Premise: Fox cartoons refers to animated television series presented by the American TV network Fox Broadcasting Company. During the more than thirty-year existence of the Network, there have been many successful prime time animated series and Fox cartoons. The first and most famous of these, "The Simpsons", was the first such series since the end of "The Flintstones" in the 1960s.
Hypothesis: The Simpsons began in the 1960s.