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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

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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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Severide in Chicago fire season 13 episode 22 promo
Severide Is In Danger Of Going Down With Pascal In The Chicago Fire Season 13 Finale Trailer
Chicago Fire

The Chicago Fire season 13 finale trailer shows Severide in danger of being brought down with Pascal amid suspicions of attempted murder.

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Jesse Lee Soffer as Jay Halstead in Chicago PD
Jesse Lee Soffer Declares This Chicago PD Outing From 9 Years Ago Is The "Best Episode We've Ever Done"
Chicago P.D.

Chicago PD has explored numerous high-stakes storylines, but actor Jesse Lee Soffer believes one episode from his run was better than any other.

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Harold Capp (Randy Flager) and Tony Ferraris sitting on a firetruck looking confused in Chicago Fire.
1 Chicago Fire Season 13, Episode 20 Character Absence Is So Bizarre In Light Of Their Firehouse 51 Future
Chicago Fire

Chicago Fire hasn’t been featuring a main character much, which is unexpected considering what’s known about how they end the current season.

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Sharon standing and looking at people off-screen
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Chicago Med

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.

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Dermot Mulroney as Dom Pascal in Chicago Fire season 13, episode 16 (1)
All 3 One Chicago Shows Renewed For 2025-26 TV Season At NBC
Network TV

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.

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Characters from Chicago Fire, PD, & Med
Why Is There No New One Chicago Tonight (April 30) & When Will New Episodes Of Fire, PD, & Med Release?
Network TV

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.

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Jake Lockett as Sam Carver in Chicago Fire season 12
Departing Chicago Fire Star Shares Emotional Goodbye To The Show & Cast: "So Much Pride In This Journey"
Chicago Fire

A departing Chicago Fire star shares their emotional goodbye to the show and the cast, reflecting on their journey throughout the series.

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montage of Chicago Fire Season 13, Episode 19
Chicago Fire Season 13, Episode 19 Re 2025 One Chicago Crossover's Underrated Pairing
Chicago Fire

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.

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Chicago Med Maggie crossing her arms and glaring while standing next to Sharon
Sharon's Chicago Med Season 10, Episode 19 Romance Issue Is A Disservice To Her Character Arc
Chicago Med

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.

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Cook and Torres in Chicago PD
Chicago P.D. Star Toya Turner Hints At Cook & Torres' "Closer" Relationship
Chicago P.D.

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

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Miranda Rae Mayo as Stella Kidd in Chicago Fire.
Chicago Fire Season 13 Update Confirms Major Stella & Severide Baby Story Developments
Chicago Fire

A new update about Chicago Fire season 13 teases some major developments about Stella and Severide's hopes of adopting a baby someday soon.

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The firefighters responding to a crisis and looking concerned in Chicago Fire
2 Major Chicago Fire Characters Are Leaving The Show After Season 13
Chicago Fire

Chicago Fire is losing two main veteran cast , and more are potentially set to depart the popular long-running procedural NBC drama.

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Dermot Mulroney as Chief Dom Pascal, Eamonn Walker as Wallace Boden with the exclusives golden circle and Taylor Kinney as Kelly Severide from episode 18 Post-Mortem season 13
Chicago Fire May Lose Another Cast Member Warns Boden Actor Ahead Of His Return
Chicago Fire

EXCLUSIVE: Chicago Fire actor Eamonn Walker has warned that the show could lose another prominent cast member after Boden's dramatic return.

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Dermot Mulroney as Chief Dom Pascal, Miranda Rae Mayo as Stella Kidd, Eamonn Walker as Wallace Boden with the exclusives circle, David Eigenberg as Christopher Herrmann from Season 13 Episode 18 Post-Mortem
Original Chicago Fire Cast Member Promises To Return For More Episodes
Chicago Fire

Exclusive: Chicago Fire star Eamonn Walker shares that he is open to appearing in more episodes following his season 13 return as Boden.

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April and Ethan having an upsetting conversation in Chicago Med
A New Chicago Med Update Rules Out A Fan-Favorite Character Returning For the Season 10 Finale, & That's A Bummer
Chicago Med

I'm disappointed that the latest news confirms that this former Chicago Med character is not among those returning for the season 10 finale.

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Jesse Lee Soffer as Supervisory Special Agent Wesley
Chicago PD Stars Reunite With Jesse Lee Soffer In New Photos From FBI: International Set
Chicago P.D.

Chicago P.D. stars reunite with Jesse Lee Soffer in new photos from the set of FBI: International ahead of the CBS procedural series' final episodes.

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April Sexton from Chicago Med wearing a braid and looking sad
"People Still Felt The Impact...": April Sexton's Exit & Potential Chicago Med Return Addressed By Original Star
Chicago Med

While reflecting on April Sexton's legacy on Chicago Med, Yaya DaCosta discusses the likelihood of her ever returning to the One Chicago show.

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Boden and Mouch in Chicago Fire
Damn It! Firehouse 51 May Be Killing Off A "Fan Favorite" After Boden's Chicago Fire Season 13 Return
Chicago Fire

Chief Wallace Boden is making his much-anticipated return to Firehouse 51, but Chicago Fire season 13 may be staging another death after his comeback.

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Boden looking sad on Chicago Fire
“You’ve Got More Of A Movie Here Than An Episode”: Fan-Favorite Chicago Fire Character Previews His Season 13 Return
Chicago Fire

Chicago Fire actor Eamonn Walker previews the return of his fan-favorite character and how he could shape season 13 of the hit NBC procedural.

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