MGM Records issued a soundtrack album from the special in 1970, pressed in limited quantities as a promotional tool for radio station disc jockeys, all with an orange and black promo sticker on the back cover. The score has since been re-issued on CD, but the vinyl remains one of the rarest and most prized Christmas collectibles of all time.
Mickey Rooney would later reprise his role of Santa Claus in two other Rankin-Bass specials: The Year Without a Santa Claus (1974) and Rudolph and Frosty's Christmas in July (1979), and the sequel to 'Year without a Santa Claus,' A Miser Brothers' Christmas (2008).
The doctor that treats the Burgermeister after he trips on the toy, and the father of the family that has their toys left in stockings are the same puppet, complete with diamond-shaped eyeglasses. The drawing of the king in Tante Kringle's book is based on the same model.
During the song "Put One Foot in Front of the Other" when the Winter Warlock begins to take his steps, the song switches to a 7/4 time signature. This creates an 'aksak" or " limping" effect, which reflects how the Warlock is struggling to move forward.