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Crossovers and Milestones
In the criminal justice system some killers are so depraved that it takes multiple police agencies to bring them to justice. This is one of those investigations.

Steve Zirnkilton


The Chicago Franchise shows have been known to feature characters from their sister series on nearly a weekly basis, even including multi-episode arcs and romances between characters. Additionally, both Chicago Fire and Chicago P.D. crossed over with Law & Order: Special Victims Unit. "The crossovers are incredible ratings engines for us," said Dick Wolf. "What we can't do is have them become commonplace."


Pilots and Crossovers

Image Episode # Title Airdate Comment
Chicago Fire 1.23 (#23) Let Her Go May 15, 2013 Backdoor Pilot for Chicago P.D.
Law & Order: SVU 15.15 Comic Perversion February 26, 2014 Two-Part Crossover
Chicago P.D. 1.06 (#6) Conventions February 26, 2014 Two-Part Crossover
Chicago Fire 2.20 (#44) A Dark Day April 29, 2014 Two-Part Crossover
Chicago P.D. 1.12 (#12) 8:30 PM April 30, 2014 Two-Part Crossover
Chicago Fire 3.07 (#53) Nobody Touches Anything November 11, 2014 Three-Part Crossover
Law & Order: SVU 16.07 Chicago Crossover November 12, 2014 Three-Part Crossover
Chicago P.D. 2.07 (#22) They'll Have to Go Through Me November 12, 2014 Three-Part Crossover
Chicago Fire 3.13 (#59) Three Bells February 3, 2015 Two-Part Crossover
Chicago P.D. 2.13 (#28) A Little Devil Complex February 4, 2015 Two-Part Crossover
Chicago Fire 3.19 (#65) I Am the Apocalypse April 7, 2015 Backdoor Pilot for Chicago Med
Chicago Fire 3.21 (#67) We Called Her Jellybean April 28, 2015 Three-Part Crossover
Chicago P.D. 2.20 (#35) The Number of Rats April 29, 2015 Three-Part Crossover
Law & Order: SVU 16.20 Daydream Believer April 29, 2015 Three-Part Crossover
Chicago Fire 4.10 (#79) The Beating Heart January 5, 2016 Three-Part Crossover
Chicago Med 1.05 (#5) Malignant January 5, 2016 Three-Part Crossover
Chicago P.D. 3.10 (#48) Now I'm God January 6, 2016 Three-Part Crossover
Law & Order: SVU 17.14 Nationwide Manhunt February 10, 2016 Two-Part Crossover
Chicago P.D. 3.14 (#52) The Song of Gregory Williams Yates February 10, 2016 Two-Part Crossover
Chicago P.D. 3.21 (#59) Justice May 11, 2016 Backdoor Pilot for Chicago Justice
Law & Order Character Crossover
Chicago Fire 5.09 (#101) Some Make It, Some Don't January 3, 2017 Two-Part Crossover
Chicago P.D. 4.09 (#70) Don't Bury This Case January 3, 2017 Two-Part Crossover
Chicago Fire 5.15 (#107) Deathtrap March 1, 2017 Four Series Crossover
Chicago P.D. 4.16 (#77) Emotional Proximity March 1, 2017 Four Series Crossover
Chicago Justice 1.01 (#1) Fake March 1, 2017 Four Series Crossover
Chicago Justice Premieres
Law & Order Character Crossover
Chicago Justice 1.02 (#2) Uncertainty Principle March 5, 2017 Law & Order Character Crossover
Chicago P.D. 5.16 (#100) Profiles March 7, 2018 Two-Part Crossover
Chicago Fire 6.13 (#127) Hiding Not Seeking March 8, 2018 Two-Part Crossover
Chicago Fire 7.02 (#139) Going to War October 3, 2018 Three-Part Crossover
Chicago Med 4.02 (#63) When to Let Go October 3, 2018 Three-Part Crossover
Chicago P.D. 6.02 (#108) Endings October 3, 2018 Three-Part Crossover
Chicago Fire 7.15 (#152) What I Saw February 20, 2019 Two-Part Crossover
Chicago P.D. 6.15 (#121) Good Men February 20, 2019 Two-Part Crossover
FBI 1.18 (#18) Most Wanted April 2, 2019 Backdoor Pilot for FBI: Most Wanted
Chicago Fire 8.04 (#163) Infection, Part I October 16, 2019 Three-Part Crossover
Chicago Med 5.04 (#87) Infection, Part II October 16, 2019 Three-Part Crossover
Chicago P.D. 7.04 (#132) Infection, Part III October 16, 2019 Three-Part Crossover
Chicago Fire 8.15 (#174) Off the Grid February 26, 2020 Two-Part Crossover
Chicago P.D. 7.15 (#143) Burden of Truth February 26, 2020 Two-Part Crossover
FBI 2.18 (#40) American Dreams March 24, 2020 Two-Part Crossover
FBI: Most Wanted 1.09 (#9) Reveille March 24, 2020 Two-Part Crossover
FBI 2.19 (#41) Emotional Rescue March 31, 2020 Chicago P.D. Character Crossover
FBI 4.01 (#57) All That Glitters September 21, 2021 Three-Part Crossover
FBI: Most Wanted 3.01 (#30) Exposed September 21, 2021 Three-Part Crossover
FBI: International 1.01 (#1) Pilot September 21, 2021 Three-Part Crossover
FBI: International Pilot
FBI: International 2.16 (#37) Imminent Threat, Part I April 4, 2023 Three-Part Crossover
FBI 5.17 (#94) Imminent Threat, Part II April 4, 2023 Three-Part Crossover
FBI: Most Wanted 4.16 (#67) Imminent Threat, Part III April 4, 2023 Three-Part Crossover

Milestone Episodes

Image Episode # Title Airdate Comment
Chicago Fire 1.01 (#1) Pilot October 10, 2012 Chicago Fire Pilot
Chicago P.D. 1.01 (#1) Stepping Stone January 8, 2014 Chicago P.D. Premieres
Chicago Fire 3.20 (#66) You Know Where to Find Me April 21, 2015 100th Episode in the Chicago Franchise
Chicago Med 1.01 (#1) Derailed November 17, 2015 Chicago Med Premieres
Chicago Fire 5.08 (#100) One Hundred December 6, 2016 100th Episode in Chicago Fire
Chicago P.D. 4.11 (#72) You Wish January 11, 2017 200th Episode in the Chicago Franchise
Chicago Justice 1.13 (#13) Tycoon May 14, 2017 250th Episode in the Chicago Franchise
Chicago Justice Cancelled
Chicago P.D. 5.16 (#100) Profiles March 7, 2018 100th Episode in Chicago P.D.
Chicago Med 3.14 (#55) Lock It Down April 3, 2018 300th Episode in the Chicago Franchise
FBI 1.01 (#1) Pilot September 25, 2018 FBI Pilot
Chicago P.D. 8.06 (#165) What Went Wrong October 30, 2019 400th Episode in the Chicago Franchise
FBI: Most Wanted 1.01 (#1) Dopesick January 7, 2020 FBI: Most Wanted Premieres
Chicago Med 5.17 (#100) The Ghosts of the Past March 18, 2020 100th Episode in Chicago Med
Chicago P.D. 9.03 (#123) The One Next to Me October 6, 2021 500th Episode in the Chicago Franchise
Chicago Fire 10.05 (#200) Two Hundred October 20, 2021 200th Episode in Chicago Fire
FBI: Most Wanted 3.05 (#34) Unhinged November 2, 2021 100th Episode in the FBI Franchise
Chicago P.D. 10.14 (#200) Trapped February 22, 2023 200th Episode in Chicago P.D.
Chicago Med 8.15 (#156) Those Times You Have to Cross the Line March 1, 2023 600th Episode in the Chicago Franchise
FBI 2.17 (#38) Jealous Mistress April 11, 2023 200th Episode in the FBI Franchise
FBI 5.23 (#100) God Complex May 23, 2023 100th Episode in FBI
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