No airdate for Season 0
Season 1 of The Many Loves of Dobie Gillis premiered on Sep 29, 1959
Season 2 of The Many Loves of Dobie Gillis premiered on Sep 27, 1960
Season 3 of The Many Loves of Dobie Gillis premiered on Oct 10, 1961
Season 4 of The Many Loves of Dobie Gillis premiered on Sep 26, 1962