There's a shift in show order for the crossover event. “Chicago Fire” will air first at 8 p.m., followed by “ Chicago Med “ at 9 p.m., with “ Chicago P.D .” concluding the event at 10 p.m.

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

New episodes of Chicago Fire are available to stream the next day on Peacock, NBC's streaming service. The logline for the February 5 episode of Chicago Fire — Season 12, Episod

For this week only, One Chicago Wednesdays will kick off with Chicago Fire, followed by Chicago Med, then Chicago P.D. This marks the first crossover event for the Chicagos since

One Chicago is the franchise created by Dick Wolf for the broadcast network NBC. Founded in 2012 with Chicago Fire, millions of fans began following the stories of a group of firefighters, paramedics,