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.

One Chicago is a hugely successful franchise thanks to its diverse characters whose stories are part of Chicago Fire, Chicago ...

T he One Chicago universe is about to experience an unprecedented crossover event, promising to be the most ambitious in the ...

NBC’s Chicago Fire has kept fans engrossed with its adrenaline-filled storylines for 12 seasons and counting. From rescue ...

After a decade of working together, it's no surprise that some colleagues develop friendships. That's the case with the ...

For this week only, One Chicago Wednesdays will kick off with Chicago Fire, followed by Chicago Med, then Chicago P.D. This ...

It's the One Chicago crossover, and all signs point to it being the biggest one yet. There is an unprecedented level of ...

NBC’s One Chicago airs its first crossover in five years tonight. Here’s how to watch the epic event featuring "Chicago Fire, ...

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

You know our friend David Eigenberg from “Chicago Fire” and “Sex and the City” and he’s back with us to talk about ...

O’Leary’s cow kicked over the lantern that allegedly started the Great Chicago Fire of 1871 has the Windy City seen the likes ...

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