The fourth season of Blue Bloods, a police procedural drama series created by Robin Green and Mitchell Burgess, premiered on CBS September 27, 2013. Leonard Goldberg serves as executive producer. According to TV by the Numbers, CBS was all but guaranteed to commit to a fourth season. This is because as a CBS Television Studios production, CBS has a financial incentive to produce at least the minimum number of episodes needed for stripped syndication. On March 27, 2013, CBS made it official by renewing Blue Bloods for a fourth season.