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

Many One Chicago stars have crossed over between shows, but perhaps the most frequent character to do this is Desk Sergeant ...

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

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 ...

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

New episodes of Chicago Fire are available to stream the next day on Peacock, NBC's streaming service. The logline for the ...

This will be actor Darren Barnet's first crossover event in the "Chicago" universe, having joined "Chicago Med" as Dr. John ...

At least one of our beloved characters is going to end up in the hospital in the One Chicago crossover, airing on January 29.