One Chicago Crossover Event Brings Back Beloved Characters

NBC's hit 'One Chicago' franchise returns with a high-stakes three-hour special after a break for the Winter Olympics.

Published on Feb. 23, 2026

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Fans of the 'One Chicago' franchise, including Chicago Fire, Chicago Med, and Chicago P.D., will have to wait a bit longer for new episodes as NBC pauses the shows to air coverage of the 2026 Winter Olympics. However, there's good news - the beloved characters of Detectives Halstead and Upton will return in a thrilling three-hour crossover event on March 4th. The special will focus on a mysterious incident involving a passenger jet that loses communication mid-flight, uncovering a larger and more dangerous mystery that threatens numerous lives.

Why it matters

The 'One Chicago' franchise has a devoted fan base, and the return of popular characters like Halstead and Upton is sure to excite viewers. The high-stakes crossover event also highlights the interconnected nature of the 'One Chicago' shows and their ability to tackle complex, suspenseful storylines that span multiple series.

The details

The three-hour 'One Chicago' crossover event will air on March 4th from 8:00-11:00 p.m. ET on NBC. It will feature characters from all three shows - Chicago Fire, Chicago Med, and Chicago P.D. - working together to investigate the mysterious incident involving the passenger jet. The event will also see the return of former Chicago P.D. stars Tracy Spiridakos as Detective Hailey Upton and Jesse Lee Soffer as Detective Jay Halstead.

  • The 'One Chicago' franchise is on a break due to NBC's coverage of the 2026 Winter Olympics.
  • The three-hour crossover event will air on Wednesday, March 4, 2026 from 8:00-11:00 p.m. ET on NBC.
  • New episodes of the 'One Chicago' shows will be available for next-day streaming on Peacock and NBC.com starting Thursday, March 5, 2026.

The players

Tracy Spiridakos

An actress who portrayed Detective Hailey Upton on the NBC series Chicago P.D.

Jesse Lee Soffer

An actor who portrayed Detective Jay Halstead on the NBC series Chicago P.D.

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What’s next

Viewers can expect new episodes of Chicago Fire, Chicago Med, and Chicago P.D. to resume on Thursday, March 5, 2026, with episodes available for streaming on Peacock and NBC.com.

The takeaway

The highly anticipated 'One Chicago' crossover event promises to deliver a thrilling and suspenseful storyline that will keep fans on the edge of their seats. The return of beloved characters like Halstead and Upton adds to the excitement and underscores the enduring popularity of this interconnected franchise.