FALL FINALE

Gallo, Violet and Ritter debut their microbrewery business at Winterfest.

Brett prepares to present her paramedicine program to an oversight panel.

Firehouse 51 gets in the holiday spirit.

Air Date: Wednesday, Dec. 8 (09:00PM – 10:00PM) on NBC. 

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CHICAGO FIRE -- "Winterfest" Episode 1009 -- Pictured: (l-r) David Eigenberg as Christopher Herrmann, Christian Stolte as Mouch -- (Photo by: Adrian S. Burrows Sr./NBC)