Password

Password was an American television game show. The show was hosted by Allen Ludden and was created by Bob Stewart for Goodson-Todman Productions.

Password originally aired for 1,555 telecasts from October 2, 1961 to September 15, 1967 on CBS daytime, along with two primetime runs from January 2, 1962 to September 9, 1965 and December 25, 1966 to May 22, 1967. An additional 1,099 daytime shows aired from April 5, 1971 to June 27, 1975 on ABC. The show's announcers were Jack Clark and Lee Vines on CBS, and John Harlan on ABC.
From: Wikipedia.org