The show NCIS ranked where on the Nielsen ratings top twenty most - watched cable shows for the week ending March 1 , 2009 ?
It garnered a 3.6/10 Nielsen rating / share in the 18–49 demographic , and received 8.97 million American viewers during its initial airing , despite airing simultaneously with the " NCIS " season finale on CBS , " The Biggest Loser " on NBC , " Dancing With the Stars Freestyle Special " on ABC , and the " One Tree Hill " season finale on The CW.