Line of Duty

A drama about the investigations of AC-12, a controversial police anticorruption unit.

Seasons

7

Episodes aired

36

Latest aired

S06E07

Total runtime

1d 12h

Timeline when each season aired

1. Season 1 June 2012 – July 2012 5 episodes
2. the show was away for 1 year and 6 months
3. Season 2 February 2014 – March 2014 6 episodes
4. the show was away for 2 years
5. Season 3 March 2016 – April 2016 6 episodes
6. Season 4 March 2017 – April 2017 6 episodes
7. the show was away for 1 year and 11 months
8. Season 5 March 2019 – May 2019 6 episodes
9. the show was away for 1 year and 10 months
10. Season 6 March 2021 – May 2021 7 episodes

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  S04E01 Episode 1

  March 26 · 58min find the promo

  Show synopsis

  DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation.

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  S04E02 Episode 2

  April 2 · 60min find the promo

  Show synopsis

  AC-12 crank up their investigation into Operation Trapdoor. Kate makes progress in her undercover role.

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  S04E03 Episode 3

  April 9 · 60min find the promo

  Show synopsis

  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.

• 

  S04E04 Episode 4

  April 16 · 59min find the promo

  Show synopsis

  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.

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  S04E05 Episode 5

  April 23 · 59min find the promo

  Show synopsis

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

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  S04E06 Episode 6

  April 30 · 58min find the promo

  Show synopsis

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