<P> Chicago P.D. is an American television drama on NBC spun off from Chicago Fire . The series focuses on a uniformed police patrol and the Intelligence Unit that pursues the perpetrators of the city's major street offenses . The series premiered on January 8, 2014 . On May 10, 2017, NBC renewed the series for a fifth season, which premiered on September 27, 2017 . </P> <P> As of February 28, 2018, 99 episodes of Chicago P.D. have aired . </P>

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