Chicago Justice

Chicago Justice began as a backdoor pilot that aired on May 11, 2016, as the 21st episode of Chicago P.D.'s third season, before NBC ordered it to series just one day later.

The show initially carried the working title 'Chicago Law' when it was confirmed at the January 2016 Television Critics Association winter press tour, before being renamed Chicago Justice by March 11.

The backdoor pilot episode was partially based on historical events and inspired by a true story.

Carl Weathers, known for playing Apollo Creed in the Rocky films, joined the cast on March 19, 2016 as Cook County State's Attorney Mark Jefferies.

Nazneen Contractor was cast in the series in March 2016 but exited in July 2016 to join the CBS drama Ransom, leading to a cast shuffle.

Jon Seda's Chicago P.D. character Antonio Dawson was moved over to Chicago Justice as an investigator for the State's Attorney's office, a shift reported in September 2016 that caused actor Ryan-James Hatanaka to depart the series.

Several actors reprised their classic Law & Order roles as guest stars: Lorraine Toussaint returned as defense attorney Shambala Green, Richard Brooks reprised Paul Robinette, and Tovah Feldshuh appeared as Danielle Melnick, now portrayed as a judge.

Lead character Peter Stone's father is Benjamin Stone, a character who served as an assistant district attorney during the first four seasons of the original Law & Order series.

NBC canceled Chicago Justice after just one season in May 2017, making it the first series in the Chicago franchise to be ended, despite averaging better ratings than fellow NBC dramas Shades of Blue and Taken.

After the cancellation, Philip Winchester's character Peter Stone became a regular on Law & Order: Special Victims Unit, while Jon Seda's Antonio Dawson returned to Chicago P.D.