Blue Bloods features a multi-generational family of New York City cops.
Tom Selleck stars as Frank Reagan, the city Police Commissioner, a position formerly held by his father, Henry Reagan (Len Cariou). Two of Reagan's sons are also on the force, Danny, a homicide detective (Donnie Wahlberg) and Jamie, a law school graduate, now a beat cop (Will Estes). Reagan's daughter, Erin, is an Assistant District Attorney (Bridget Moynahan). Another son, Joe, also a detective, was killed in the line of duty.
The series premiered on CBS in September, 2010.
Original US air dates: 09/24/2010 to 05/13/2011.
Original US air dates: 09/23/2011 to 05/11/2012.
Original US air dates: 09/28/2012 to 05/10/2013.
Original US air dates: 09/27/2013 to 05/09/2014.
Original US air dates: 09/26/2014 to 05/01/2015
Original US air dates: 09/25/2015 to 05/06/2016.