Jed Mercurio
Director
Line of Duty (2012)
Series 4
The fourth series sees AC-12 facing their most devious opponent yet! Under pressure from her superiors, DCI Roz Huntley charges a young man with a series of murders after months of fruitless investigation, but is he guilty? The Chief Forensic Investigator has doubts and turns to AC-12.
Released June 26, 2012
Episode 60 min
17+
Keywords: tmdb.police, tmdb.dirty-cop, tmdb.police-corruption, tmdb.procedural, tmdb.anti-corruption, tmdb.internal-affairs, imdb.female-police-detective + 20 more, imdb.british-police, imdb.criminal-conspiracy, imdb.male-female-partnership, imdb.three-word-title, imdb.police-procedural-crime, imdb.cop-drama, imdb.suspense-mystery, imdb.conspiracy, imdb.police, imdb.internal-affairs, imdb.police-corruption, imdb.united-kingdom, imdb.great-britain, imdb.anti-corruption, imdb.police-detective, imdb.police-investigation, imdb.2010s, tmdb.police-procedural, imdb.bbc, mdblist.certified-fresh
Watch Providers: Amazon Prime Video, Hulu, Tubi TV, The CW, Acorn TV + 17 more, BritBox, AcornTV Amazon Channel, BritBox Amazon Channel, The Roku Channel, Hoopla, fuboTV, Pluto TV, Peacock Premium, Peacock Premium Plus, Spectrum On Demand, Plex, Amazon Prime Video Free with Ads, Britbox Apple TV Channel , Acorn TV Apple TV, Plex Channel, Amazon Prime Video with Ads, Fawesome
Production Companies: World Productions, BBC Drama Productions
Network: BBC Two
Country: United Kingdom
Languages:
English
8.2
S4E1 - Episode 1
DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation.
March 26, 2017, midnight
8.1
S4E2 - Episode 2
AC-12 crank up their investigation into Operation Trapdoor. Kate makes progress in her undercover role.
April 2, 2017, midnight
8.4
S4E3 - Episode 3
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.
April 9, 2017, midnight
8.4
S4E4 - Episode 4
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.
April 16, 2017, midnight
8.2
S4E5 - Episode 5
DCI Roz Huntley struggles to allay her husband's suspicions. AC-12 find a new angle to pursue their case against her.
April 23, 2017, midnight
8.8
S4E6 - Episode 6
While Nick Huntley faces lengthy questioning, AC-12 remain convinced of Roz's involvement.
April 30, 2017, midnight
Network: BBC Two
Episode Runtime: 60 min.
Season Runtime: 2174 min.
Released: June 26, 2012
Last Air Date: May 2, 2021, midnight
Status: Returning Series
Certification: TV-MA / 17+
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