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.

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

The One Chicago night, as always, caps off with P.D. In “The Good Shepherd,” Intelligence makes a gruesome discovery that leads Torres ( Benjamin Levy Aguilar) to go undercover at the juvenile ...

The highly-anticipated three-hour crossover event known as One Chicago is extending fans a unique opportunity to participate ...

CHICAGO (WLS) -- Two people were injured in a fire at a high-rise on the city's North Side, sources told ABC7. The fire happened at about 6:49 a.m. at a high-rise building at State and Maple ...

P.D.' showrunner Gwen Sigan promises 'some really fun character pairings between all three shows that are unexpected.' ...

NBC's three One Chicago shows are coming together for the first time in five years on Jan. 29 The first One Chicago crossover ...

After a mid-season break, Chicago Fire is finally back on US screens. Alongside a whole host of other returning shows, Chicago Fire season 13 picks back up where it left off in its usual Wednesday ...

Dermot Mulroney as Chief Dom Pascal on Chicago Fire Season 13, Episode 9. Pic credit: Peter Gordon/NBCUniversal Chicago Fire is finally back with new episodes. The long winter hiatus has ended and ...