Overview
- Mulroney told fans at Flashback Weekend over the weekend of Aug. 1–2 that he finished filming one final Season 15 episode and that writers will "write the character off," calling his departure sad after two seasons.
- Trade reports from Deadline and Variety say original cast member Joe Miñoso will appear in a handful of early Season 15 episodes to wrap his Joe Cruz storyline.
- Season 14 ended with a major cliffhanger that left multiple Firehouse 51 members in life‑threatening danger, and Season 15 now must resolve who survives without revealing on‑screen outcomes ahead of the Oct. 7 premiere.
- Production and creative shifts are visible: Victor Teran has been promoted to showrunner and new regulars such as Da'Vinchi are joining, changes that will shape how exits and the cliffhanger are dramatized.
- NBC has declined to comment publicly on the departures, fans and first‑responder communities have expressed strong reactions, and the exits could alter character arcs, cast dynamics, and viewer expectations for the new season.