The best episodes of Line of Duty Season 6
Season 6 only — ranked by viewer rating, highs first. Lit marks on the season rail place this list across the run. Vote on a placement to back it or contest it. Fewer than 10 rated episodes — treat this ranking as provisional.
- 01
On the strength of evidence from a new witness, DCI Jo Davidson brings Terry Boyle back in for questioning about Gail Vella's murder. Kate is torn between loyalty to Jo and wanting to assist AC-12's investigation, and tensions increase when Kate encounters a face from the past with links to organised crime.
- 02
DCI Jo Davidson faces increasing pressure from all sides as AC-12 make major breakthroughs in the investigation.Hastings acknowledges that the disciplinary action against him put Kate and Steve in a difficult position, and a forensic report from Farida's house results in a shock for AC-12.
- 03
As AC-12 struggle to deal with the repercussions of tragic events, Hastings makes one final bid to uncover institutionalised corruption before his time runs out.
- 04
AC-12 link Gail Vella's murder with a historic case of police corruption, and Kate hatches a plan to tell once and for all if Jo is bent.They are closer than ever to cracking the case, but when Hastings' authority is undermined it leaves his team in a potentially dangerous situation.
- 05
When new information comes to light about a possible suspect in a year-long unsolved murder investigation, DCI Joanne Davidson appears keen to finally bring Gail Vella's killer to justice. However, after her conduct arouses suspicions, it's not long before AC-12 are on the case. But as AC-12's investigation uncovers deeper and darker information, will DCI Joanne Davidson turn out to be their most dangerous adversary yet?
- 06
Having opened an official inquiry into DCI Jo Davidson and Operation Lighthouse, AC-12 begin to suspect a cover up. Steve and Chloe dig into Gail Vella's controversial reporting for clues to her murder, and find links to previous AC-12 cases. Their investigation takes a shocking turn when they begin to scrutinise Jo's personal life.
- 07
With time running out, AC-12 attempt to unmask 'H', the Fourth Man (or Woman) commanding the network of corrupt officers behind the murder of Gail Vella. But sinister and powerful forces appear intent on orchestrating a cover-up.
Shows like Line of Duty
The closest matches on shared genres, ranked by match strength and popularity.
- 01Drama·Crime·ThrillerThe best episodes of True Detective2014–present
Touch darkness and darkness touches you back. - 02Drama·Crime·ThrillerThe best episodes of The Blacklist2013–2023·NBC
The Blacklist is a crime drama involving a former government agent who turned into a high-profile criminal turning himself in to the FBI offering to help catch criminals. - 03Drama·Crime·ThrillerThe best episodes of Criminal Minds2005–present·Paramount+
Criminal Minds revolves around an elite team of FBI profilers who analyze the country's most twisted criminal minds, anticipating their next moves before they strike again. - 04Drama·Crime·ThrillerThe best episodes of Breaking Bad2008–2019·AMC
Breaking Bad follows protagonist Walter White, a chemistry teacher who lives in New Mexico with his wife and teenage son who has cerebral palsy. - 05Drama·Crime·ThrillerThe best episodes of Euphoria2019–2026
Euphoria follows a group of high school students as they navigate love and friendships in a world of drugs, sex, trauma, and social media. - 06Drama·Crime·ThrillerThe best episodes of The Killing2011–2014·AMC
The Killing follows Seattle homicide detectives Stephen Holder and Sarah Linden and their work as detectives investigating murders.












