One Chicago fans are getting an inside look at their favorite shows — Chicago Fire , Chicago P.D. , and Chicago Med — with a new weekly podcast on Thursdays. The first two episodes of the One Chicago Podcast dropped on Thursday, September 18 — the perfect way to gear up for the franchise’s return on Wednesday, October 1 — and one of the guests was Chicago Fire‘s David Eigenberg , who shared some things we haven’t seen onscreen.

While sitting down with Brian Luce, a former Chicago police officer who is a Chicago P.D. producer and technical consultant, Eigenberg was asked about what the show’s gotten right that makes it so special. “We get it right a lot,” Eigenberg replied. “We got it right once when they didn’t show it in the show.”

He then detailed something that the cast starte

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