When does Chicago Fire return?

The series was created by Derek Haas and Michael Brandt and the series is the first installment of the Chicago Fire franchise. It premiered on October 10, 2012, and has aired 272 episodes. The show explores the professional and personal lives of the firefighters, rescue personnel, and paramedics. It stars Jesse Spencer, Taylor Kinney, Monica Raymund, Lauren German, Charlie Barnett, David Eigenberg, Teri Reeves, Eamonn Walker, Joe Miñoso, Kara Killmer, Steven R.