Title: List of Chicago P.D. episodes
Content:  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. The ninth season is premiered September 22, 2021.
Title: Chicago P.D. (TV series)
Content:  Chicago P.D. is an American police procedural action drama television series created by Dick Wolf and Matt Olmstead as a part of Wolf Entertainment's Chicago franchise. The series premiered on NBC as a mid-season replacement on January 8, 2014. The show follows the uniformed patrol officers and the Intelligence Unit of the 21st District of the Chicago Police Department as they pursue the perpetrators of the city's major street offenses. On February 27, 2020, NBC renewed the series for an eighth, ninth and tenth season. The eighth season premiered on November 11, 2020. The ninth season premiered on September 22, 2021.
Title: Chicago P.D. (season 9)
Content:  The ninth season of Chicago P.D., an American police drama television series with executive producer Dick Wolf, and producers Derek Haas, Michael Brandt, and Rick Eid was ordered on February 27, 2020, by NBC. The season premiered on September 22, 2021.
Title: Chicago P.D. (season 2)
Content:  The second season of Chicago P.D., an American police drama television series with executive producer Dick Wolf, and producers Derek Haas, Michael Brandt, and Matt Olmstead, began airing on September 24, 2014, at 10:00 p.m. Eastern/9:00 p.m. Central, and concluded on May 20, 2015 on the NBC television network. The season contained 23 episodes.
Title: Chicago P.D. (season 1)
Content:  The first season of Chicago P.D. aired on NBC from January 8, 2014, at 10:00 p.m. EST, to May 21, 2014.
Title: Chicago P.D. (season 7)
Content:  The seventh season of Chicago P.D., an American police drama television series with executive producer Dick Wolf, and producers Derek Haas, Michael Brandt, and Rick Eid, was ordered on February 26, 2019. The season premiered on September 25, 2019. On March 13, 2020, the production of the seventh season was suspended due to the COVID-19 pandemic.
Title: Chicago P.D. (season 6)
Content:  The sixth season of Chicago P.D., an American police drama television series with executive producer Dick Wolf, and producers Derek Haas, Michael Brandt, and Rick Eid, was ordered on May 9, 2018. The season premiered on September 26, 2018. The season concluded on May 22, 2019, and contained 22 episodes. This is the last season where Jon Seda plays Antonio Dawson.
Title: Chicago P.D. (season 3)
Content:  The third season of Chicago P.D., an American police drama television series with executive producer Dick Wolf, and producers Derek Haas, Michael Brandt, and Matt Olmstead, premiered on September 30, 2015 and concluded on May 25, 2016. The season contained 23 episodes.
Title: Chicago P.D. (season 4)
Content:  A crossover starting on Chicago Fire and concluding on Chicago PD aired on January 3, 2017. A three-way crossover between Chicago Fire, Chicago PD and the premiere of Chicago Justice aired on March 1, 2017, with heavy involvement from Chicago Med.
Title: Chicago P.D. (season 4)
Content:  The fourth season of Chicago P.D., an American police drama television series with executive producer Dick Wolf, and producers Derek Haas, Michael Brandt, and Matt Olmstead, premiered September 21, 2016 and concluded on May 17, 2017. The season contained 23 episodes.

Question: when is the new season of chicago pd?
Answer: September 27, 2017.