The Andy Williams Show
The series, The Andy Williams Show won three Emmy Awards for outstanding variety program. Among his series regulars were The Osmond Brothers. He gave up the variety show in 1971 while it was still popular and retrenched to three per year. His Christmas specials, which appeared regularly until 1974 and intermittently from 1982 into the 1990s, were among the most popular of the genre. Andy's specials were famous because it featured his three brothers; Bob,Don,and Dick whom he sang with in the early part of his career. It also featured his wife,Claudine and their three children Noelle, Christian, and Bobby. Andy Williams has recorded eight Christmas albums over the years and has been penned as Mr. Christmas - an obvious rival for Bing Crosby.
Here is the opening to the 1966 show.