Guests: --Spanky and Our Gang - ""Lazy Day"" & ""Sunday Morning"" --Patti Page - sings ""Can't Take My Eyes Off Of You"" & recites ""Child's Christmas Prayer"" --Richard Pryor --Joel Grey (railroad song medley) --Stiller & Meara (comedy team) --Topo Gigio --David Frye (comedian) --The Kim Sisters - ""Thoroughly Modern Millie"" --The Berlin Mozart Choir (thirty singers perform)