One Chicago’s Heroes Face a Deadly Bacteria Taking Over the City (PHOTOS)

Meredith Jacobs October 10, 2019, 5:55 pm

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Chicago Fire - Season 8 — Sandy Morris/NBC

Taylor Kinney as Lt. Kelly Severide, Jesse Spencer as Matthew Casey, Kara Killmer as Sylvie Brett, Jesse Lee Soffer as Det. Jay Halstead in Chicago Fire - Season 8 — Matt Dinerstein/NBC

Severide, Casey, Brett, and Jay wait for news at Med.

Chicago Fire - Season 8 - Jesse Spencer as Matthew Casey and Kara Killmer as Sylvie Brett — Matt Dinerstein/NBC

Casey and Brett

Eamonn Walker as Battalion Chief Wallace Boden, Annie Ilonzeh as Emily Foster, Kara Killmer as Sylvie Brett in Chicago Fire - Season 8 — Matt Dinerstein/NBC

Boden (Eamonn Walker) wants answers.

Lisseth Chavez as Vanessa Rojas, Brian Tee as Dr. Ethan Choi in Chicago Med - Season 5, 'Infection Part II' — Liz Sisson/NBC

“Infection, Part 2” (*Chicago Med*)

Vanessa Rojas (Lisseth Chavez) and Ethan (Brian Tee)

Chicago Med- Season 5 — Liz Sisson/NBC

Atwater

Kara Killmer as Sylvie Brett, Annie Ilonzeh as Emily Foster in Chicago Med- Season 5, 'Infection Part II' — Liz Sisson/NBC

Brett and Foster (Annie Ilonzeh)

Oliver Platt as Dr. Daniel Charles, S. Epatha Merkerson as Sharon Goodwin, Jason Beghe as Sgt. Hank Voight in Chicago Med- Season 5 — Liz Sisson/NBC

Dr. Charles (Oliver Platt), Sharon (S. Epatha Merkerson), and Voight (Jason Beghe)

Chicago Med - Season 5 - Oliver Platt as Dr. Daniel Charles, Jason Beghe as Sgt. Hank Voight, Tracy Spiridakos as Det. Hailey Upton — Liz Sisson/NBC

Dr. Charles and Voight, with a possibly infected Hailey

Christian Stolte as Randy 'Mouch' McHolland and Amy Morton as Desk Sgt. Trudy Platt in Chicago P.D.- Season 7 — Matt Dinerstein/NBC

“Infection, Part 3” (*Chicago P.D.*)

Mouch (Christian Stolte) and Platt (Amy Morton)

Chicago P.D.- Season 7 — Matt Dinerstein/NBC

Jay, Voight, and Will

Marina Squerciati as Officer Kim Burgess, Patrick John Flueger as Officer Adam Ruzek in Chicago P.D.- Season 7 — Matt Dinerstein/NBC

Burgess and Ruzek (Patrick John Flueger) go over what they know.

Lisseth Chavez as Vanessa Rojas in Chicago P.D.- Season 7 — Matt Dinerstein/NBC

Vanessa Rojas (Lisseth Chavez)

Chicago P.D.- Season 7 - Annie Ilonzeh as Emily Foster and Christian Stolte as Randy 'Mouch' McHolland — Matt Dinerstein/NBC

‘Fire’ in the field

Chicago P.D.- Season 7 - Tracy Spiridakos as Det. Hailey Upton with a scope and rifle — Matt Dinerstein/NBC

Hailey’s ready.

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The heroes of One Chicago are banding together when a flesh-eating bacteria takes its toll on their city in a major crossover event.

Starting on Chicago Fire — it and Med are switching time slots for the occasion — the action will then move to the hospital drama and conclude with P.D.‘s manhunt. “Infection” should feel like a three-hour movie, with “a lot of crossover within the hour on all three shows,” Med EPs Diane Frolov and Andrew Schneider told TV Insider.

12 Things We Learned From One Chicago's 'Apocalyptic' Crossover Trailer (PHOTOS)

And as you can see in the photos in the gallery above from all three hours, there is plenty of that, with doctors, firefighters, paramedics, and cops tailgating when the crisis begins, together at the hospital, in a lab, and in the precinct, and more.

One Chicago Crossover Event, Wednesday, October 16, 8/7c, NBC