Line of Duty follows the investigations of AC12, a controversial Police Anti-Corruption Unit.

  • 14A
  • 60 min
  • 2012
  • United Kingdom
  • English
  • Martin Compston,
  • Adrian Dunbar,
  • Vicky McClure,
  • Craig Parkinson

    WHEN TO WATCH

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SEASON 3

Ep 1

Police anti-corruption unit AC12 return for another thrilling investigation. Sergeant Danny Waldron and his armed response team shoot dead a hardened criminal, but soon cracks appear in their story. What are they hiding?

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Available On Demand Jan 01 2017 to May 31 2018

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SEASON 3

Ep 2

After the shooting at the drugs house, DC Kate Fleming uses her undercover role to increase the pressure on Danny Waldron's armed response unit. Meanwhile a previous AC12 investigation comes under legal scrutiny.

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Available On Demand Jan 01 2017 to May 31 2018

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SEASON 3

Ep 3

DS Steve Arnott believes there is a dark secret in Danny Waldron's past. But while DI Cottan is commended for cracking the Waldron case, the spotlight falls on Arnott's questionable conduct in a previous enquiry.

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Available On Demand Jan 01 2017 to May 31 2018

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SEASON 3

Ep 4

Fresh testimony launches AC-12 back on the trail of the Caddy, a corrupt officer with links to organized crime. But new disturbing evidence suggests the Caddy may reside within AC-12.

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Available On Demand Jan 01 2017 to May 31 2018

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SEASON 3

Ep 5

AC-12's loyalties are divided when DS Steve Arnott comes under scrutiny from his colleagues. With his career in jeopardy, Arnott turns to an unlikely source for help.

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Available On Demand Jan 01 2017 to May 31 2018

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SEASON 3

Ep 6

DS Steve Arnott is arrested on suspicion of murder but continues to protest his innocence. Does DC Kate Fleming's undercover operation hold the key to Steve's guilt and the identity of the Caddy?

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Available On Demand Jan 01 2017 to May 31 2018

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SEASON 4

Ep 1

DCI Roz Huntley is under intense pressure from her superiors to apprehend a murderer.

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Available On Demand Jul 25 2017 to Jun 30 2019

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SEASON 4

Ep 2

AC-12 crank up their investigation into Operation Trapdoor.

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Available On Demand Aug 01 2017 to Jun 30 2019

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SEASON 4

Ep 3

AC-12 wrestle with the new forensic evidence.

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Available On Demand Aug 08 2017 to Jun 30 2019

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SEASON 4

Ep 4

Roz's husband Nick is brough in for questioning by AC-12.

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Available On Demand Aug 15 2017 to Jun 30 2019

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SEASON 4

Ep 5

Roz struggles to allay her husband's suspicions. AC-12 find a new angle to pursue.

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Available On Demand Aug 22 2017 to Jun 30 2019

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SEASON 4

Ep 6

While Nick Huntley faces lengthy questioning, AC-12 remain convinced of Roz's involvement.

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Available On Demand Aug 29 2017 to Jun 30 2019

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