CBS's The Twilight Zone (1959-1964) remains a benchmark of serious telefantasy and one of the most iconic series in the history of American television. Barry Keith Grant carefully situates The Twilight Zone within the history of broadcast television and American culture, both of which were changing dramatically during the five seasons the series originally aired. At the same time, the genres of science fiction, horror, and fantasy were moving from marginal to mainstream, a cultural shift that The Twilight Zone was both part of and largely responsible for. Grant begins by considering The Twilight Zone's use of genre conventions and iconography to craft its pithy parables. The show shared visual shorthand that addressed both older audiences familiar with Hollywood movies but unfamiliar with fantasy and science fiction as well as younger audiences more attuned to these genres. Rod Serling looms large in the book as the main creative force of The Twilight Zone, and Grant explains how he