santa looks over Rudolph, he gets a very bright idea...
This promo for a 90s CBS airing of the movie was originally posted to YouTube by seanmc31076.
70's CBS TV Promo
This is an older TV spot for the special. I don't know what that noise at the end is, though.