Season 4, Episode 1 October 13, 2015 Season 4, Episode 1 October 13, 2015 In the Season 4 premiere, Casey is placed in a dangerous situation while working undercover to bring down a trafficking ring being run out of Nesbitt's club; and the squad's high turnover rate results in an unwelcome surprise for Severide. Meanwhile, Casey's campaign hits a minor snag when his opponent criticizes him for wanting to be both a fireman and an alderman at the same time, and Dawson throws a party for Casey at Molly's. Severide follows up on Cruz's suspicions, wondering if Richter could have pushed McCormack off the ladder. A state attorney stops by 51 to see Boden about the Maddox case. Richter's ex confronts Severide about his report.
Also, Dawson receives heat at a previous call when she had an outburst at a citizen and was recorded. February 6, 2013 2013-02-06 114 6. In other events, Dawson recognizes that her life is about to change; a new candidate makes an unusual first impression; and residents band together to protest a drug den in their neighborhood. A new paramedic arrives to take Chili's spot, and he comes with a bad reputation. Meanwhile, Hermann testifies against Freddy about his near fatal stabbing.
Also, after Molly's receives a notice of closure following a code violation, Borrelli seeks the help from one of his construction friends to help get it back open. Archived from on June 10, 2015. Meanwhile, Casey receives a bribe in the mail and immediately turns it into the police but then later faces the Board of Ethics. Meanwhile, Hermann returns to 51 after his health scare, but his wife thinks it's too early for him to return. With the rescued victims in need of serious medical attention, the doctors and nurses of Chicago Med are tested as the major influx of patients are brought through their doors. Jimmy later finds Chili's apartment in disarray and she appears to be intoxicated.
Season 4, Episode 12 January 26, 2016 Season 4, Episode 12 January 26, 2016 Freddie's father begs Herrmann to forgive his son's assault; Casey discovers that a makeshift shelter housing people displaced by the tornado may close; Casey attends a fund-raiser at the request of an alderman; and Dawson and Brett experience repercussions after telling Boden about Chili's erratic behavior. March 11, 2014 2014-03-11 216 7. Later on, the tornado hits a Chicago neighborhood. Detective Wheeler later searches his home. Meanwhile, tensions continue with Captain Patterson which leads to Severide's father obtaining information that could bring Patterson down. Also, Brett and Cruz bring in Otis' grandmother in order to convince him to go to the hospital fearing the worst and Kidd pitches ideas for Molly's. Meanwhile, Casey has his first week as elected Alderman, Mouch begins to get cold feet when his wedding nears.
Also, Brett gets attached to a previous call. Dawson looks into an arson investigation that puts Boden in hot water. Meanwhile, following Chili's termination, Borelli is reassigned to ambulance 61 after a union rule pushes him out. Cruz: 100% Severide: Then that's how we file it. Also, the guys at 51 try to throw Mouch a bachelor party, but Trudy's half brother takes charge of it. Archived from on October 17, 2014. O'Shea February 6, 2019 2019-02-06 713 8.
In the fictional Chicago version, the men and women of Firehouse 51 must likewise rescue dozens of people from a burning factory. Chili's erratic behavior continues, and she calls out Borelli and almost kills a victim while at a call. Meanwhile, Firehouse 51 prepares for a terrorist threat in Chicago. Halstead to get it checked out. Richter admits he lied, but says he didn't push him, he fell. January 7, 2014 2014-01-07 211 6. Archived from on June 13, 2014.
Archived from on October 23, 2014. Brett tells Jimmy that she has a crush on him. Herrmann: I'll post a copy over at Molly's. Season 4, Episode 9 December 8, 2015 Season 4, Episode 9 December 8, 2015 Patterson fills in for Boden, who's trying to clear his name; Severide learns where Serena may be hiding; Herrmann and Otis give Freddie a job that keeps him close by; and Jimmy and Chili draw more attention then either bargained for. Patterson finds himself torn between leadership and his colleagues. Season 4, Episode 16 February 23, 2016 Season 4, Episode 16 February 23, 2016 Casey reconsiders his run for alderman after he's targeted by a propaganda campaign; the squad responds when a man is trapped inside of a burning car; Trudy's nerdy brother plans Mouch's bachelor party; and Jimmy and Brett investigate a kidnapping on their own. Severide deals with Detective Holloway's son who she keeps dropping off at the house, despite his apparent disinterest in fire fighters.
Archived from on January 5, 2018. Squad gets called to a neighboring firehouse to rescue a firefighter impaled by a post. Cruz and Otis try to replay what happened at the other firehouse. But from the relentless pressure of saving lives, an extended family is forged. Later, Dawson, Brett, and Chili have an idea to host their wedding at the firehouse, which Chief Boden at first doesn't agree with.
Otis has bad bruising on his back and hip and goes to Dr. O'Shea Director: Joe Chappelle February 2, 2016 4x13 Chicago braces for a large-scale threat; Chili's alcoholic past causes a rift inside 51; Casey confronts a shady politician. Meanwhile, Severide struggles with his new role, and Casey continues his investigation into Nesbitt. In other events, Dawson recognizes that her life is about to change; a new candidate makes an unusual first impression; and residents band together to protest a drug den in their neighborhood. Mouch: Pretty sure that's illegal. Dawson comforts Brett during an especially trying time.
Brett and her new partner, Ogle get called to an accident. A new firefighter, Stella Kidd Miranda Rae Mayo is introduced as the new member of Truck 81. They get called to a fire and think a kid is trapped inside, but its a cat. While on medical leave, Otis meets his temporary replacement fearing that it might be permanent. Also, Dawson helps Otis on how to find a date. Meanwhile, Severide continues to help strengthen Boden's case.