NBC Announces 2025 One Chicago Crossover Event Date
NBC has announced that the One Chicago crossover event, featuring Chicago Med, Chicago Fire, and Chicago P.D., will premiere on January 29 from 8-11 p.m. ET/PT. This marks the first major crossover for the franchise since 2019. The episode will follow Chicago's first responders as they tackle a gas explosion in a high-rise, with a subplot involving a rescue mission for 40 people trapped underground. The event is described as a three-hour action movie, requiring extensive coordination across the series' teams.






