第 9 季 共 20 集
播出时间：2020年11月12日
第 1 集 Rattle Second City
播出时间：2020年11月12日
Firehouse 51 welcomes a new member to the team, whose presence could provide some complications. Brett's leadership shines during a scary call. Boden sees great potential in Kidd and proposes an idea that could have lasting repercussions.
第 2 集 That Kind of Heat
播出时间：2020年11月19日
Brett and Mackey find their lives in peril. Casey and Brett tread in unfamiliar territory. Severide chases a memory while Kidd adeptly solves a firehouse problem. Ritter puts himself in harms way during a harrowing call.
第 3 集 Smash Therapy
播出时间：2021年1月14日
A mishap on the aerial ladder in the midst of a fire rescue leaves Mouch shaken and questioning his abilities. Kidd looks for support from Severide while Casey and Brett discuss their future.
第 4 集 Funny What Things Remind Us
播出时间：2021年1月28日
While completing a task assigned by headquarters, Boden makes an unforeseen connection. Gallo is forced to make a surprise rescue to one of their own when the firehouse is called to the site of a construction explosion. Mouch reignites an old feud.
第 5 集 My Lucky Day
播出时间：2021年2月4日
When Firehouse 51 is called to the scene of a dangerous blaze inside a 10-story storage unit, Herrmann and Cruz find themselves trapped inside a freight elevator with all communications cut off.
第 6 集 Blow This Up Somehow
播出时间：2021年2月11日
Gallo makes a split-second decision during a dangerous fire rescue leaving Casey steaming that his direct orders were not obeyed. Kidd feels a strain in her relationship with Severide. Brett and Mackey find themselves searching for answers following a series of suspicious calls.
第 7 集 Dead of Winter
播出时间：2021年2月18日
A fire at a homeless encampment leaves Severide and Casey searching for answers. Cruz is shaken up after a close call. Ritter lends a helping hand to a victim.
第 8 集 Escape Route
播出时间：2021年3月11日
A call to a familiar location brings back mixed emotions for Severide. Herrmann heads out for a vacation. Casey is not thrilled with his replacement.
第 9 集 Double Red
播出时间：2021年3月18日
Mouch, Gallo, Ritter and Mackey report for training. A nasty blow to the head brings Casey unimaginable pain.
第 10 集 One Crazy Shift
播出时间：2021年4月1日
A series of suspicious fires sends 51 on a search for the cause. Casey continues down a troubling path. Mouch is looking to make his long-awaited dream come true.
第 11 集 A Couple Hundred Degrees
播出时间：2021年4月8日
A new recruit with ties to the CFD tests Serveride's patience. Violet receives a mysterious note that sends her and Brett on a hunt for the person who wrote it.
第 12 集 Natural Born Firefighter
播出时间：2021年4月22日
While Mouch makes an incredible save, all eyes are on a mystery man who helped save his neighbor. Casey worries about his future at the CFD.
第 13 集 Don't Hang Up
播出时间：2021年5月6日
A mysterious caller who is in danger relies on Kidd to help save her and her brother. The firehouse helps Cruz get ready for fatherhood.
第 14 集 What Comes Next
播出时间：2021年5月13日
A fire breaks out at a pet food factory and Casey and Severide help the owner, Pete, get to the bottom of it. The annual garage sale takes place at 51 and everyone is on edge.
第 15 集 A White-Knuckle Panic
播出时间：2021年5月20日
Severide and Casey try to find the best fit for Kidd. Ritter, Gallo and Violet help plan an event for Mouch.
第 16 集 No Survivors
播出时间：2021年5月27日
The firehouse reacts to some exciting news, a mysterious stranger arrives and a shocking call takes Severide's breath away.
第 17 集 Episode 17
播出时间：1970年1月2日
第 18 集 Episode 18
播出时间：1970年1月2日
第 19 集 Episode 19
播出时间：1970年1月2日
第 20 集 Episode 20
播出时间：1970年1月2日
