23 Available, 23 Aired
Last Aired S04E06 on Apr 30, 2017
23 episodes available of 23 aired
8.0 (25 Ratings)
60 Min

Steve Arnott is a young officer who’s fallen foul of his superiors for refusing to help in the cover-up of an operation that ended in the shooting of an innocent father. He seems ideal to join AC-12, an anti-corruption police unit, just as it starts to investigate Detective Chief Inspector Tony Gates, the regional force’s Officer of the Year.

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Show Keywords: dirty cop, anti-corruption
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All Line of Duty (2012) Episodes

Line of Duty Seasons

  1. Watch Line of Duty Season 4 S04
    6 of 6 Ep. Available 2017
  2. 6 of 6 Ep. Available 2016
  3. 6 of 6 Ep. Available 2014
  4. 5 of 5 Ep. Available 2012

Line of Duty Episodes

  1. 6 Watch Line of Duty S04E06 online - Episode 6
    Available Aired on Apr 30, 2017
  2. 5
    Available Aired on Apr 23, 2017
  3. 4
    Available Aired on Apr 16, 2017
  4. 3
    Available Aired on Apr 09, 2017
  5. 2
    Available Aired on Apr 02, 2017
  6. 1
    Available Aired on Mar 26, 2017
  1. 6
    Available Aired on Apr 28, 2016
  2. 5
    Available Aired on Apr 21, 2016
  3. 4
    Available Aired on Apr 14, 2016
  4. 3
    Available Aired on Apr 07, 2016
  5. 2
    Available Aired on Mar 31, 2016
  6. 1
    Available Aired on Mar 24, 2016
  1. 6
    Available Aired on Mar 19, 2014
  2. 5
    Available Aired on Mar 12, 2014
  3. 4
    Available Aired on Mar 05, 2014
  4. 3
    Available Aired on Feb 26, 2014
  5. 2
    Available Aired on Feb 19, 2014
  6. 1
    Available Aired on Feb 12, 2014
  1. 5
    Available Aired on Jul 24, 2012
  2. 4
    Available Aired on Jul 17, 2012
  3. 3
    Available Aired on Jul 10, 2012
  4. 2
    Available Aired on Jul 03, 2012
  5. 1
    Available Aired on Jun 26, 2012

Watch Line of Duty season 4 episode 6 (S04E06)

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

Watch Line of Duty season 4 episode 5 (S04E05)

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DCI Roz Huntley struggles to allay her husband's suspicions. AC-12 find a new angle to pursue their case against her.

Watch Line of Duty season 4 episode 4 (S04E04)

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Roz's husband Nick is brought in for questioning by AC-12. But while Nick denies any involvement in Steve's attack, his suspicions about Roz mount. Meanwhile, AC-12 discover new anomalies in the forensic evidence and issue DCI Roz Huntley with a second Reg 15 notice. AC-12's case appears watertight until Roz starts dismantling their evidence with inside information of her own.

Watch Line of Duty season 4 episode 3 (S04E03)

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As AC-12 wrestle with the new forensic evidence casting doubt over Tim Ifield, Kate is approached by another woman claiming to have been assaulted by Michael Farmer.

Watch Line of Duty season 4 episode 2 (S04E02)

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A dismembered body is discovered, and worries grow when DCI Roz Huntley fails to report for duty. AC-12 crank up their investigation into Operation Trapdoor, concerned that Michael Farmer will go to jail for crimes he didn't commit. With suspicions that Roz may have withheld crucial evidence, a new DCI is drafted in to run Operation Trapdoor. Kate makes progress in her undercover role, but AC-12's investigation falters when they realise that their main informant, forensic investigator Tim Ifield, has also gone missing.

Watch Line of Duty season 4 episode 1 (S04E01)

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DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation. When another young woman is abducted, Roz is on the scene to track down and charge a 24-year-old man. But doubts around the young man's guilt lead the chief forensic investigator to ask AC12 to investigate. Is Roz ignoring forensic evidence that might prove the young man's innocence? AC12's Supt Hastings, places DS Kate Fleming undercover inside Roz's team to dig deeper into the case. With DS Steve Arnott piling on pressure from the outside, Roz is forced to act decisively. A mother of two and wife to Nick, Roz will do anything to stop her life from unravelling.

Watch Line of Duty season 3 episode 6 (S03E06)

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DS Steve Arnott is arrested on suspicion of murder but continues to protest his innocence.

Watch Line of Duty season 3 episode 5 (S03E05)

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Loyalties are divided when DS Steve Arnott comes under scrutiny from his colleagues.

Watch Line of Duty season 3 episode 4 (S03E04)

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Fresh testimony launches AC-12 back on the trail of a corrupt officer.

Watch Line of Duty season 3 episode 3 (S03E03)

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DS Steve Arnott believes there is a dark secret in Danny Waldron's past.

Watch Line of Duty season 3 episode 2 (S03E02)

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After the shooting at the drugs house, DC Fleming increases the pressure on Danny Waldron.

Watch Line of Duty season 3 episode 1 (S03E01)

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Sergeant Danny Waldron and his armed response team shoot dead a hardened criminal.

Watch Line of Duty season 2 episode 6 (S02E06)

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AC12's investigation finally exposes a vicious criminal gang run from within the police.

Watch Line of Duty season 2 episode 5 (S02E05)

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Lindsay fights for her life against the conspiracy of corrupt police officers.

Watch Line of Duty season 2 episode 4 (S02E04)

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Lindsay is granted special dispensation to visit her dying mother.

Watch Line of Duty season 2 episode 3 (S02E03)

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Lindsay is denied bail and finds herself targeted in prison.

Watch Line of Duty season 2 episode 2 (S02E02)

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AC12's Kate Fleming is planted undercover in Lindsay Denton's Missing Persons Unit.

Watch Line of Duty season 2 episode 1 (S02E01)

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A brutal ambush on a police convoy leaves three officers dead.

Watch Line of Duty season 1 episode 5 (S01E05)

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With Gates on the run, the anti-corruption team come under pressure to close the case.

Watch Line of Duty season 1 episode 4 (S01E04)

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Desperate for proof of Gates's corruption, Fleming pushes their relationship to the limit.

Watch Line of Duty season 1 episode 3 (S01E03)

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Arnott is convinced Gates played a part in Jackie's disappearance.

Watch Line of Duty season 1 episode 2 (S01E02)

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Having been duped into covering up Jackie's crime, Gates tries to sever ties with her.

Watch Line of Duty season 1 episode 1 (S01E01)

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Steve Arnott realises the target in his anti-corruption case is the city's top detective.

Watch Line of Duty (2012) show trailer

How to watch Line of Duty online without downloading

  1. Watch Line of Duty online only at TVZion for free. No download or registration required.
  2. Line of Duty first started airing on Jun 26, 2012 and we have updated 23 out of 23 aired episodes and we will add more as they air.
  3. Please note that new Line of Duty episodes can take upto 2 days to be updated after their first airing date.
  4. To watch Line of Duty episodes, select the season and episodes from the list above and the proper episode information will appear on the right side (or below in case of mobile devices), click on the watch now button below the episode info to go to episode page, and watch the respective episode without downloading.

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