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

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.

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

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

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