Season 9

01 Rattle Second City Episode 111th November 2020 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. 02 That Kind of Heat Episode 218th November 2020 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. 03 Smash Therapy Episode 313th January 2021 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. 04 Funny What Things Remind Us Episode 427th January 2021 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. 05 My Lucky Day Episode 53rd February 2021 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. 06 Blow This Up Somehow Episode 610th February 2021 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. 07 Dead of Winter Episode 717th February 2021 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. 08 Escape Route Episode 810th March 2021 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. 09 Double Red Episode 917th March 2021 Mouch, Gallo, Ritter and Mackey report for training. A nasty blow to the head brings Casey unimaginable pain. 10 One Crazy Shift Episode 1031st March 2021 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. 11 A Couple Hundred Degrees Episode 117th April 2021 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. 12 Natural Born Firefighter Episode 1221st April 2021 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. 13 Don't Hang Up Episode 135th May 2021 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. 14 What Comes Next Episode 1412th May 2021 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. 15 A White-Knuckle Panic Episode 1519th May 2021 Severide and Casey try to find the best fit for Kidd. Ritter, Gallo and Violet help plan an event for Mouch. 16 No Survivors Episode 1626th May 2021 The firehouse reacts to some exciting news, a mysterious stranger arrives and a shocking call takes Severide's breath away.