NBC’s One Chicago is airing its first crossover in five years tonight. Here’s how to watch the epic event featuring "Chicago Fire," 'Chicago Med," and "Chicago P.D.."

Chicago Fire, Chicago P.D., and Chicago Med are all coming together for the first time in five years for a crossover extravaganza. The teaser alone for this TV event will get your heart pumping. In it,

Heading into the three-part crossover event, fans were eager to find out which characters would be participating in the One Chicago crossover. It quickly became clear that the pla

It’s three hours of the One Chicago dramas tonight, Wednesday, Jan. 29. And this is not like the usual three-hour block. We have the One Chicago 2025 crossover event happening! Yes, we have what will feel like a three-hour movie tonight.