Chicago Fire Chicago Fire

Chicago Fire is showing no signs of cooling off. The hit NBC drama kicked off its third season with a buzzed-about premiere that featured the heartbreaking death of fan-favorite Lesley Shay (Lauren German). But although the show has definitely made fans cry, it has also made them sweat, whether it be because of a nail-biting, down-to-the-wire rescues or because of the show's extremely good looking cast.

TV's most heartbreaking deaths

So how does the crew create all those harrowing fires? And how well do the stars measure up against real firefighters? visited the show's Chicago set to uncover all that and more. In case you missed it, you can check out all the videos from our trip to Firehouse 51 below!

Chicago Fireairs Tuesdays at 10/9c on NBC