The highly anticipated crossover event for the One Chicago shows arrives Wednesday. 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.

There's an explosion near a government building, which causes the ensemble casts of all three One Chicago shows to arrive on the scene. There are injured and trapped victims all a

The highly-anticipated three-hour crossover event known as One Chicago is extending fans a unique opportunity to participate in the drama from the comfort of their own homes. NBC’s special TV event, which brings together the storylines and characters of Chicago Fire,