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.

Richard Anthony Wolf, known professionally as Dick Wolf, is an American film and television producer, best known for his Law & Order franchise. Since 1990, the franchise has included six police/courtroom dramas and four international spinoffs. He is also creator and executive producer of the Chicago franchise, which since 2012, has included four Chicago-based dramas, and the creator and executive producer of the FBI franchise, which since 2018, has also become a franchise after spinning off two additional series.