The best episode written by Michael A. O'Shea is "The Sky Is Falling", rated 8.8/10 from 9 user votes. It was "directed by Joe Chappelle". "The Sky Is Falling" aired on 2/2/2016 and is rated 0.2 point(s) higher than their second highest rated, "Chopper".
The team responds to a mass shooting; Casey investigates the missing money from the fund-raiser. Jimmy agrees to represent the firehouse in a boxing match against the Chicago PD's 21st District. Chili's behavior continues to be an issue for Brett.
Director: Joe Chappelle
Writer: Michael A. O'Shea
The members of the firehouse spring into action when a helicopter explodes over a populated area.
Director: Jann Turner
Writer: Michael A. O'Shea
While responding to a call in the field, Dawson accidentally hits a pedestrian who stepped in front of the ambulance, and is left to deal with the repercussions. Lt. Casey and Lt. Severide disagree and continue to investigate an arson case while Chief Boden is left to decide whether to attend an important function in New York. Elsewhere, in hopes of preparing him for a possible promotion, Lt. Casey puts Herrmann at the helm for a shift so he can discover firsthand what his superiors deal with.
Director: Dan Lerner
Writer: Michael A. O'Shea
An ice storm hits, forcing a citywide lockdown. Mills and Brett are left stranded in the elements while searching for a teen, and the firehouse members babysit a newborn. Elsewhere, Severide receives a job offer, and Chief Boden clashes with his father over his treatment.
Director: Reza Tabrizi
Writer: Michael A. O'Shea
Herrmann tries to rescue a toddler from a structure fire. Mills discovers unexpected news.
Director: Karyn Kusama
Writer: Michael A. O'Shea
When the squad's rig breaks down in the field, Casey reunites with his old friend and colleague Jason Kannell from Squad 6. Dawson and Brett serve their time in retraining. Severide tries to remedy what is going on with Anna and finds support from unlikely sources. As Connie returns from her family engagement, the crew lays bets on how long her temporary replacement Marcy will last.
Director: Reza Tabrizi
Writer: Michael A. O'Shea
Severide faces some major adversity and Kidd is on a mission to help in any way she can. Following a car accident rescue involving a teenage girl and her young sister, a suspicious Brett has an unsettling feeling there is more to the story than what appears on the surface.
Director: Olivia Newman
Writer: Michael A. O'Shea
Chief Boden becomes increasingly skeptical of Assistant Deputy Commissioner Gorsch's motives, while Severide gets wrapped up in a difficult situation following the rescue of a child from a car wreck. Trying to fit in with the rest of the firehouse, Foster is tasked with doling out some personal advice to Cruz.
Director: Eric Laneuville
Writer: Michael A. O'Shea
Members of Firehouse 51 are dismayed to learn their boundaries have been redrawn to overlap with an adjacent station and problems quickly arise. Casey and Gallo hunt a missing piece of equipment. Brett and Foster find themselves at odds. Mouch tries the find the recipient of a mysterious letter he discovers.
Director: Matt Earl Beesley
Writer: Michael A. O'Shea
Boden offers to host a wedding at the firehouse after a fire destroys the original location, but it doesn't sit well with Chief Riddle, who also butts heads with Dawson over her ability to perform. Severide fights for his old position. Capt. Patterson finds himself torn between leadership and his colleagues.
Director: Joe Chappelle
Writer: Michael A. O'Shea
When a turf war escalates, members of truck and squad find themselves caught in the middle as unsuspecting hostages when a group of armed gang members take cover and assume control over Firehouse 51.
Director: Reza Tabrizi
Writer: Michael A. O'Shea
While running a secret errand, Dawson finds herself trapped in a collapsed parking structure. With all paths of exit blocked, she is forced to improvise and works double-duty to keep a number of injured individuals alive while trying to maintain peace among those trapped. Meanwhile, pressure is mounting on Casey as he begins to take on additional duties, Kidd grows increasingly skeptical of Hope after learning about rumors circulating and the firehouse receives a surprise visitor.
Director: Matt Earl Beesley
Writer: Michael A. O'Shea
After responding to a time-sensitive rescue, Casey and Severide don't see eye to eye on the best course of action. Herrmann struggles to entertain his daughter on "bring your child to work day." Brett is joined by a surprise guest during a spa getaway, courtesy of Dawson, while Kidd's social life gets a boost.
Director: Reza Tabrizi
Writer: Michael A. O'Shea
After responding to a residential fire at a property belonging to a Mexican drug cartel, Casey is skeptical of Cordova after a hefty amount of money was found missing from the crime scene. Elsewhere, Kidd makes a big decision.
Director: Eric Laneuville
Writer: Michael A. O'Shea
In response to a call involving a residential fire, Otis and Kidd's lives are suddenly put in jeopardy when gunfire goes off inside the house. Dawson comforts Brett during an especially trying time. Meanwhile, Casey begins to notice that romance might be going on within the firehouse.
Director: Reza Tabrizi
Writer: Michael A. O'Shea