Watch Chicago Fire Online: Season 8 Episode 4

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Did everyone survive the latest #OneChicago crossover?

On Chicago Fire Season 8 Episode 4, a deadly bacteria took its toll on numerous victims around the city. 

Kim Helps Out - tall  - Chicago Fire Season 8 Episode 3

Chicago's first responders were pushed to their limit as they tried to contain the virus before it was too late. 

The CDC arrived on the scene to help resolve the situation in a timely manner. 

Casey's One-Night Stand - tall  - Chicago Fire Season 8 Episode 3

Meanwhile, a deadly fire at a local university made Severide wonder whether there was more happening than he first thought. 

Was there a conspiracy at play here?

Use the video above to watch Chicago Fire online right here via TV Fanatic. 

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Paul Dailly was an Associate Editor for TV Fanatic.Follow him on X.

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Chicago Fire Season 8 Episode 4 Quotes

When I was in med school, we had a unit on bacterial infections. The only thing that stopped me from wearing those Hazmat suits all day was these things weren’t contagious. If this thing is spread on contact – or even worse airborne – this entire city is going to drop like flies.


Cruz: I just mean, it’s just like we’re always working during the good stuff, and maybe I should just put in for furlough. That’s what I’ll do; I’ll put in for furlough. ‘Cuz you deserve some things.
Chloe: Joe, why are you acting weird?
Cruz: Weird. What weird? Who’s weird? I’m not acting weird.
Chloe: OK. I got to get to work before Schneiderman arrives. He’s watching me like a hawk.
Cruz: I get it. Of course, he wants to watch you. I love to watch you. Who wouldn’t?