"Blue Bloods" premiered in the US on Sept. 24, 2010, on CBS. "Blue Bloods" is currently in its fifth season, with new episodes releasing Fridays at 10:00 p.m., 9:00 p.m. Central, on CBS.
"Blue Bloods" premiered on Sky Atlantic in Ireland and the United Kingdom on Feb. 1, 2011. On Feb. 2, 2011, Network Ten premiered "Blue Bloods" on its primary channel, before switching it over to its secondary channel for the premiere of season two, and then back to its primary channel for the premiere of season three. "Blue Bloods" premiered in New Zealand on TV3 on July 13, 2013.