Overview: Host: Gig Young Other guests: --Yma Sumac (singer) --The Mills Brothers (vocal group) --Buddy Hackett (comedian, whose appearance was postponed last week) --Dorothy Collins (singer) --Michael Bentine (British comedian, joins Gig Young in a sketch on British commuters) --The Andre Tahon puppets (in a parody of the Beatles) --The Berosinis (acrobats, teeterboard act from Czechoslovakia)