Sunday's ratings summary:
Katie Couric's 60 Minutes sit-down with US Airways pilot "Sully" dominated the hour with 16.8 million total viewers.
CBS' broadcast of the Grammy Awards averaged 19.68 million viewers over its run, a 15 percent increase over last year's performance. Extreme Makeover placed second with 10.4 mil, dropping 10 percent.
Housewives trailed the Grammys, delivering 13.7 mil (up 690K from its last fresh episode). The NBC TV-movie XIII did less than half that, averaging 6.24 mil over its two-hour run.
Brothers & Sisters scored second with 9.34 million viewers, up 400K.