Chicago Med (2015)

S10E11 In the Trenches (II)

After the subway tunnel collapses, Ruzek and Kidd rush to assist the injured passengers and hunt for the escaped suspect. Meanwhile, Archer and Frost carry out a critical amputation to save a life. The crossover begins with Chicago Fire Season 13, Episode 11, titled "In the Trenches (I)," and continues in Chicago P.D. Season 12, Episode 11, "In the Trenches (III)."