April: You scared me.
Severide: I don't remember any of it.
April: Nothing?
Severide: Nothing.

Open up the ER.

Will

He claimed to be infected with something similar to Ebola.

Halstead

Do you wanna live, Jim?

Will

Open this door, New York.

Hannah

I know that I know it. I'm making sure you do.

Will

Sorry, but no one in or out 'til we know what we're dealing with.

Casey

You thought ebola was a nightmare. I am the apocalypse.

Terrorist

When I took this job, I didn't know we had to do our own maintenance work.

Will