Nielsen ratings

Prime-time viewership, in millions, compiled by the Nielsen Co. for the week ending July 4:

1. "America's Got Talent" (Wednesday, 9 p.m.), NBC, 12.94

2. "America's Got Talent" (Tuesday), NBC, 10.23

3. "The Bachelorette," ABC, 9.77

4. "NCIS," starring Mark Harmon, above, CBS, 9.75

5. "Two and a Half Men," CBS, 8.84

6. "Wipeout" (Thursday), ABC, 8.74

7. "NCIS: Los Angeles," CBS, 8.28

8. "Wipeout" (Tuesday), ABC, 8.24

9. "The Mentalist" (Thursday, 10 p.m.), CBS, 8.18

10. "The Big Bang Theory," CBS, 8.07