premise: The Beverly Hillbillies had only one season.
hypothesis: The Beverly Hillbillies is an American sitcom originally broadcast on CBS for nine seasons , from September 26 , 1962 , to March 23 , 1971 . The Beverly Hillbillies ranked among the top 20 most-watched programs on television for eight of its nine seasons , twice ranking as the number one series of the year , with a number of episodes that remain among the most-watched television episodes in history . It accumulated seven Emmy nominations during its run .