A nine-hour Christmas special was aired on Christmas Day of 1956 with, among other features, an all-puppet version of Charles Dickens' "A Christmas Carol". "Wonderama" also presented lengthy Christmas specials on Christmas Day of 1957 and 1959.
Michael McKean and David L. Lander once guested as their "Lenny and Squiggy" characters from Laverne & Shirley (1976). They performed "The Creature Without A Head."