GRANTCHESTER, Season 8, premieres July 9 byAdmin23 •July 02, 2023 GRANTCHESTER, Season 8, premieres on Sunday, July 9 at 9/8C on PBS Masterpiece Grantchester returns with Will (Tom Brittney ) happily married to Bonnie (Charlotte Ritchie ), and Geordie (Robson Green) and Cathy (Kacey Ainsworth)…