Season 4 of Chicago Fire premiered on October 13, 2015 with the episode Let It Burn. This season consists of 23 episodes. Season 4 concluded on May 17, 2016 with Superhero.
Summary[]
At the start of the season, Severide is facing demotion after an incident during a fire. Casey, on the other hand, finds himself in a deadly situation as he continued helping the Chicago PD in taking down a former firefighter-turned-club owner and human trafficker. Dawson joins the OFI team and makes a discovery linking a corrupt real estate mogul to a series of fires. The 51 undertake a new candidate. Molly's is being threatened by a couple of Portland liberals.
Cast[]
Main Cast[]
- Jesse Spencer as Lieutenant Matthew Casey
- Taylor Kinney as Lieutenant Kelly Severide
- Monica Raymund as Firefighter Gabriela Dawson
- Kara Killmer as Paramedic In Charge Sylvie Brett
- David Eigenberg as Firefighter Christopher Herrmann
- Joe Minoso as Firefighter Joe Cruz
- Yuri Sardarov as Firefighter Brian "Otis" Zvonecek
- Christian Stolte as Firefigher Randy "Mouch" McHolland
- Dora Madison Burge as Paramedic Jessica "Chili" Chilton
- Steven R. McQueen as Firefigher Candidate Jimmy Borrelli
- Eamonn Walker as Battalion Chief Wallace Boden
Crossover Cast[]
- Jon Seda as Antonio Dawson
- Jason Beghe as Hank Voight
- Sophia Bush as Erin Lindsay
- Jesse Lee Soffer as Jay Halstead
- Patrick John Flueger as Adam Ruzek
- LaRoyce Hawkins as Kevin Atwater
- Marina Squerciati as Kim Burgess
- Amy Morton as Trudy Platt
- Brian Geraghty as Sean Roman
- Elias Koteas as Alvin Olinsky
- Samuel Hunt as Greg Gerwitz
- Barbara Eve Harris as Deputy Chief Emma Crowley
- Chris Agos as Assistant State's Attorney Steve Kot
- Nick Gehlfuss as Will Halstead
- Torrey DeVitto as Natalie Manning
- Yaya DaCosta as April Sexton
- Colin Donnell as Connor Rhodes
- Brian Tee as Ethan Choi
- Oliver Platt as Daniel Charles
- Rachel DiPillo as Sarah Reese
- Marlyne Barrett as Maggie Lockwood
Recurring Cast[]
- Randy Flagler as Firefighter Harold Capp
- Aiden and Austin Cohen as Louie Thompson
- Anthony Ferraris as Firefighter Tony Ferraris
- DuShon Monique Brown as Connie
- Brian White as Captain/Battalion Chief Dallas Patterson
- Miranda Rae Mayo as Firefighter Stella Kidd (from episode 15 onwards)
- Treat Williams as Benny Severide
- Melissa Ponzio as Donna Boden
- Robyn Coffin as Cindy Herrmann
- Rachel Nichols as Jamie Killian
- Ralph Rodriguez as Freddie Clemente
- Andy Ahrens as Danny Borrelli
- Brandon Jay McLaren as Danny Booker
- Jenny Mollen as Detective Bianca Holloway
- Holly Robinson Peete as Tamara Jones
- Lauren Stamile as Susan Weller
Episode List[]
| No. | Episode | Summary | Air date |
|---|---|---|---|
| 4x01 070 |
Let It Burn |
Severide faces a demotion and the squad faces an angry mob. Truck 81 gets a new candidate. | October 13, 2015 |
| 4x02 071 |
A Taste of Panama City |
An Internal Affairs Bureau investigation threatens to tear the house apart. | October 20, 2015 |
| 4x03 072 |
I Walk Away |
Dawson discovers a cover-up; Boden risks everything to clear Firehouse 51. | October 27, 2015 |
| 4x04 073 |
Your Day Is Coming |
Dawson clings to life after devastating pregnancy complications; Severide suspects an insider stole the missing arson files; the fight to save Molly's begins. | November 3, 2015 |
| 4x05 074 |
Regarding This Wedding |
51 rescues a wedding party from a fiery dress rehearsal. | November 10, 2015 |
| 4x06 075 |
2112 |
Boden is accused of a horrific crime; a gang member seeks Cruz's help. | November 17, 2015 |
| 4x07 076 |
Sharp Elbows |
Boden attempts to get to the bottom of the conspiracy against him. | November 24, 2015 |
| 4x08 077 |
When Tortoises Fly |
The motive behind the conspiracy against Boden is revealed. | December 1, 2015 |
| 4x09 078 |
Short and Fat |
Dawson becomes a conspiracy target; an act of violence changes 51 forever. | December 8, 2015 |
| 4x10 079 |
The Beating Heart |
Herrmann fights for his life after being stabbed. | January 5, 2016 |
| 4x11 080 |
The Path of Destruction |
A tornado wreaks havoc on Chicago and Firehouse 51. | January 19, 2016 |
| 4x12 081 |
Not Everyone Makes It |
Herrmann testifies against Freddie; Casey confronts a shady politician. | January 26, 2016 |
| 4x13 082 |
The Sky is Falling |
Chicago fears a large-scale threat; Casey tries to help the tornado victims. | February 2, 2016 |
| 4x14 083 |
All Hard Parts |
Severide reaches out to Chili; Casey makes a run for political office. The legendary Battle of the Badges takes place. | February 9, 2016 |
| 4x15 084 |
Bad for the Soul |
51 welcomes a new firefighter; Borrelli joins Brett as a paramedic. | February 16, 2016 |
| 4x16 085 |
Two T's |
Casey's opponent plays dirty politics; Mouch has a bachelor party. | February 23, 2016 |
| 4x17 086 |
What Happened to Courtney? |
Severide begins a personal crusade to solve a cold case. | March 29, 2016 |
| 4x18 087 |
On the Warpath |
Brett becomes a gunman's target after witnessing a murder. A wedding takes place at Molly's. | April 5, 2016 |
| 4x19 088 |
I Will Be Walking |
Casey steps up to help a teenager being bullied by a gang. | April 19, 2016 |
| 4x20 089 |
The Last One for Mom |
Firehouse 51 unites to help a young boy in tragic circumstances. | April 26, 2016 |
| 4x21 090 |
Kind of a Crazy Idea |
Dawson decides to become a foster parent to a boy she saved in a fire. | May 3, 2016 |
| 4x22 091 |
Where the Collapse Started |
Tragedy strikes one of their own. | May 10, 2016 |
| 4x23 092 |
Superhero |
Borrelli confronts Boden about his brother's death. | May 17, 2016 |
Notes[]
- The season picks up right where the season 3 finale left off. There is no time jump.
- The finale ends with a cliffhanger.