March 15, 2012
CBS has renewed NCIS: Los Angeles for a fourth season. The spin-off series has found success on Tuesday nights airing after the original NCIS, with its ratings this season staying at around the same levels as previous seasons.
Also renewed was the original NCIS along with eight other dramas including The Good Wife, Criminal Minds, CSI, Hawaii Five-0, Blue Bloods, Person of Interest, and The Mentalist.
(Source: TV by the Numbers)