April 6, 1967 –

The Star Trek episode The City on the Edge of Forever premiered on this date.
The episode was widely be considered controversial for a number of reasons, not the least is which is that the subtext of the storyline addresses issues surrounding the Vietnam-war movement, but the episode is most notable for using the the word “hell” for the first time on television in its parting line (delivered by Kirk), “Let’s get the hell out of here.”
