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Season guide

Spooks: Series 10

6 episodes Premiered Sep 18, 2011 Updated Sep 26, 2026

In the tenth and final series, secrets tumble out when former foes of Harry Pearce during the Cold War fly into London to negotiate a partnership between Russia and the UK.

Previously on Spooks

Season 10 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 Spooks Season 9.
  • ⚡ 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.

Season overview

In the tenth and final series, secrets tumble out when former foes of Harry Pearce during the Cold War fly into London to negotiate a partnership between Russia and the UK.

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Season 10 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 10 Progress Shield

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

Season 10: 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
S10·E1 Mytharc

Garden Leave

Sep 18, 2011

The team has been left shocked by Lucas's betrayal, and with Harry Pearce on gardening leave, Section D has a new leader called Erin Watts. She has brought Calum Reed with her into

S10·E2 Core

Stolen Laptop

Sep 25, 2011

Calum is attacked by a gang of street muggers during a routine intelligence-sharing exercise with MI6. The laptop he was carrying is stolen, and contains highly-classified informat

S10·E3 Core

Dirty Bomb

Oct 2, 2011

MI5 receives a red flash: radioactive material has been detected at an airport. They have intelligence that a highly dangerous anarchist with a penchant for dirty bombs has secretl

S10·E4 Core

Suicide Bomber

Oct 9, 2011

Two former inmates are released from jail. One is an undercover MI5 asset and the other is an impressionable wannabe suicide bomber who has been radicalised in prison. They are set

S10·E5 Mytharc

Kidnap

Oct 16, 2011

There is new evidence of CIA agent Jim Coaver's involvement in some recent attacks on MI5. Harry ends up kidnapping his former Cold War colleague but soon ends up realising that he

S10·E6 Mytharc

Deportation

Oct 23, 2011

Harry finds himself facing deportation to America following the death of CIA agent Jim Coaver. After some new evidence comes to light about the recent attacks on the United Kingdom

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