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 “ ...

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What did you think of the epic One Chicago crossover "In the Trenches"? Read our full review of the three-hour spectacle now.

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.

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

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

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

Uh-oh, what’s going on with one of our favorite — and most stable! — One Chicago couples?! TV Insider’s exclusive sneak peek ...

“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 ...