TMDb/Fire Country TV Fire Country Season 5 gets a new showrunner. Eric Guggenheim takes over the hit CBS firefighter drama as Tia Napolitano departs. March 15, 2026 AceShowbiz - Fire Country is preparing for its fifth season with a new showrunner at the helm. Eric Guggenheim, who has previously led Magnum P.I. as showrunner and co-showrun Hawaii Five-0, will take over the firefighter drama, according to Deadline. This leadership change comes shortly after CBS announced that Tia Napolitano, the current showrunner since the series launched in 2022, will not return for Season 5.