Release OrderRecommended
0 / 4 watchedOne entry per series in premiere order. Within each series, watch straight through; the pilots and crossovers land in this sequence.
- 1 Chicago Fire 14 seasons aired through May 13, 2026. Season 15 premieres October 7, 2026 at 9 p.m. ET on NBC.
- 2 Chicago P.D. 13 seasons aired through May 13, 2026. Backdoor pilot aired as Fire season 1, episode 23 on May 15, 2013. Season 14 premieres October 7, 2026 at 10 p.m. ET.
- 3 Chicago Med 11 seasons aired through May 13, 2026. Backdoor pilot aired as Fire season 3, episode 19 on April 7, 2015. Season 12 premieres October 7, 2026 at 8 p.m. ET.
- 4 Chicago Justice 13 episodes. Aired March 1 to May 14, 2017 on NBC. Backdoor pilot aired as P.D. season 3, episode 21 on May 11, 2016. Cancelled after one season.
Crossover Pilots in Air Order
0 / 3 watchedThe three backdoor pilots that launched the spinoffs. Watch each before starting its series.
Chicago Fire
- 1 Let Her Go Season 1, episode 23. Aired May 15, 2013. Launches the Intelligence Unit and P.D.
- 2 I Am the Apocalypse Season 3, episode 19. Aired April 7, 2015. Launches Gaffney Medical and Med.
Chicago P.D.
- 3 Justice Season 3, episode 21. Aired May 11, 2016. Launches the State's Attorney team and Justice.
About One Chicago
One Chicago began with Fire on October 10, 2012, followed by P.D. on January 8, 2014, Med on November 17, 2015 and the one season Justice in 2017. Fire season 14, P.D. season 13 and Med season 11 all aired in 2025 and 2026, with new seasons premiering October 7, 2026.
Good to know
Fire season 15, P.D. season 14 and Med season 12 all premiere October 7, 2026 on NBC. Crossovers play best in airdate order, so the second list below tracks the backdoor pilots.
