Line of Duty
“If you think catching criminals is tough, try catching police officers.”
We checked 8 streaming services in India on 04 Jun 2026 at 06:17 IST
About
A drama about the investigations of AC-12, a controversial police anticorruption unit.
Cast
Martin Compston
as DS Steve Arnott
Vicky McClure
as DC Kate Fleming
Adrian Dunbar
as SI Ted Hastings
Gregory Piper
as Ryan Pilkington
Nigel Boyle
as DI Ian Buckells
Kelly Macdonald
as DCI Jo Davidson
Owen Teale
as Philip Osborne
Anneika Rose
as Farida Jatri
Matthew Forsythe
as Suitor
Shalom Brune-Franklin
as DC Chloë Bishop
Seasons
Series 1
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
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
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 4
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 5
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 6
Series 6 sees AC-12 facing their most enigmatic adversary so far: Detective Chief Inspector Joanne Davidson, the senior investigating officer of a high-profile unsolved murder.
Season 7
Episodes
Series 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.
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.
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.
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.
Episode 5
With Gates on the run, the anti-corruption team come under pressure to close the case once and for all. Arnott is forced to make some tough decisions about where his loyalties lie. Fleming and Hastings go all out to catch Gates, leading to a shattering conclusion.
Where does Line of Duty rank today?
Line of Duty is #424 on the CineFlixo Daily Streaming Charts today.
- Highest: #424
- Top 10: 0 days
- Top 100: 0 days
Watch Line of Duty Online Free — All Episodes in HD
Stream Line of Duty online free in HD on CineFlixo. A highly acclaimed crime, drama, and mystery series originally produced in Inglés and released in 2012, it's earned a solid 8.2/10 from 473 viewers worldwide.
About Line of Duty
“If you think catching criminals is tough, try catching police officers.”
A drama about the investigations of AC-12, a controversial police anticorruption unit. Across 7 seasons and 36 episodes, originally airing on BBC One, with status "Returning Series".
Line of Duty Cast and Characters
The cast features Martin Compston (as DS Steve Arnott), Vicky McClure (as DC Kate Fleming), Adrian Dunbar (as SI Ted Hastings), Gregory Piper (as Ryan Pilkington), and Nigel Boyle (as DI Ian Buckells). Their performances are a major reason Line of Duty has built such a passionate audience.
Where to Watch Line of Duty Online
On CineFlixo you can watch Line of Duty free — no account, no credit card, no ads in the middle of the show. We stream the full series in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch Line of Duty NowWhy People Are Watching Line of Duty
There's a reason Line of Duty keeps showing up on "must-watch" lists. What makes it work is emotional weight that hits where it counts and tight pacing that earns its twists. If you enjoy Inglés storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Line of Duty
Where can I watch Line of Duty online for free?
You can watch Line of Duty online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Line of Duty have?
Line of Duty has 36 episodes across 7 seasons. All episodes are available to stream right here on CineFlixo.
Is Line of Duty good? What's the rating?
Line of Duty holds a 8.2/10 rating based on 473 reviews — genuinely excellent.
Who is in the cast of Line of Duty?
The main cast includes Martin Compston, Vicky McClure, Adrian Dunbar, and Gregory Piper, plus a strong supporting ensemble.
Is Line of Duty available in Inglés?
Yes — Line of Duty was originally produced in Inglés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Line of Duty released?
Line of Duty first aired in 2012.
Do I need an account to watch Line of Duty on CineFlixo?
No. CineFlixo is free and you can watch Line of Duty without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Where can I watch Line of Duty for free?
You can watch Line of Duty online for free on CineFlixo. All 36 episodes across 7 seasons are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Line of Duty have?
Line of Duty currently has 7 seasons and a total of 36 episodes. The series status is "Returning Series", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is Line of Duty about?
A drama about the investigations of AC-12, a controversial police anticorruption unit. It belongs to the Crime, Drama, Mystery genres.
In which language is Line of Duty originally available?
Line of Duty was originally produced in English. On CineFlixo the show is available in its original English audio, which is the most authentic way to experience the dialogue, music, and performances. Check the player options on the watch page for available subtitle tracks.
When was Line of Duty first released?
Line of Duty first premiered on June 26, 2012 (2012). The show is still ongoing with new episodes being released.
All Seasons
Browse every season of Line of Duty — 7 seasons in total
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