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.
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 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
- Edwin Hodge as Rick Newhouse
- 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
| Episode | Summary | Writer, Director | Airdate | Number |
Let It Burn | Severide faces a demotion and the squad faces an angry mob. Truck 81 gets a new candidate. | Andrea Newman & Michael Gilvary Joe Chappelle | October 13, 2015 | 4x01 |
A Taste of Panama City | An Internal Affairs Bureau investigation threatens to tear the house apart. | Tiller Russell Sanford Bookstaver | October 20, 2015 | 4x02 |
I Walk Away | Dawson discovers a cover-up; Boden risks everything to clear Firehouse 51. | Sarah Kucserka & Veronica West Tom DiCillo | October 27, 2015 | 4x03 |
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. | Jill Weinberger Reza Tabrizi | November 3, 2015 | 4x04 |
Regarding This Wedding | 51 rescues a wedding party from a fiery dress rehearsal. | Michael A. O'Shea Joe Chappelle | November 10, 2015 | 4x05 |
2112 | Boden is accused of a horrific crime; a gang member seeks Cruz's help. | Ian McCulloch Holly Dale | November 17, 2016 | 4x06 |
Sharp Elbows | Boden attempts to get to the bottom of the conspiracy against him. | Tiller Russel & Liz Alper & Ally Seibert Dan Lerner | November 24, 2015 | 4x07 |
When Tortoises Fly | The motive behind the conspiracy against Boden is revealed. | Michael Gilvary Haze Bergeron | December 1, 2015 | 4x08 |
Short and Fat | Dawson becomes a conspiracy target; an act of violence changes 51 forever. | Michael Brandt & Derek Haas Joe Chappelle | December 8, 2015 | 4x09 |
The Beating Heart | Herrmann fights for his life after being stabbed. This is the first part of a three-hour crossover continuing in Malignant and Now I'm God. | Andrea Newman Reza Tabrizi | January 5, 2016 | 4x10 |
The Path of Destruction | A tornado wreaks havoc on Chicago and Firehouse 51. | Sarah Kucserka & Veronica West Drucilla Carlson | January 19, 2016 | 4x11 |
Not Everyone Makes It | Herrmann testifies against Freddie; Casey confronts a shady politician. | Tiller Russell Reza Tabrizi | January 26, 2016 | 4x12 |
The Sky is Falling | Chicago fears a large-scale threat; Casey tries to help the tornado victims. | Michael Brandt & Michael A. O'Shea Joe Chappelle | February 2, 2016 | 4x13 |
All Hard Parts | Severide reaches out to Chili; Casey makes a run for political office. The legendary Battle of the Badges takes place. | Jill Weinberger Sanford Bookstaver | February 9, 2016 | 4x14 |
Bad for the Soul | 51 welcomes a new firefighter; Borrelli joins Brett as a paramedic. | Andrea Newman & Michael Gilvary Jann Turner | February 16, 2016 | 4x15 |
Two T's | Casey's opponent plays dirty politics; Mouch has a bachelor party. | Derek Haas & Ian McCulloch Reza Tabrizi | February 23, 2016 | 4x16 |
What Happened to Courtney? | Severide begins a personal crusade to solve a cold case. | Matt Olmstead & Liz Alper & Ally Seibert Jeffrey Hunt | March 29, 2016 | 4x17 |
On the Warpath | Brett becomes a gunman's target after witnessing a murder. A wedding takes place at Molly's. | Sarah Kucserka & Veronica West Joe Chappelle | April 5, 2016 | 4x18 |
I Will Be Walking | Casey steps up to help a teenager being bullied by a gang. | Tiller Russell Sanford Bookstaver | April 19, 2016 | 4x19 |
The Last One for Mom | Firehouse 51 unites to help a young boy in tragic circumstances. | Matt Olmstead & Gwen Sigan Fred Berner | April 26, 2016 | 4x20 |
Kind of a Crazy Idea | Dawson decides to become a foster parent to a boy she saved in a fire. | Andrea Newman & Michael Gilvary Joe Chappelle | May 3, 2016 | 4x21 |
Where the Collapse Started | Tragedy strikes one of their own. | Sarah Kucserka & Veronica West Sanford Bookstaver | May 10, 2016 | 4x22 |
Superhero | Borrelli confronts Boden about his brother's death. | Ian McCulloch & Michael A. O'Shea & Derek Haas & Michael Brandt Michael Brandt | May 17, 2016 | 4x23 |
Notes
- The season picks up right where the season 3 finale left off. There is no time jump.
- The finale ends with a cliffhanger.