Overview

• The new promo focuses on grief within the team, a search for a new battalion chief, and a suspension from active duty at Station 42.
• Producers explain that sharing the outcome ahead of the premiere was a deliberate choice rooted in authenticity and care for the character.
• Two original cast members exit as series regulars, with one set to appear in the Season 4 opener and possibly return later, according to producers.
• Shawn Hatosy boards the season in a new role described as an outside fixer who evaluates troubled stations and pushes them forward.
• CBS sets an Oct. 17 premiere with next‑day streaming on Paramount+, a shift to 9 p.m. the following week, and a coordinated launch with the Sheriff Country spinoff.