NBC placed first in adults 18-49 for the week of Feb. 12-18, but CBS was the network leader in households and total viewers.
NBC, led by its strong Thursday night lineup of Friends and ER, averaged a 5.1 rating for the week in adults 18-49, according to Nielsen Media Research.
It was NBC's third straight week atop the adults 18-49 category.
CBS, with help from the most- watched show of the week, Survivor: The Australian Outback, averaged 13 million viewers and an 8.8 rating/14 share in households.
CBS has won the household title for the last four consecutive weeks. Survivor averaged 28.2 million viewers on Feb. 15 and an 11.7/29 in adults 18-49. ER was the highest rated 18-49 program of the week, with a 13.5/34 average.
Fox tied NBC for first place in adults 18-34 (4.5/13) and finished second in adults 18-49 with a 4.7 rating. ABC finished the week in third place among adults 18-49 (4.4) and in second place among total viewers (12.6 million).
The WB and UPN tied in both adults 18-49 (1.6 rating) and in total viewers (3.7 million).