How A Series Gets On Network TV

“The practice of the pilot season-upfront-fall premiere cycle dates back to the early 1960s, when networks took over production of TV series from advertisers following the quiz-show scandals of the 1950s. The networks started selling ad time rather than advertisers producing single-sponsor shows. Unless things change again — always possible in the current, fast-changing media environment — it’s the cycle the industry is stuck with.”