No airdate for Season 0
Season 1 of Father Knows Best premiered on Oct 03, 1954
Season 2 of Father Knows Best premiered on Aug 31, 1955
Season 3 of Father Knows Best premiered on Sep 12, 1956
Season 4 of Father Knows Best premiered on Sep 25, 1957
Season 5 of Father Knows Best premiered on Sep 15, 1958
Season 6 of Father Knows Best premiered on Oct 05, 1959