The painting hanging in Santa Claus' bedroom is the same one that is put up in the town hall at the end of Santa Claus Is Comin' to Town (1970).
During the "Snow Right Here In Dixie" song, a Charles Chaplin figurine appears as a Southtown resident.
The appearances of Snow Miser and Heat Miser were based on those of their voice actors, Dick Shawn and George S. Irving.
This is the 2nd Rankin/Bass Christmas special where Mickey Rooney voiced Santa Claus, the first being Santa Claus Is Comin' to Town (1970).