Chicago Fire - Season 4 is excellent tv show from 2015. It is a pleasure for me to watch such a good tv show. If a tv show can keep me focused for the full tv show time, that's really great. Chicago Fire - Season 4 is definitely one of these tv shows that you can watch several times and always find something new, and something interesting. Whoever has not seen let it rush in front of the TV, because this tv show just has to be seen. I hope you're excited, so start watching it now!.