Whenever Steven Spielberg looks to the skies and ponders whether intelligent life is lurking out there in the cosmos, we tend to get a cinematic classic. "Close Encounters of the Third Kind" and "E.T.

The episode begins with a cold open, in which aliens called Malcorians have discovered that Riker (Jonathan Frakes) was living among them, surgically disguised as a Malcorian. What makes this episode ...