March 27, 2013
CBS announced today that Blue Bloods has been renewed for a fourth season. The police drama has continued to perform solidly in its Friday night time slot, where it has been airing since its premiere in 2010.
Today's announcement included renewals of a large portion of the CBS primetime line-up for the 2013-2014 season. Other dramas receiving pick-ups today include The Good Wife, Hawaii Five-0, Elementary, Person of Interest, and NCIS: Los Angeles. Notables still awaiting news include CSI:NY, Vegas, and Criminal Minds.
UPDATE: Season 4 of Blue Bloods premieres on Friday, September 27, 2013 at 10:00pm.
(Source: TV by the Numbers)