"NBC Nightly News with Brian Williams was the top-rated network evening newscast, winning the week of November 20 – 24, 2006 in total viewers, homes and among the key demographic adults 25-54," NBC says.

The gap between NBC and ABC stands at 990,000 total viewers and 60,000 viewers in the 25-54 demo. For the week of Nov. 20:

Total viewers: NBC: 9,470,000 / ABC: 8,480,000 / CBS: 7,960,000

25-54 demo: NBC: 2.3/9 / ABC: 2.2/8 / CBS: 2.0/7

Note: Due to Thanksgiving, the ABC and CBS broadcasts were labeled as specials on Thursday and Friday, and NBC's broadcast was a special on Thursday only. The numbers are a three-day average for ABC and CBS, and a four-day average for NBC.