Grantchester Season 4 Episode release dates & where to watch

1. Episode 1

Sidney and Geordie investigate when a man is stabbed during a talk by a Civil Rights activist, sparking racial tensions.

2. Episode 2

Sidney discovers he was the last person to see a woman alive during a drunken night while Geordie becomes increasingly alarmed at his friend's behaviour.

3. 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.

4. Episode 4

As Will is preparing to be installed as the new vicar Geordie persuades him to involve himself in a case involving a young uncommunicative boy with blood on his hands.

5. Episode 5

An unexpected phone call summons Will back home, and he asks Geordie for his help: Will's father has got himself into some trouble. When one vicious beating leads to a grisly murder at a sprawling ancestral home, scandal threatens to engulf the Davenport Family, and life will never be the same for Will again.

6. Episode 6 Finale

Will, reeling from his family tragedy and daunted by the choice he now faces, seeks distraction in Geordie's world. A curious new case unfolds: the murder of a Teddy Boy at a dance hall, which Geordie concludes is proof that the country's truly gone to the dogs.