For over a decade, the One Chicago franchise has provided viewers with plenty of on-screen action, drama and romance.

NBC’s long-running franchise began in 2012 with Chicago Fire, followed by Chicago P.D. in 2014 and Chicago Med in 2015, with each series

now in its own double-digit season. The shows follow a unique set of characters working as first responders and medical staff in the city’s local police departments, fire houses and hospitals, working together to keep the city of Chicago safe.

 

 

While each series contains its set of characters, certain plot lines and love interests have overlapped. This has included Sophia Bush’s character Detective Erin Lindsay from Chicago P.D. dating

Chicago Fire served as the first installment in the franchise, premiering in October 2012. The series returned for its 13th season in September 2024 and has aired over 270 episodes.

The series follows the lives of the Chicago Fire Department crew, including firefighters, paramedics and rescue personnel, as they keep the city of Chicago secure.

 

 

Over the course of 13 seasons, fans have witnessed the show’s characters respond to life-or-death scenarios as they navigate their personal and professional lives while balancing the dangers of their jobs.

Chicago Fire stars include Taylor Kinney as Kelly Severide, Joe Miñoso as firefighter Joe Cruz and David Eigenberg as Christopher Herrmann. In addition, Eamonn Walker plays Wallace Boden alongside Kara Killmer’s Sylvie Brett and Jesse Spencer as Matt Casey.

New episodes of Chicago Fire air on NBC on Wednesday at 9 p.m. ET. The series is also available to stream on Peacock.

Chicago P.D. is the second installment in the One Chicago franchise, receiving a backdoor pilot from a season 1 episode of Chicago Fire in May 2013. The show premiered in January 2014 and was renewed for its 12th season in September 2024.

The series follows personnel from the 21st District of the Chicago Police Department, including patrol officers and detectives. Throughout the show, characters deal with various crimes, ranging from street offenders to high-profile murders, while working through their personal problems within the precinct.

Longtime stars of Chicago P.D. include Jason Beghe as Hank Voight, Patrick John Flueger as Adam Ruzek and Marina Squerciati as Kim Burgess. Viewers also see Sophia Bush as Erin Lindsay, Tracy Spiridakos as Hailey Upton, Jon Seda as Antonio Dawson and Jesse Lee Soffer as Jay Halstead.

New episodes of Chicago P.D. air on NBC on Wednesday at 10 p.m. ET. The series is also available to stream on Peacock.

Taylor Kinney’s character Kelly Severide from Chicago Fire.

The shows have also featured crossover episodes, including most recently in January 2025. The television event followed characters from all three series after a gas explosion left many in danger, including personnel at the firehouse, hospital and police station.

The One Chicago franchise also included the short-lived Chicago Justice, which premiered in 2017 but only lasted one season before it was canceled.

So whether you’re just getting into the fandom or want to revisit episodes, here’s where to watch and stream the One Chicago franchise.