Paramount wanted to launch a fourth network with the new Star Trek series Phase II as its flagship. When the network proved unworkable, Phase II appeared doomed - until Star Wars and Close Encounters of the Third Kind proved box office hits. Phase II became the 1979 blockbuster Star Trek: The Motion Picture.

Kirk, Spock, Picard, Data - the list of great Trek characters is incomplete without the Enterprise, Starfleet's flagship vessel. But Enterprise isn't alone - there's a whole list of Federation vessels that aren't appreciated enough. This episode ensures they are.