It was hosted by Art Fleming from 1964 to 1975 and from 1978 to 1979 . It first ran in the daytime on NBC from March 30 , 1964 until January 3 , 1975 ; concurrently ran in a weekly syndicated version from September 9 , 1974 to September 5 , 1975 ; and later ran in a revival from October 2 , 1978 to March 2 , 1979 . All of these versions were hosted by Art Fleming .