Grammy Awards performer Katy Perry

Sunday's ratings summary:

7 pm/ET
Katie Couric's 60 Minutes sit-down with US Airways pilot "Sully" dominated the hour with 16.8 million total viewers.

8 pm
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.

9 pm
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.

10 pm
Brothers & Sisters scored second with 9.34 million viewers, up 400K.