Nielsen ratings

Prime-time viewership, in millions, compiled by the Nielsen Co. for the week ending May 5.

1. "NCIS," CBS, 18.29

2. "The Big Bang Theory," CBS, 16.29

3. "Dancing With the Stars," ABC, 13.45

4. "NCIS: Los Angeles," CBS, 13.07

5. "Person of Interest," starring Jim Caviezel, above, CBS, 12.96