This episode of Novum examines the fear that our species will suddenly, at a moment’s notice, retrogress. Is it possible that our civilization is no more than a convincing facade? What if a barbarous, animal nature lies just below? In the wake of Donald Trump’s elections, this fear seems especially pronounced. We’ll examine a few examples of this idea from the classic SF novel “The Island of Doctor Moreau” to the 2016 movie Zootopia. Or is it Zootropolis? I really don’t know what to call this film.