For over a decade, Chicago Fire has not only established itself as one of America’s most successful firefighting television series but has also become the foundation for a renowned television universe called One Chicago. Every Wednesday night on NBC, viewers can watch three closely linked series: Chicago Fire, Chicago P.D., and Chicago Med – a “power trio” that has maintained its appeal for millions of viewers over the years.
Of these, Chicago Fire is always considered the most important link, initiating the series and laying the groundwork for many stories, characters, and events that intersect across the three series.
The show that launched the entire One Chicago universe
Launched in 2012, Chicago Fire was the first series of the One Chicago franchise, developed by producer Dick Wolf. Set at Chicago Fire Department’s Firehouse 51, the series revolves around the lives of firefighters, rescue workers, and ambulance crews – people who are always willing to put their lives at risk to protect others.
The success of Chicago Fire quickly paved the way for the creation of Chicago P.D. in 2014, followed by Chicago Med in 2015. Since then, the three series have been built as a shared world, where characters frequently appear in each other’s series and work together to solve large-scale emergencies.
For over a decade, Chicago Fire has not only established itself as one of America’s most successful firefighting television series but has also become the foundation for a famous television universe called One Chicago. Every Wednesday night on NBC, viewers can watch three closely linked series: Chicago Fire, Chicago P.D., and Chicago Med – a “power trio” that has maintained its appeal for millions of viewers over the years.
Of these, Chicago Fire is always considered the most important link, initiating the series and laying the groundwork for many stories, characters, and events that intersect across the three series.
The show that launched the entire One Chicago universe
Launched in 2012, Chicago Fire was the first series of the One Chicago franchise, developed by producer Dick Wolf. Set at Chicago Fire Department’s Firehouse 51, the series revolves around the lives of firefighters, rescue workers, and ambulance crews – people who are always willing to put their lives at risk to protect others.
The success of Chicago Fire quickly paved the way for the creation of Chicago P.D. in 2014, followed by Chicago Med in 2015. Since then, the three series have been built as a shared world, where characters frequently appear in each other’s series and work together to solve large-scale emergencies.
Iconic Characters of Firehouse 51
Besides its spectacular action sequences, Chicago Fire captivates viewers with its richly developed characters.
Kelly Severide is a rescue expert who remains calm in the most dangerous situations. Stella Kidd, a young firefighter, has risen to become a highly capable officer and one of the most beloved characters in the series.
In addition, Firehouse 51 brings together many other familiar faces who together embody the spirit of unity, courage, and sacrifice – values that have helped Chicago Fire maintain its appeal for many years.

The film’s success stems from a balance between action and emotion. Stories of love, friendship, family, loss, and the pressures of the profession resonate with audiences, making Firehouse 51 a relatable experience. This balance between action and emotion is what gives the film its unique character. In particular, the relationship between Kelly Severide and Stella Kidd – dubbed “Stellaride” by fans – has become one of the most beloved love stories in the entire One Chicago universe.
One Chicago is a must-see on Wednesday nights.
For many years, Wednesday nights on NBC have been a familiar meeting point for One Chicago fans. The continuous broadcasts of Chicago Fire, Chicago Med, and Chicago P.D. offer a seamless experience, from breathtaking rescues and life-or-death emergency situations to dramatic crime investigations.
The close connection between the three shows not only allows viewers to follow a larger story but also creates a unique identity rarely seen on American television.
Entering its 15th season, Chicago Fire continues to be the flagship of the entire One Chicago franchise. With behind-the-scenes changes, the return of beloved characters, and many new stories waiting to be told, Firehouse 51 remains central to this television universe.
After more than a decade of broadcasting, Chicago Fire is more than just a show about firefighters. This is also the foundation of One Chicago, where ordinary people accomplish extraordinary things and where every Wednesday night, millions of viewers continue to follow the journeys of heroes in their firefighter, police, and medical uniforms.