|"The Last One for Mom"|
|Season 4, Episode 20|
|Air date||April 26, 2016|
|Written by|| Matt Olmstead|
|Directed by||Fred Berner|
"I Will Be Walking"
"Kind of a Crazy Idea"
The Last One For Mom is the twentieth episode in Season 4 of Chicago Fire.
Detective Holloway is shot and killed on the way to a hearing, leaving Severide in a very difficult position as he was the one watching her son. Casey receives a bribe in the mail but handing it into the police leads to him facing the Board of Ethics. Otis doesn't want to know his diagnosis.
- Taylor Kinney as Kelly Severide
- Jesse Spencer as Matthew Casey
- Monica Raymund as Gabriela Dawson
- David Eigenberg as Christopher Herrmann
- Yuri Sardarov as Brian "Otis" Zvonecek
- Eamonn Walker as Chief Boden
- Christian Stolte as Randy "Mouch" McHolland
- Joe Minoso as Joe Cruz
- Kara Killmer as Sylvie Brett
- Steven McQueen as Jimmy Borelli