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.."

Viewers are concerned about what happened to Trudy Platt during the Chicago Fire, PD, and Med Crossover event – did she survive or die? Portrayed by Amy Morton, she is a beloved character who serves as a sergeant of District 21’s Intelligence Unit.

The highly anticipated crossover event for the One Chicago shows arrives Wednesday, January 29. This is the first crossover since 2019 and fans are excited to see what happens when the first responders come together to save the city from another huge emergency. However, there's a slight schedule change to be aware of ahead of the crossover event.

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.