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6 Episodes
S4 E1 - Episode 1
S4 E2 - Episode 2
S4 E3 - Episode 3
S4 E4 - Episode 4
S4 E5 - Episode 5
S4 E6 - Episode 6
Streaming, rent, or buy Line of Duty – Season 4:
Currently you are able to watch "Line of Duty - Season 4" streaming on Amazon Prime Video, Hulu, fuboTV, Peacock Premium, Britbox Apple TV Channel , Crackle, Acorn TV, BritBox, BritBox Amazon Channel, AcornTV Amazon Channel, Spectrum On Demand, Acorn TV Apple TV, Amazon Prime Video with Ads, Peacock Premium Plus or for free with ads on The Roku Channel, Tubi TV, Pluto TV, Freevee. It is also possible to buy "Line of Duty - Season 4" as download on Apple TV, Amazon Video, Fandango At Home.
Synopsis
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.
