Overview

• The new trailer reveals that the Season 3 cliffhanger results in a major character death, setting an emotional tone for the coming episodes.
• Station 42 is shown facing suspension from active duty as a leadership struggle emerges, with Bode positioning himself for battalion chief and tensions rising with Jake.
• Billy Burke departs as a series regular, while Stephanie Arcila returns for the premiere before stepping away with the door open for future appearances, according to the producers.
• Shawn Hatosy joins in a new role conceived to evaluate troubled firehouses and challenge key figures at Station 42.
• Season 4 premieres Oct. 17 at 8 p.m. on CBS, streams the next day on Paramount+, then moves to 9 p.m. the following week as Sheriff Country debuts alongside with planned crossover ties.