
The highly anticipated trailer for One Chicago‘s 2025 crossover event has finally been released, setting the stage for an intense storyline involving multiple characters who find themselves trapped following a catastrophic train accident instigated by a gas explosion. This event, part of the One Chicago franchise encompassing popular shows such as Chicago Fire, Chicago Med, and Chicago P.D., highlights the heroic efforts of Chicago’s first responders—firefighters, paramedics, and police officers alike. Scheduled to air on January 29, this crossover will mark a significant return after a five-year hiatus from major collaborative episodes within the franchise.
The trailer, unveiled through TV Promos, evokes a sense of urgency as Chief Dom Pascal (Dermot Mulroney) and Lt. Kidd (Miranda Rae Mayo) coordinate rescue operations. With the stability of the building compromised, Pascal urgently calls for an evacuation. Concurrently, Kidd and Officer Adam Ruzek (Patrick John Flueger) find themselves trapped beneath the building amid the wreckage. Tension rises further when Lt. Severide (Taylor Kinney) anxiously searches for his wife, Lt. Kidd, intensifying the race against time to save those still in peril.
Implications for the One Chicago Universe
A Game-Changing Crossover Event for One Chicago





This upcoming crossover event signifies a pivotal moment for the One Chicago franchise, marking its first major collaboration since the previous “Infection” crossover in 2019-2020. The forthcoming three-part saga anticipates bringing together beloved characters from Chicago Fire, Chicago P.D., and Chicago Med to participate in a gripping rescue mission. The teaser suggests that this event is likely to result in transformative experiences for the characters involved, as they confront the challenges head-on.
Moreover, the production team behind One Chicago has highlighted the intricate planning required to bring this ambitious crossover to life. The successful collaboration between writers, directors, and cast members is aimed at crafting an unforgettable narrative that captivates the audience. As a cornerstone of NBC’s primetime programming, this crossover is expected not only to retain existing fans but also to attract new viewers eager to see how their favorite characters navigate this perilous situation.
Our Perspective on the One Chicago Crossover Comeback
Teasers Promise an Action-Packed Spectacle

After a lengthy absence of five years, the revival of the One Chicago crossover event brings excitement to fans. The glimpses offered in the images and trailers have set the stage for an exhilarating three-part episode, brimming with high-stakes action and poignant moments. Coordinating the narratives of three distinct series into a unified event is a substantial achievement. It’s evident that NBC is committed to delivering an electrifying experience for viewers. The true allure of this crossover lies in witnessing the evolution of these familiar characters as they confront their gravest challenges yet.
Source: NBC (via TV Promos)
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