Line of Duty

10 Worst Episodes of Line of Duty

A drama about the investigations of AC-12, a controversial police anticorruption unit.

Written by Sophie and last updated on jan 18, 2023.

PS: The following content contains spoilers!

PPS: I will admit that parts of this page was written with the help of AI - it makes my work so much easier to not start from a blank page!

Line of Duty - S4E1

#10 - Episode 1 (Season 4 - Episode 1)

DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation.

The episode was rated 7.92 from 1583 votes.

Line of Duty - S4E2

#9 - Episode 2 (Season 4 - Episode 2)


AC-12 crank up their investigation into Operation Trapdoor. Kate makes progress in her undercover role.

The episode was rated 7.89 from 1462 votes.

Line of Duty - S3E3

#8 - Episode 3 (Season 3 - Episode 3)

DS Steve Arnott believes there is a dark secret in Danny Waldron's past.

The episode was rated 7.89 from 1517 votes.

Line of Duty - S2E2

#7 - In the Line of Duty (Season 2 - Episode 2)


AC12's Kate Fleming is planted undercover in Lindsay Denton's Missing Persons Unit.

The episode was rated 7.89 from 1409 votes.

Line of Duty - S1E4

#6 - Shut Out (Season 1 - Episode 4)

Desperate for proof of Gates's corruption, Fleming pushes her relationship with him to the limit. But her behaviour causes Morton to question if she might not be such a loyal colleague after all.

The episode was rated 7.89 from 1516 votes.

Line of Duty - S2E3

#5 - Bail Hearing (Season 2 - Episode 3)


Lindsay is denied bail and finds herself targeted in prison.

The episode was rated 7.86 from 1375 votes.

Line of Duty - S3E2

#4 - Episode 2 (Season 3 - Episode 2)

After the shooting at the drugs house, DC Fleming increases the pressure on Danny Waldron.

The episode was rated 7.81 from 1553 votes.

Line of Duty - S1E2

#3 - Lost (Season 1 - Episode 2)


Having been duped into covering up Jackie's crime, Gates is desperate to sever ties with her. But, as Arnott and Fleming close in on his secret, Gates is plunged into an even more dangerous situation than he first thought.

The episode was rated 7.77 from 1620 votes.

Line of Duty - S1E3

#2 - No Criminal (Season 1 - Episode 3)

Arnott is convinced Gates played a part in Jackie's disappearance. With Fleming's help, the anti-corruption team tries to trap Gates into revealing his involvement in covering up Jackie's crimes.

The episode was rated 7.69 from 1549 votes.

Line of Duty - S1E1

#1 - Fahrenheit (Season 1 - Episode 1)


When Steve Arnott is transferred to a police anti-corruption unit, he finds his target is the city's top detective, Tony Gates. Can Gates really be as good as he appears? Arnott must engage in a cat-and-mouse struggle to uncover Gates' secret.

The episode was rated 7.61 from 1860 votes.

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