Few terms are used as often in the literature on Star Trek as “utopian.” Be it fans or scholars discussing the franchise’s attraction, or Gene Roddenberry explaining his original vision for the series, the references to utopia abound. In the introduction to his Cultural History of Star Trek, M. Keith Booker is quite paradigmatic in claiming that TOS’s main appeal lies “in the characters and their relationships— and especially in the way these relationships modeled a utopian twenty- third century in which the social problems of the twentieth century had been solved” (2018, xiv). But although— or maybe because— Star Trek is routinely referred to as utopian, few authors care to explain what they actually mean by this. Most of the time, “utopi...