Chicago Fire has made a big cast change ahead of season 13. The show has lost some major stars in recent months. Get the ...

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.

In the US, it is marked as PG-13 or TV-14. All three ratings warn that there may be scenes that may be inappropriate for younger or pre-teen audiences. Chicago Fire is still on the air, and at the ...