Fox smash Empire continues to defy ratings gravity in season two, the premiere episode putting up a 6.5 rating in adults 18-49 according to fast affiliate ratings. Airing at 9 p.m., Empire's season two debut featured a guest turn from Chris Rock as an unsmiling prison tough, and the continued machinations of the Lyon clan as they fight for control of their hip-hop empire. Michael Malone has the story.