One Chicago Wednesdays are back in about a month, and NBC has released a first-look trailer featuring new scenes across all three shows: Chicago Med , Chicago Fire , and Chicago P.D.

All three shows return on October 1, airing in the aforementioned order per usual (that has only switched in the events of crossovers). Med left off with a major question about Hannah’s ( Jessy Schram ) pregnancy, namely, who the father is. Fire saw some changes at 51 — the firehouse will be losing a few firefighters and gaining a new one — and Kidd ( Miranda Rae Mayo ) revealed to Severide ( Taylor Kinney ) she’s pregnant. And P.D. took down the corrupt deputy chief ( Shawn Hatosy ), but there were questions about Intelligence’s future after he opened an investigation into the unit. Plus,

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