February 1, 2013
CBS announced today that long-running series NCIS has been renewed for an eleventh season. The network's flagship drama continues to be a ratings powerhouse, this season earning the rank of television's #1 program and averaging over 21 million viewers.
No premiere date has been announced for Season 11, but a late September 2013 return is likely.
UPDATE: Season 11 of NCIS premieres on Tuesday, September 24, 2013 at 8:00pm.
(Source: TV by the Numbers)