District 21 of the Chicago Police Department is made up of two distinctly different groups. There are the uniformed cops who patrol the beat and go head-to-head with the city's street crimes. And there's the Intelligence Unit, the team that combats the city's major offenses - organized crime, drug trafficking, high profile murders and beyond.

I love this show very much. I am in the fire department so I like watching Chicago Fire also. I agree with another user who commented about third watch it is the best show on Police officers out there. Even though Chicago PD is clearly a drama along with Chicago Fire they really make you jump out of your seat and think a lot. Third Watch is a drama that took place in NYC in the early 2000s, and had to deal with the FDNY, FDNY EMS, AND NYPD.

I highly recommend both Chicago Fire and Chicago PD, it is a very addictive show. Third Watch is just like it and is as awesome and intense! Rookie Blue is a show about Cops too, it takes place in Toronto but it reminds me of Chicago PD so much. Season 5 of Rookie Blue starts on May 19th and I can't wait!! It has been going since 2010 and is still going! I hope they go to make at least 8 seasons. I recommend all of these TV shows and all 4 of them have me hooked and I can't stop watching the episodes while they're playing. Chicago Fire and Chicago PD run through around September, October - May while Rookie Blue runs May- September! So it's year round of awesome TV shows.