'Grantchester' Season 4 Is Coming In 2019 Masterpiece officially announces that Grantchester will return to PBS for Season 4. There's just one catch, however. By Ani Bundel for Drama on 4/12/2018
'Grantchester' Season 4 Still Not Confirmed, Nor Is James Norton's Return While Grantchester's writers have run up against the limitations of the series, ITV is running up against the limitations of star James Norton's schedule. Something's gotta give. By Ani Bundel for Drama on 8/3/2017
