Get your first look at Grantchesters Christmas Special, coming soon to MASTERPIECE! See it Sunday, June 18th, 2017 at 98c on MASTERPIECE on PBS.brLearn more: | #GrantchesterPBS The crime-solving duo returns for Season 3 this summer. When we last left the sleepy village, Sidney .brIts the week before Christmas, 1954. Vicar Sidney Chambers is engrossed with holiday duties, but distracted by an impossible situation — how can a vicar and a .brbrA mysterious death and the unsettling appearance of a dead bird at the vicarage lead Sidney and Geordie down a dark path in Grantchester, Season 3, Episode .