The twelfth season of Chicago Fire, an American drama television series with executive producer Dick Wolf, and producers Derek Haas and Matt Olmstead, was ordered on April 10, 2023, by NBC.[1] The season premiered on January 17, 2024.[2] The season concluded on May 22, 2024 and contained 13 episodes.[3] The season was affected by strikes undertaken by the Writers Guild of America (which began on May 2 and ended on September 27)[4] and SAG-AFTRA (which began on July 14 and ended on November 9).