One Chicago Plans 2026 Crossover Event for ‘Med,’ ‘Fire,’ & ‘P.D.’

The One Chicago Universe is set for an exciting reunion in 2026. NBC has announced a crossover event featuring the beloved series Chicago Med, Chicago Fire, and Chicago P.D. The event will premiere on March 4, 2026, airing from 8 to 11 p.m. ET/PT.
Event Details
The crossover will follow a specific airing order. Chicago Fire will kick off the evening’s programming, followed by Chicago Med, with Chicago P.D. concluding the event.
Official Logline
NBC released an official logline detailing the upcoming event:
- Firehouse 51 responds to an emergency at an airfield.
- A passenger jet goes silent mid-air, causing a crisis.
- The resulting investigation uncovers a larger, more dangerous mystery.
This mystery has the potential to affect lives far beyond the immediate incident.
Crossover History and Viewer Engagement
One Chicago crossovers have historically been popular among fans. However, they had been paused since 2019 due to the COVID-19 pandemic. The event successfully returned last season, reigniting viewer interest.
Viewership Statistics
The One Chicago franchise consistently ranks high on NBC’s Wednesday night lineup. It has maintained the top position for dramas in total viewers and among adults aged 18-49.
- Nearly 32 million viewers have engaged with the series across all platforms this season.
Production Details
Chicago Med, Chicago Fire, and Chicago P.D. are produced by Universal Television, part of Universal Studio Group, in collaboration with Wolf Entertainment. This partnership has played a significant role in the success of the One Chicago series.




