The first three-hour crossover in more than five years unites the crews from 'Chicago Fire,' 'Chicago P.D.' and 'Chicago Med.'

There's a shift in show order for the crossover event. “Chicago Fire” will air first at 8 p.m., followed by “ Chicago Med “ at 9 p.m., with “ Chicago P.D .” concluding the event at 10 p.m.

Investigators said the fire Monday night was started by a person, but it was not clear if the fire was intentional or an accident.

The fire started shortly before 7 a.m. in a two-story apartment building in the 1300 block of West Fuller Street.

The long-awaited One Chicago crossover is nearly here in the 2025 TV schedule, and the storyline on January 29 is epic enough that one star expects fans to "go bananas" when they see it. Chicago Fire will air before Chicago Med for the event in a time slot switch,

Chicago Fire,' 'Chicago Med,' and 'Chicago P.D.' bosses broke down the tragic events of the crossover event & how it will affect the future.

We have Chicago Fire to thank for One Chicago Wednesdays. The flagship series kicked off the NBC phenomenon in 2012. Over the last 13 seasons, we’ve come to think of the firefighters and paramedics of Firehouse 51 as family, watching them get married, have kids, and more.

The drama series Chicago Fire is a hit for its realistic portrayal of firefighters' lives, even hiring a former firefighter as a technical advisor. However, one cast member was also part of the U.S. Marine Corps.

How hard is it to create a three-episode crossover? Chicago Fire showrunner Andrea Martin dishes on that & more in this exclusive interview.

NBC’s One Chicago is airing its first crossover in five years tonight. Here’s how to watch the epic event featuring "Chicago Fire," 'Chicago Med," and "Chicago P.D.."

The crossover starts at 8 p.m. with "Chicago Fire" followed by "Chicago Med" at 9 p.m. and "Chicago P.D." at 10 p.m.

Even though Chicago P.D has been a hit from the start, it was recently revealed that a member of the Chicago police force once aimed to be part of the firefighter series. Creator Dick Wolf explained why he made this decision that would change the actor's fate forever.