Competitions and CBS reruns ruled prime-time television.

Each of Nielsen Media Research's 11 most-watched broadcast shows the week of July 20-26 fell into one of those two categories, led by NBC's hit airing of "America's Got Talent" in three separate hours.

Fox's "So You Think You Can Dance" also hit the top 15 with two separate editions and ABC's "The Bachelorette" reached the top 10 as she neared a crucial decision. Six CBS reruns landed in the top 11, led by "NCIS."

For the week, network averages were: CBS, 6.2 million viewers (4.1 rating, 8 share); NBC, 5.1 million (3.3, 6); Fox, 5 million (3.1, 6); ABC, 4 million (2.6, 5); My Network, 1.4 million (0.9, 2); CW, 860,000 (0.6, 1); ION, 410,000 (0.4, 1).

In the evening news race: NBC "Nightly News," 7.6 million (5.1, 11); ABC "World News," 6.8 million (4.6, 10); "CBS Evening News," 5.5 million (3.8, 8).

ASSOCIATED PRESS

1 America's Got Talent (Tuesday) (NBC)

2 America's Got Talent (Wednesday) (NBC)

3 NCIS (CBS)

4 The Mentalist (CBS)

5 Two and a Half Men (CBS)

6 The Big Bang Theory (CBS)

7 CSI: Miami (CBS)

8 So You Think You Can Dance (Thursday) (Fox)

9 America's Got Talent (Tuesday) (NBC)

10 The Bachelorette (ABC)

11 CSI: Crime Scene Investigation (CBS)

12 Law & Order: Special Victims Unit (NBC)

13 So You Think You Can Dance (Wednesday) (Fox)

14 60 Minutes (CBS)

15 CSI: NY (CBS)

16 Hell's Kitchen (Fox)

17 Criminal Minds (CBS)

18 Wipeout (ABC)

19 Big Brother 11 (Thursday) (CBS)

20 Dating in the Dark (ABC)