Episode #8.2 - S8-E2
Other mistake: Paulie takes off his blood-soaked shirt at the laundry. His undershirt is clean. It should also be covered in blood.
Grantchester (2014)
1 mistake in Episode #8.2 - chronological order
Starring: James Norton, Morven Christie, Robson Green, Tessa Peake-Jones
Episode #7.5 - S7-E5
Trivia: The Matron is called Fletcher. Louise Fletcher played the chief nurse (and a similar character) in "One Flew Over the Cuckoo's Nest."