Developed by Derek Haas and Michael Brandt, One Chicago is a multi-series television franchise that combines various public service/government organizations in Chicago, Illinois. Each series shares a timeline and universe, with multiple characters crossing over occasionally. The One Chicago universe began with Chicago Fire in 2012, with P.D., Med, and Justice comprising the remainder of one of NBC's most successful primetime franchises.
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Chicago Fire & Chicago P.D. Finales: Showrunners Preview Severide's Storyline With Pascal & Voight's War With Reid
ScreenRant interviews Chicago Fire showrunner Andrea Newman and Chicago P.D. showrunner Gwen Sigan about the long-awaited season finales.

Chicago Med Season 10, Episode 21 Sets Up Two Potential Exits For The Finale
Chicago Med season 10, episode 21 set up two potential exits for the season finale while introducing some compelling story threads for the wrap-up.

Chicago Fire Season 13 Makes It Clear That NBC Is Getting Rid Of The Wrong Firehouse 51
A couple of Firehouse 51 are leaving at the end of the year, but Chicago Fire season 13, episode 19 proves that it's the wrong decision.

Chicago Fire Season 13 Unexpectedly Writes Out A Character Ahead Of Carver & Ritter's Finale Exit
Ahead of losing Sam Carver and Darren Ritter, Chicago Fire season 13 effectively writes out another character in its penultimate episode.

Voight Stands Up Against Reid But No Signs Of Burgess & Ruzek Wedding In Chicago PD Season 12 Finale Trailer
The Chicago P.D. season 12 finale trailer show's Voight ready to stand against Reid's IU investigation, but no sign of Burgess & Ruzek's wedding.

Chicago Med Season 10 Finale Trailer Sets Up Another Unexpected Tragedy For Dr. Charles
The Chicago Med season 10 finale trailer throws Charles into the middle of yet another major family crisis following his mother’s death.

Severide Is In Danger Of Going Down With Pascal In The Chicago Fire Season 13 Finale Trailer
The Chicago Fire season 13 finale trailer shows Severide in danger of being brought down with Pascal amid suspicions of attempted murder.

Jesse Lee Soffer Declares This Chicago PD Outing From 9 Years Ago Is The "Best Episode We've Ever Done"
Chicago PD has explored numerous high-stakes storylines, but actor Jesse Lee Soffer believes one episode from his run was better than any other.

1 Chicago Fire Season 13, Episode 20 Character Absence Is So Bizarre In Light Of Their Firehouse 51 Future
Chicago Fire hasn’t been featuring a main character much, which is unexpected considering what’s known about how they end the current season.

Sharon's Most Powerful Chicago Med Season 10 Story Had A Cop Out Ending
Chicago Med season 10, episode 20 set up a strong story for Sharon, only to rush to a conclusion and waste all of the carefully built-up potential.
All 3 One Chicago Shows Renewed For 2025-26 TV Season At NBC
Chicago Med, Chicago Fire, and Chicago P.D. have all been renewed at NBC, ensuring the One Chicago franchise will continue in the 2025-2026 season.

Why Is There No New One Chicago Tonight (April 30) & When Will New Episodes Of Fire, PD, & Med Release?
There is a reason One Chicago is not airing new episodes on April 30, but NBC has a plan for the three procedurals to return to the schedule.

Departing Chicago Fire Star Shares Emotional Goodbye To The Show & Cast: "So Much Pride In This Journey"
A departing Chicago Fire star shares their emotional goodbye to the show and the cast, reflecting on their journey throughout the series.

Chicago Fire Season 13, Episode 19 Re 2025 One Chicago Crossover's Underrated Pairing
One Chicago finally came together for another crossover in 2025, and one of its most intriguing dynamics returns in a Chicago Fire season 13 episode.

Sharon's Chicago Med Season 10, Episode 19 Romance Issue Is A Disservice To Her Character Arc
Chicago Med season 10, episode 19 gave Sharon a meaty romantic story, but her conflict with Dennis also did a disservice to her character arc.

Chicago P.D. Star Toya Turner Hints At Cook & Torres' "Closer" Relationship
EXCLUSIVE: Chicago P.D. star Toya Turner hints at Kiana Cook and Dante Torres' "closer" relationship, and what it says about their future.

Chicago Fire Season 13 Update Confirms Major Stella & Severide Baby Story Developments
A new update about Chicago Fire season 13 teases some major developments about Stella and Severide's hopes of adopting a baby someday soon.

2 Major Chicago Fire Characters Are Leaving The Show After Season 13
Chicago Fire is losing two main veteran cast , and more are potentially set to depart the popular long-running procedural NBC drama.

Chicago Fire May Lose Another Cast Member Warns Boden Actor Ahead Of His Return
EXCLUSIVE: Chicago Fire actor Eamonn Walker has warned that the show could lose another prominent cast member after Boden's dramatic return.

Original Chicago Fire Cast Member Promises To Return For More Episodes
Exclusive: Chicago Fire star Eamonn Walker shares that he is open to appearing in more episodes following his season 13 return as Boden.