The Best Episodes of Line of Duty

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

Getting to the Truth

#1 - Getting to the Truth

Season 3 - Episode 6

DS Steve Arnott is arrested on suspicion of murder but continues to protest his innocence. Does DC Kate Fleming's undercover operation hold the key to Steve's guilt and the identity of the Caddy?

star 8.62
1,097 votes

#2 - Commendation

Season 3 - Episode 5

AC-12's loyalties are divided when DS Steve Arnott comes under scrutiny from his colleagues. With his career in jeopardy, Arnott turns to an unlikely source for help.

star 8.30
1,064 votes
A Better Way

#3 - A Better Way

Season 1 - Episode 5

Gates goes on the run, convinced he can save his career and marriage by proving his innocence. As his options dwindle, the anti-corruption team faces renewed pressure to close the case, but rifts start to appear when Arnott questions how far Fleming is willing to go to get results.

star 8.06
960 votes
Taste of Freedom

#4 - Taste of Freedom

Season 2 - Episode 5

Lindsay fights for her life as troubling details emerge of a vicious conspiracy involving corrupt police officers. With growing evidence of links between Dryden and the ambush, Hastings is under pressure to arrest his senior officer.

star 8.06
868 votes

#5 - Breakfast

Season 2 - Episode 4

Following the violent attack she suffered in prison, Lindsay is granted special dispensation to visit her dying mother. DCC Dryden shrugs off allegations about his relationship with Lindsay and possible links to the ambush.

star 8.02
858 votes

#6 - Explanations

Season 3 - Episode 1

A hardened criminal is shot dead by an armed-response unit led by Sgt Danny Waldron, who claims they were acting in self-defence. But when AC-12 gather evidence suggesting it was a deliberate killing, DC Kate Fleming is sent undercover into Danny's team to find out more. She is quick to identify tensions within the team - only for her own conduct to come under scrutiny.

star 7.97
1,121 votes
Status Zero

#7 - Status Zero

Season 2 - Episode 1

A brutal ambush on a police convoy leaves three officers dead and a protected witness fighting for his life. AC-12 turns its spotlight on Lindsay Denton, the officer who led the convoy but escaped unscathed.

star 7.97
933 votes
Move On

#8 - Move On

Season 3 - Episode 4

Fresh testimony launches AC-12 back on the trail of the Caddy, a corrupt officer with links to organized crime. But new disturbing evidence suggests the Caddy may reside within AC-12.

star 7.95
1,045 votes
Bail Hearing

#9 - Bail Hearing

Season 2 - Episode 3

Lindsay is denied bail and finds herself targeted in prison. Growing increasingly desperate, she tells Kate about a relationship with an executive police officer and her theory of why she is being framed.

star 7.91
873 votes
The Defence Calls...

#10 - The Defence Calls...

Season 3 - Episode 3

DS Steve Arnott believes there is a dark secret in Danny Waldron's past. But while DI Cottan is commended for cracking the Waldron case, the spotlight falls on Arnott's questionable conduct in a previous enquiry.

star 7.90
1,047 votes
In the Line of Duty

#11 - In the Line of Duty

Season 2 - Episode 2

Following the tragedy at the hospital, AC12's Kate Fleming is planted undercover in Lindsay Denton's Missing Persons Unit. But Lindsay in turn gathers compromising evidence against the anti-corruption team.

star 7.90
896 votes
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Shut Out

#12 - 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 her loyalty.

star 7.90
976 votes
Man Down

#13 - Man Down

Season 3 - Episode 2

The shooting at the drugs house intensifies the scrutiny on Danny Waldron's armed-response unit, who once again close ranks. But with Kate Fleming on the inside, AC-12 feed in new information that helps her expose cracks in the team's story, while Steve Arnott looks deeper into the suspect sergeant's background and makes a shocking discovery. However, the anti-corruption cop's life is complicated by an investigation into his own past conduct.

star 7.84
1,092 votes

#14 - 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.

star 7.81
1,049 votes
Directors: David Caffrey
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No Criminal

#15 - 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.

star 7.74
1,008 votes
Directors: David Caffrey

#16 - Fahrenheit

Season 1 - Episode 1

When a counterterrorism raid goes tragically wrong, DS Steve Arnott refuses to participate in a cover-up. Ostracised by colleagues, he transfers to an anti-corruption unit led by Supt. Ted Hastings. He soon finds his target is the city's top detective, DCI Tony Gates. with whom he must engage in a cat-and-mouse struggle to uncover Gates' secret.

star 7.66
1,184 votes
Directors: David Caffrey