The first episode of Chicago Fire aired on NBC, introducing viewers to the lives of firefighters and paramedics at Firehouse 51 in Chicago.
NBC announced a spin-off series called Chicago P.D., expanding the Chicago franchise to focus on the city's police department.
Chicago Fire won the People’s Choice Award for Favorite New TV Drama, marking a significant recognition for the series.
NBC introduced Chicago Med, further expanding the interconnected universe of Chicago-based shows.
NBC renewed Chicago Fire for its ninth season, highlighting the show's continued popularity and longevity.
The series reached the milestone of airing its 200th episode, showcasing its enduring presence on television.
NBC announced the renewal of Chicago Fire for its twelfth season, confirming the show's ongoing success.
Firehouse 51 begins operations as one of the busiest firehouses in Chicago, setting the stage for the series.
Matthew Casey transfers to Firehouse 51, becoming a central figure in the team dynamics.
Kelly Severide is promoted to lieutenant, taking on leadership responsibilities in Rescue Squad 3.
Joe Cruz decides to pursue becoming a paramedic, expanding his role within the firehouse.
The firefighters respond to a massive fire and save a family, showcasing their bravery and teamwork.
Kelly Severide investigates the mysterious death of his father, which deeply affects him emotionally.
Leslie Shay is killed in an ambulance accident, marking a significant emotional turning point for the crew.
Joe Cruz and Randy 'Mouch' McHolland officially become paramedic partners, strengthening their teamwork.
Kelly Severide heroically rescues a child from a dangerous blaze, earning recognition.
Due to budget cuts, Firehouse 51 is at risk of being shut down, causing worry among the firefighters.
Casey proposes to Gabriela Dawson, marking a significant personal milestone for both characters.
A catastrophic fire at the station results in the death of Captain Matthew Casey, deeply affecting the team.
Following Captain Boden’s death, a new captain steps in to lead the firehouse through recovery.
The firefighters battle a dangerous fire in a high-rise building during the holiday season, showcasing their dedication.
Kelly Severide and Stella Kidd start a romantic relationship, providing new character dynamics.
The firehouse upgrades with new firefighting gear and technology to improve their operations.
A ceremony is held to celebrate the building of a modern new firehouse for Station 51, symbolizing renewal.
