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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, BritBox Amazon Channel, AcornTV Amazon Channel, Acorn TV, BritBox, AMC+ Amazon Channel, Britbox Apple TV Channel , Acorn TV Apple TV, Amazon Prime Video with Ads or buy it as download on Apple TV.
Where can I watch Line of Duty for free?
Line of Duty is available to watch for free today. If you are in Canada, you can:
- Stream 6 episodes online on Hoopla
- Stream 6 episodes online on Knowledge Network
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.
