Rewatching Star Trek: The Next Generation after a 20-year break. The unpredictable entity Q introduces the Enterprise to the Borg, a collective of hybrid biological and technological drones. We learn that Q and Guinan have some unspecified backstory that, based on their hand gestures, seems to involve a community theater production of Cats. In this episode, Q is to Picard as the The Great Gazoo is to Fred Flintstone. (Popping…