The Best Seasons of Line of Duty: Uncovering the Heart-Pumping Twists

Calling all Line of Duty fans! If you haven’t jumped on this thrilling crime drama bandwagon yet, what are you waiting for? With six seasons under its belt and a seventh on the horizon, there’s never been a better time to dive into the gritty world of AC-12. But with so many seasons to choose from, where do you start? Fear not, my fellow TV enthusiasts. I’ve done the legwork and binged my way through all the seasons to bring you the ultimate guide to the best seasons of Line of Duty. So grab some snacks, settle in, and let’s get ready to uncover the most jaw-dropping moments, shocking twists, and unforgettable characters this show has to offer.
Series 5

Series 5

Season 5

Air Date: 2019-03-31

Series 5 follows the actions of Superintendent Ted Hastings, D.I. Kate Fleming and D.S. Steve Arnott as they investigate an Organised Crime Group with links to missing undercover officer D.S. John Corbett.

Series 4

Series 4

Season 4

Air Date: 2017-03-26

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.

Series 2

Series 2

Season 2

Air Date: 2014-02-12

An ambush of a police convoy results in three police officers dead and a protected witness seriously injured. The sole surviving police officer is Detective Inspector Lindsay Denton. Deputy Chief Constable Mike Dryden takes personal charge, assigning AC-12 to the case. Initially AC-12’s most valuable witness, the suspicion soon arises that Denton could be their prime suspect. In the pursuit of corruption, how far will they go to uncover the truth?

Series 3

Series 3

Season 3

Air Date: 2016-03-24

After a criminal is shot dead during a police raid, the AC-12 team begins examining the conduct of Sergeant Danny Waldron, leader of an elite unit. But Waldron’s loyal team obstructs the investigation, and the truth about the shooting proves more complicated than Arnott and Fleming could ever have imagined.

Series 6

Series 6

Season 6

Air Date: 2021-03-21

Series 1

Series 1

Season 1

Air Date: 2012-06-26

DS Steve Arnott is transferred to the police anti-corruption unit after the death of a man in a mistaken shooting during a counter-terrorist operation by another cop.