Stronger together, the lifesaving heroes of Firehouse 51 face a season of extraordinary challenges that unite them all.
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.
Gallo makes a split-second decision during a 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.
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.
A call to a familiar location brings back mixed emotions for Severide. Herrmann heads out for a vacation and Casey is not thrilled with his replacement.
Mouch, Gallo, Ritter and Mackey report for training. A nasty blow to the head brings Casey unimaginable pain.
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.
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.
While Mouch makes an incredible save, all eyes are on a mystery man who helped save his neighbour. Casey, meanwhile, worries about his future at the CFD.
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.
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.
Severide and Casey try to find the best fit for Kidd. Ritter, Gallo and Violet help plan an event for Mouch.
The firehouse reacts to some exciting news, a mysterious stranger arrives, and a shocking call takes Severide's breath away.
Godfather Of Harlem
Queen Of The South
The Mysterious Benedict Society
Mare Of Easttown
Game Of Thrones
Motherland: Fort Salem
The White Lotus
The Good Doctor
American Horror Story: Double Feature
Gangs Of London
Tell Me Who I Am
DC's Legends Of Tomorrow
The Falcon And The Winter Soldier
A Discovery Of Witches