Thu Feb 26 03:40:00 UTC 2026: ### Upstead Reunion Headlines One Chicago Crossover Event

The Story:
NBC’s One Chicago franchise is set to return on March 4, 2026, with a highly anticipated three-part crossover event featuring Chicago Med, Chicago Fire, and Chicago P.D.. The crossover will center around a dramatic incident involving a passenger jet and a larger, deadlier mystery. A key draw for viewers, known as “Chihards,” is the reunion of Chicago P.D. fan favorites, Detectives Jay Halstead (Jesse Lee Soffer) and Hailey Upton (Tracy Spiridakos), affectionately known as “Upstead.” The divorced couple will find themselves working together again amidst the chaos, with Upton now seemingly working for the FBI.

Key Points:
* The One Chicago crossover event airs on March 4, 2026, starting with Chicago Fire at 8/7c, followed by Chicago Med at 9/8c, and Chicago P.D. at 10/9c.
* Jesse Lee Soffer (Halstead) and Tracy Spiridakos (Upton) are returning to the franchise for the crossover.
* The crossover event involves a passenger jet emergency at an airfield, uncovering a dangerous mystery.
* Upton is shown working with the FBI, indicating her career path after leaving Chicago P.D..
* Promotional materials hint at a possible rekindling of the romance between Halstead and Upton.

Key Takeaways:
* The return of popular characters like Halstead and Upton is a strategic move to boost viewership for the One Chicago franchise.
* Crossover events remain a key programming strategy for NBC to maximize audience engagement across its Chicago-based dramas.
* Upton’s move to the FBI adds a new dimension to her character and potential future storylines.
* Fan interest in the “Upstead” relationship continues to be a significant driver of audience anticipation.

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