Kaif Balls are soft spongy balls filled with Tencto-Nip and when rubbed together release a pleasant aroma/fragrance. This creates an endorphin type experience for the Newcomers.
Based on the expense to produce this show and that FOX was a struggling new network; Alien Nation was cancelled, even though it was doing fairly well in the ratings.
Named Newcomers in this Episode:
Sikes: I'm just like every kid in America. We all want to be astronauts. "To boldly go where no man has gone before."
The quoted line is a reference to Star Trek, which has used that phrase in more than one version of the show.