Season 1 of Line of Duty premiered on June 26, 2012
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.
Series 2
8.4
2014 • 6 Episodes
Season 2 of Line of Duty premiered on February 12, 2014
An ambush of a police convoy results in three police officers dead and a protected witness seriously injured. The sole surviving police officer is Det...Read more
Series 3
8.4
2016 • 6 Episodes
Season 3 of Line of Duty premiered on March 24, 2016
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. Bu...Read more
Series 4
8.3
2017 • 6 Episodes
Season 4 of Line of Duty premiered on March 26, 2017
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 ser...Read more
Series 5
8.5
2019 • 6 Episodes
Season 5 of Line of Duty premiered on March 31, 2019
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...Read more
Series 6
7.5
2021 • 7 Episodes
Season 6 of Line of Duty premiered on March 21, 2021
Series 6 sees AC-12 facing their most enigmatic adversary so far: Detective Chief Inspector Joanne Davidson, the senior investigating officer of a hig...Read more
Season 7
0.0
Season 7 of Line of Duty premiered on January 1, 1970