In addition to the six new series it picked up on Thursday, NBC gave the green light to six more new shows on Friday afternoon, including a Chicago Fire spin-off about the Chicago Police Department and another cop procedural starring Blair Underwood. Get all the details on the Peacock network's new series below:Chicago PDDistrict 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...Read Full Story