April 26, 2013
NBC announced today that it has renewed Chicago Fire for a second season. The network ordered 22 new episodes of the freshman drama for 2013-2014.
Along with Chicago Fire, the network also renewed four other dramas today for next season including Parenthood, Revolution, Grimm, and Law & Order: SVU.
UPDATE: Season 2 of Chicago Fire will premiere on Tuesday, September 24, 2013 at 10:00pm.
(Source: TV by the Numbers)