Mayor of Kingstown Season 4 premieres Oct 26, 2025 as Mike faces rivals

Jeremy Renner returns as Mike McLusky and the fragile order of Kingstown is set to collapse when Mayor of Kingstown Season 4 premieres Sunday, October 26, 2025, on Paramount. The studio released an official trailer ahead of the launch that frames the new season as a contest for control of the town after the Russians' fall, with fresh players, a brewing gang war, and a high-stakes clash inside the prison system.

The trailer and the season logline make clear that Mike's authority is under direct threat. Rival factions move to fill the power vacuum left by the Russians, forcing Mike to confront escalating violence and protect his family and allies. His brother Kyle appears headed to prison following Season 3, setting up a central conflict with the prison system and its new leadership. In the trailer, Mike warns Kyle, "The only time you're going to be safe is when you're in your cell," underscoring the peril that follows Kyle's incarceration.

Season 4 introduces Edie Falco as Warden Nina Hobbs, whose arrival creates a head-on collision with Mike's efforts to manage Kingstown from both outside and inside the prison. Lennie James joins the cast as Frank Moses, a long-established...