TV Chicago Fire - Season 8 Episode 4 : Infection (I) Chicago Fire - Season 8 Episode 4 : Infection (I) 8.403/10 by 2312 users A rare but deadly bacteria takes its toll on numerous victims around the city, leaving Chicago’s finest first responders to work together alongside the CDC to resolve the dangerous situation. Following a fire at a local university that ties into the outbreak, Severide has suspicions that something bigger is happening. The crossover continues on Chicago Med S05E04 Infection, Part II (II) and Chicago P.D. S07S04 Infection, Part III (III). Details Casts Posters Images Title Chicago Fire - Season 8 Episode 4 : Infection (I) Alternative Titles Chicago Fire : Caserne 51, 风城烈火, 芝加哥烈火群英, Chicago fire, שיקגו Fire, שיקגו פייר, آتشنشانی شیکاگو, Чикаго в огне First Air Date 2012-10-10 Last Air Date 2025-10-15 Number of Episodes 281 Number of Seasons 14 Genres Drama, Networks NBC, Casts Taylor Kinney, David Eigenberg, Joe Miñoso, Christian Stolte, Miranda Rae Mayo, Hanako Greensmith, Jocelyn Hudon, Brandon Larracuente, Dermot Mulroney Plot Keywords , Kelly Severide Taylor Kinney Christopher Herrmann David Eigenberg Joe Cruz Joe Miñoso Randy 'Mouch' McHolland Christian Stolte Stella Kidd Miranda Rae Mayo Violet Mikami Hanako Greensmith Paramedic Lyla 'Lizzie' Novak Jocelyn Hudon Sal Vasquez Brandon Larracuente Battalion Chief Dom Pascal Dermot Mulroney Episodes List Chicago Fire Season 8 :Episode 1 Sacred Ground Sacred Ground 2019-09-25 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 2 A Real Shot in the Arm A Real Shot in the Arm 2019-10-02 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 3 Badlands Badlands 2019-10-09 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 4 Infection (I) Infection (I) 2019-10-16 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 5 Buckle Up Buckle Up 2019-10-23 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 6 What Went Wrong What Went Wrong 2019-10-30 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 7 Welcome to Crazytown Welcome to Crazytown 2019-11-06 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 8 Seeing Is Believing Seeing Is Believing 2019-11-13 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 9 Best Friend Magic Best Friend Magic 2019-11-20 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 10 Hold Our Ground Hold Our Ground 2020-01-08 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 11 Where We End Up Where We End Up 2020-01-15 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 12 Then Nick Porter Happened Then Nick Porter Happened 2020-01-22 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 13 A Chicago Welcome A Chicago Welcome 2020-02-05 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 14 Shut It Down Shut It Down 2020-02-12 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 15 Off the Grid (I) Off the Grid (I) 2020-02-26 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 16 The Tendency of a Drowning Victim The Tendency of a Drowning Victim 2020-03-04 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 17 Protect a Child Protect a Child 2020-03-18 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 18 I'll Cover You I'll Cover You 2020-03-25 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 19 Light Things Up Light Things Up 2020-04-08 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and... Chicago Fire Season 8 :Episode 20 51's Original Bell 51's Original Bell 2020-04-15 An edge-of-your-seat view into the lives of everyday heroes committed to one of America's noblest professions. For the firefighters, rescue squad and...