archytele The Vault
Season guide

Sergeant Cork: Season 3

13 episodes Premiered Apr 4, 1964 Updated Nov 1, 2026
Previously on Sergeant Cork

Season 3 Lore Primer

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

  • ⚡ Directly follows the overarching narrative developments of Sergeant Cork Season 2.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season 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.

31%
69%
Mytharc (4): Crucial lore & season climaxes
Core (9): Character development & subplots
Side Quest (0): Standalone / filler
S3·E1 Mytharc

Case of the Two Poisons

Apr 4, 1964 · 48 min

Mary Briggs has just buried her husband so she can be with her lover Tony, son of Sir Roderick Trubshaw. Sgt. Cork gets a letter hinting at foul play and he discovers a number of b

S3·E2 Core

The Case of the Six Suspects

Apr 11, 1964 · 48 min

Cork and Marriott are called to the death of Stephen Lansing, the managing director of a prosperous gold mine in South Africa. The are six possible suspects but his wife Hester fle

S3·E3 Core

The Case of Big Ben Lewis

Apr 18, 1964 · 48 min

Six Lancashire Weavers are to be hanged for murdering Sir James Gilbert. Big Ben Lewis MP is fighting their case but his reputation is ruined when 'The Globe' prints a letter about

S3·E4 Core

The Case of the Amateur Spy

Apr 25, 1964 · 48 min

Clerk Henry Jones is found dead holding blue prints for a new weapon. With three key pages missing, Sgt. Cork is brought in to solve the mystery. Manager Mr. Woolmer was the only p

S3·E5 Core

The Case of the Elegant Mistress

May 2, 1964 · 48 min

Policemen hear shots coming from a house and find a wounded army office. Mrs. Sanders was once a wealthy lady but a bitter divorce has left her penniless. When arrested she refuses

S3·E6 Core

The Case of the Medicine Man

May 9, 1964 · 48 min

A priest known as "Brother Edward" is beaten up. Marriott learns that Edward offers healing to the poor and needy. Rev. Wales thinks Edward is putting himself in grave danger by he

S3·E7 Core

The Case of the Dumb Witness

May 16, 1964 · 48 min

Sgt. Cork returns to Whitechapel to help with a spate of burglaries. Supt. Leavis is unconvinced by his methods. When Mrs. Whitby's house is robbed he arrests Mike Good but he gets

S3·E8 Mytharc

The Case of the Monk's Hood Murder

May 23, 1964 · 48 min

Mrs. Marie Vincent makes a complaint that Dr. Sneddon murdered her husband. He says her husband died of consumption but fails to mention he has gambling debts. After Sneddon and hi

S3·E9 Core

The Case of the Penny Plains

May 30, 1964 · 48 min

Former actress Lily Sinclair has become a wealthy woman after the death of her army officer husband. When someone makes an attempt on her life, Bob Marriott is put on the case. He

S3·E10 Core

The Case of the Hero's Return

Jun 6, 1964 · 48 min

Bob Marriott is staying with Sir Hector Bundy when he receives a letter from his solicitor saying that his missing cousin, Freddie is claiming his title. Sir Henry invites him to h

S3·E11 Core

The Case of the Great Pearl Robbery

Jun 13, 1964 · 48 min

A registered package containing a pearl necklace worth £130,000 disappears between Paris and London. The necklace was sent to Paris but sale fell through. It was returned to London

S3·E12 Mytharc

The Case of the Killer's Mark

Jun 20, 1964 · 48 min

A courting couple find the body of a prostitute, in a derelict beach house. Her forehead is marked with a letter 'S'. Sgt. Cork thinks it's a temporary hiding place, so puts Marrio

S3·E13 Mytharc

The Case of the Cynical Traitor

Jun 27, 1964 · 13 min

Marriott goes undercover to find who is selling plans about a high velocity field gun, stolen from the War Office. The Minister only wants them to follow the blackmailer as they ha

Advertisement