The effects of the supply chain shortages continue to impact the E.D. when Vanessa’s drug dealer reappears.

One of the victims of the recent train crash needs a transplant, forcing Crockett to improvise.

Charles and Nellie help a patient with amnesia.

Air Date: Wednesday, Oct. 19 (8-9 p.m. ET) on NBC.

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CHICAGO MED -- "Yup, This is The World We Live In" Episode 805 -- Pictured: Steven Weber as Dean Archer -- (Photo by: George Burns Jr/NBC/Universal)