NBC Sunday Night Football‘s season-ending match-up between the Bengals and Steelers drew 18.4 million total viewers and a 5.8 demo rating, up 16 and 12 percent versus last week’s preliminary numbers. Elsewhere…. * Pending adjustments due to NFL overrun, CBS’ controversial Undercover Boss (with very roughly 9.4 million viewers and a 1.7 rating), The Mentalist (~8.1 mil/1.4) and […]