For many, this deliberate departure from traditional star trekking was the show's greatest strength, and the show's fans feel that DS9's ability to delve into dark territory only made it richer and more complex. The premise of the show was unusually intense for "Star Trek." The distant planet of Bajor had, for several decades, been occupied by the murderous, Nazi-like Cardassians. The Bajorans, thanks to their resistance efforts, had finally liberated themselves, but their planet's government was in shambles. In order to oversee Bajor's reconstruction, a nearby Cardassian space station was handed over the Federation, and was staffed by multiple...