From The TV IV
Chicago is the brainchild of Dick Wolf. It is one of the most successful Chicago service procedurals, as well as television franchises in general. It includes four original versions.
Official American Series
|Chicago Fire||Drama||NBC||2012–||The original and longest running.|
|Chicago PD||Crime||NBC||2014–||Focusing on crimes of a Chicago nature.|
|Chicago Med||Medical||NBC||2015–||Focusing on medical situations of a Chicago nature.|
|Chicago Justice||Legal||NBC||2017–||Focusing on legal situations of a Chicago nature.|