The Chicago franchise is a media franchise of American television programs created by Derek Haas and Michael Brandt, produced by Wolf Entertainment, and broadcast on NBC, all of which deal with different public services in Chicago, Illinois. The Chicago franchise has maintained strong ratings, leading primetime in total viewers, averaging nearly seven million viewers per show, between Chicago Fire, Chicago P.D., and Chicago Med.

Chicago P.D. is an American police procedural action drama television series created by Dick Wolf and Matt Olmstead and is the second installment of Wolf's Wolf Entertainment's Chicago franchise. The series premiered on NBC as a mid-season replacement on January 8, 2014. The show follows the uniformed patrol officers and the Intelligence Unit of the 21st District of the Chicago Police Department as they pursue the perpetrators of the city's major street offenses.