archytele The Vault
Season guide

Grantchester: Season 3

6 episodes Premiered Apr 23, 2017 Updated Sep 29, 2026
Previously on Grantchester

Season 3 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of Grantchester Season 2.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
Advertisement
Advertisement
Season 3 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 3 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 3: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

50%
50%
Mytharc (3): Crucial lore & season climaxes
Core (3): Character development & subplots
Side Quest (0): Standalone / filler
S3·E1 Mytharc

Episode 1

Apr 23, 2017 · 46 min

When Sidney Chambers begins receiving sinister anonymous phone calls, he realises he is connected to a series of murders targeting respected figures in the community. Leonard bonds

S3·E2 Core

Episode 2

Apr 30, 2017 · 46 min

When several villagers become ill at the local cricket match, Geordie and Sidney must determine if it was an accident, or something more sinister.

S3·E3 Core

Episode 3

May 7, 2017 · 46 min

Sidney and Geordie struggle to determine the connection between a murder and a number of post office robberies.

S3·E4 Core

Episode 4

May 14, 2017 · 46 min

When a young woman's death is covered up, Sidney and Geordie try to hold those responsible accountable for their actions.

S3·E5 Mytharc

Episode 5

May 21, 2017 · 46 min

Sidney arrives at a Romany camp, but when someone is killed, he is prime suspect.

S3·E6 Mytharc

Episode 6

May 28, 2017 · 46 min

When a little boy is abducted, personal pressures on Sidney and Geordie come to a head.

Advertisement