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One Chicago

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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One Chicago Franchise Poster
One Chicago
Created by
Derek Haas, Michael Brandt
First TV Show
Chicago Fire
First Episode Air Date
October 10, 2012
Cast
Jesse Spencer, Taylor Kinney, Monica Raymund, Jason Beghe, Jon Seda, Sophia Bush, Jesse Lee Soffer, Nick Gehlfuss, Yaya DaCosta, Torrey DeVitto, Rachel DiPillo, Philip Winchester, Joelle Carter, Monica Barbaro, Carl Weathers, Yuri Sardarov
TV Show(s)
Chicago Justice
Character(s)
Matthew Casey, Kelly Severide, Gabriela Dawson, Brian Zvonecek, Henry Voight, Antonio Dawson, Erin Lindsay, Jay Halstead, Will Halstead, April Sexton, Peter Stone, Laura Nagel, Anna Valdez, Mark Jefferies

latest

Chicago Fire Taylor Kinney as Kelly Severide looking over his shoulder
It's Official: All One Chicago Show Leads Are Set To Return Next Season As New Deals Are Inked
Network TV

A month after all three One Chicago shows were renewed by NBC, the good news continues as the shows' leads are now confirmed to return.

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Jocelyn Hudon as Lizzy Novak in Chicago Fire
One Chicago Star Jocelyn Hudon Thinks A Fire & Med Love Triangle Could Happen Next Season
Chicago Fire

One Chicago star Jocelyn Hudon is hopeful that her character, Novak, could be involved in a potential Fire and Med love triangle next season.

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Carver and Ritter in Chicago Fire season 13 (1)
10 Most Upsetting Departures In One Chicago History
Network TV

Over the course of the One Chicago franchise’s long history, many characters have left, some of whose exits have hurt more than others.

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Severide ahead of the firefighters in Chicago Fire
Why Chicago Fire Season 13 Could Be A Turning Point For The One Chicago Universe
Chicago Fire

Chicago Fire season 13's story arcs and narrative direction could prove to be a turning point for the One Chicago franchise moving forward.

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Dermot Mulroney as Chief Dom Pascal and Jason Beghe as Sgt. Hank Voight in Chicago P.D.
One Chicago Universe Gets A New Kind Of Expansion
Network TV

With four television shows under its belt, the One Chicago franchise is set to expand once again in the fall of 2025, but in a new format.

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Jay Halstead in his car while he is thinking in Chicago PD
Jesse Lee Soffer's FBI: International Character Is The Inevitable Version Of Jay Halstead In Chicago PD (If He Stayed)
Chicago P.D.

Jesse Lee Soffer's character in FBI: International represents the inevitable future that Chicago PD's Jay Halstead tried so hard to prevent.

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Burgess and Ruzek in Chicago PD season 12 finale.
Chicago PD Gave Upton & Halstead A Better Wedding, But Burgess & Ruzek Still Win Overall
Chicago P.D.

Burgess and Ruzek's wedding isn't quite as touching as Upton and Halstead’s courthouse ceremony, but Chicago PD sets them up for a better future.

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Burgess and Ruzek in Chicago PD season 12 finale.
All One Chicago Weddings — From Casey & Gabby To Burgess & Ruzek, Ranked
Network TV

The One Chicago shows – Chicago Fire, Chicago PD, and Chicago Med – have featured 12 weddings over the years, and some turned out better than others.

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Reid stands facing Voight and glaring in Chicago PD
Chicago PD Season 12 Finale Teases Reid's Replacement Villain For Season 13, & They Might Be More Dangerous
Chicago P.D.

Chicago PD season 12, episode 22 sets up a villain for season 13 who is far more dangerous to Voight and his team than Deputy Chief Reid was.

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Ethan and April in Chicago Med, standing together
Chicago Med Season 11 Will See The Return Of 1 Or 2 Original Characters
Chicago Med

Chicago Med showrunner Allen MacDonald teases the return of a few familiar faces, continuing a tradition for NBC's long-running medical procedural.

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Voight standing and looking upset in Chicago PD
Chapman Is Wrong About Voight In Chicago PD Season 12 Finale
Chicago P.D.

Chapman's comments to Voight during the Chicago PD season 12 finale prove she doesn't have any idea who Voight really is or what he's capable of.

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Burgess in Chicago PD season 12 finale
Chicago PD Producer Defends Showing Very Little Of Burgess & Ruzek's Much-Awaited Wedding In The Season 12 Finale: "It Was A Little Too Jarring"
Chicago P.D.

Chicago P.D. producer Gwen Sigan has defended the decision to show very little of Burgess and Ruzek's wedding in the season 12 finale episode.

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Herrmann-and-Mouch-Chicago-Fire
Herrmann's Emotional Twist Sacrifice In The Chicago Fire Season 13 Finale Explained By Show Boss: "It Feels Right"
Chicago Fire

EXCLUSIVE: Chicago Fire showrunner Andrea Newman discusses Herrmann's emotional season 13 finale sacrifice, and how this will impact him & Mouch.

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Ruzek and Burgess in Chicago PD season 12 finale
Chicago PD Season 12 Finale Review: I'm Dismayed With How NBC Utterly Fails Kim Burgess & Adam Ruzek
Chicago P.D.

Chicago PD season 12 perfectly mixes the best aspects of the procedural's storytelling for one of its strongest episode of the TV cycle.

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Severide and Voight in front of an orange skyline in One Chicago
Chicago Fire & Chicago P.D. Finales: Showrunners Preview Severide's Storyline With Pascal & Voight's War With Reid
Network TV

ScreenRant interviews Chicago Fire showrunner Andrea Newman and Chicago P.D. showrunner Gwen Sigan about the long-awaited season finales.

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Chicago Med Hannah looking over her shoulder at the nurses' station
Chicago Med Season 10, Episode 21 Sets Up Two Potential Exits For The Finale
Chicago Med

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.

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Severide and Violet in Chicago Fire
Chicago Fire Season 13 Makes It Clear That NBC Is Getting Rid Of The Wrong Firehouse 51
Chicago Fire

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.

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Kidd and Violet crying in Chicago Fire Season 13, episode 15
Chicago Fire Season 13 Unexpectedly Writes Out A Character Ahead Of Carver & Ritter's Finale Exit
Chicago Fire

Ahead of losing Sam Carver and Darren Ritter, Chicago Fire season 13 effectively writes out another character in its penultimate episode.

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Jason Beghe as Hank Voight looking on with concern in the woods in Chicago PD
Voight Stands Up Against Reid But No Signs Of Burgess & Ruzek Wedding In Chicago PD Season 12 Finale Trailer
Chicago P.D.

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.

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Oliver Platt as Dr. Charles looking shocked in Chicago Med season 10 episode 8
Chicago Med Season 10 Finale Trailer Sets Up Another Unexpected Tragedy For Dr. Charles
Chicago Med

The Chicago Med season 10 finale trailer throws Charles into the middle of yet another major family crisis following his mother’s death.

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