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,

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.."

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.

Uh-oh, what’s going on with one of our favorite — and most stable! — One Chicago couples?! TV Insider’s exclusive sneak peek of the big three-show crossover airing January 29 shows that something’s not quite right between Fire ‘s Mouch ( Christian Stolte) and P.D. ‘s Platt ( Amy Morton ).

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.

The company was formed in 1891 through the merger of three firms that had salvaged property records following the Great Chicago Fire, and until the 1960s was the only legal title company operating in Cook County.

“This is not a crossover night. This is a three-hour film. This is a movie that happens to have all of your favorite One Chicago characters in it,” he dished to Us. “It is so large in scale, it is bigger than anything we’ve ever done. It is insanely impressive.”