The show NCIS ranked where on the Nielsen ratings top twenty most - watched cable shows for the week ending March 1 , 2009 ?
The show ranked number ten ( 4.535 million viewers ) , twelve ( 4.264 million viewers ) , thirteen ( 4.221 million viewers ) , fifteen ( 4,161 million viewers ) , seventeen ( 4.132 million viewers ) , and twenty ( 4.081 million viewers ) in the list of Nielsen ratings top twenty most - watched cable shows for the week ending March 1 , 2009 .