when does the new season of the strain air?
Top Stories. âThe Strainâ Renewed For Fourth & Final Season By FX. The Strain, the vampire thriller drama from Carlton Cuse, Guillermo del Toro and Chuck Hogan, will conclude its run on FX next year. The cable network has given the series, which is midway through airing its third season, a renewal for a fourth and final season to air in summer 2017.