The current season of "Only Murders in the Building" is season 5, which premiered on September 9, 2025, and will run for 10 episodes until October 28, 2025. There is no official confirmation that this will be the last season of the show. The season continues the mystery with the investigation into the death of the doorman Lester, and new cases related to the Arconia building. The creators and cast have not definitively stated that season 5 will be the final season, so it is not confirmed to be the series end at this time.
In summary, season 5 is not officially the last season yet; the show is ongoing with the latest episodes releasing weekly.
