During the continuous breaking news coverage on NBC, the latest episode of “Chicago P.D.” was interrupted. The episode was ...

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

The following reveals major plot points from tonight’s NBC’s One Chicago crossover. NBC’s Chicago Med, Chicago Fire and ...

It's been five years since the last three-part Chicago Fire, Med, and P.D. crossover. This one did not disappoint.