Episode 3 Geordie is called to investigate an apparent break-in at a computer laboratory. When the head of the lab keels over and dies from mercury poisoning, Geordie suspects foul play. Details Casts Videos Galleries Posters Season Lists Title Episode 3 Genres Crime Drama Mystery Release Date 2019-01-25 Episode Runtime 00 Hours 46 Minutes Season Number 4 Episode Number 3 Production Companies Kudos, Lovely Day Robson Green... Geordie Keating... Tom Brittney... Will Davenport... Al Weaver... Leonard Finch... Tessa Peake-Jones... Mrs. Maguire / Mrs. Chapm... Kacey Ainsworth... Cathy Keating... Skye Lucia Degruttola... Esme Keating... Nick Brimble... Jack Chapman... Bradley Hall... Larry Peters... James Norton... Sidney Chambers... Trailer (Trailer) Grantchester - Series 1 on DVD (Trailer) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (3200x1800) Original Size (3000x1688) Original Size (3840x2160) Original Size (1280x720) Original Size (1920x1080) Original Size (1920x1080) Original Size (3200x1800) Original Size (1920x1080) Original Size (3000x1688) Original Size (3840x2160) Original Size (2048x1152) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1280x720) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1280x720) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1280x720) Original Size (1920x1080) Original Size (2000x3000) Original Size (1440x2160) Original Size (2000x3000) Original Size (600x900) Original Size (1000x1500) Original Size (720x1080) Original Size (724x1024) Original Size (1680x2520) Original Size (537x800) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (500x750) Original Size (1175x1763) Original Size (1000x1500) Season 1 6 Episode(s) 2014-10-06 Season 2 6 Episode(s) 2016-03-02 Season 3 6 Episode(s) 2017-04-23 Season 4 6 Episode(s) 2019-01-11 Season 5 6 Episode(s) 2020-01-10 Season 6 8 Episode(s) 2021-09-03 Season 7 6 Episode(s) 2022-03-11 Season 8 6 Episode(s) 2024-01-11 Season 9 8 Episode(s) 2024-06-16