Latest episode
S4 E6 · The Line
· 5 days ago
Blue Lights is a drama and crime TV series that premiered on BBC One on March 27, 2023. It has 4 seasons and 24 episodes so far and is still airing new episodes. The latest episode, Season 4 Episode 6 "The Line", aired on November 3, 2026.
Follows rookie police officers working in Belfast, a city in which being a frontline response cop comes with unique pressures and dangers.
Last updated
24 episodes · 4 seasons
2023 · 6 episodes · Last episode: 3 years ago
Follows rookie police officers working in Belfast, a city in which being a frontline response cop comes with unique pressures and dangers.
Blue Lights Series 1 release dates →
E6
The team work together after the shooting. Stevie clashes with the spooks, Mo learns the truth about his father, and Grace accepts that she might break her promise to Angela.
E5
Mo’s side deal goes ahead, risking his relationship with his father. Tommy’s firearms exam is brought forward, and Stevie tries to convince Grace to come back to work.
E4
The police ombudsman investigates the team after a disastrous night shift. Helen uncovers a scandal, while a crisis at home has Grace doubting her career choice.
E3
A paramilitary-style assault case has Grace determined to bring the McIntyres to their knees. When Gordy pulls away from Angela, she becomes desperate for help.
E2
The team scramble to deal with a bad batch of drugs while the McIntyres try to cover their tracks. Annie receives terrifying news that has her wondering who she can trust.
E1
PSNI probationer Grace promises to help Angela, whose son has fallen in with a notorious gang. But with undercover agents watching, will she be able to keep her word?
2024 · 6 episodes · Last episode: 2 years ago
One year after the fall of the McIntyres, a gangland feud leads to chaos on the streets.
Blue Lights Series 2 release dates →
E6
Mount Eden descends into chaos as Grace tries to get Henry out from under Lee’s control. Happy finally learns the truth.
E5
Annie’s job is on the line. As Lee consolidates power, Stevie and Grace are thrown back together on a response call, with terrible consequences.
E4
Lee is the new boss in Mount Eden. Under pressure from Canning to get results, Shane leads Tommy into danger.
E3
As tensions grow in Mount Eden, a response call forces Stevie to confront his past. Annie deals with the consequences of an impulsive decision.
E2
A loyalist gangland feud turns up the pressure on the section. Annie makes an impetuous decision on a night out.
E1
A year into the job, the team are faced with a drug-fuelled crime wave that leads them into a loyalist estate. A violent clash puts Stevie and Grace’s working relationship at risk.
2025 · 6 episodes · Last episode: 1 year ago
E6
Grace and Sean are under serious threat, while Lindsay's testimony exposes the Ginleys. Colly takes a risk to go after Morgan, and Fogerty decides Tina is no longer useful.
E5
Grace and Sean bring in George for questioning, leading Morgan to take drastic measures to silence him. Shane faces an unexpected situation on a routine call-out.
E4
Grace offers up a secret about her own past in an attempt to connect to Lindsay. Aisling’s erratic behaviour forces Tommy to make a heartbreaking decision.
E3
Grace and Shane push boundaries for Lindsay’s sake as a threat closes in. Aisling and Tommy respond to a call-out where things are not as they seem, with unexpected consequences.
E2
A car crash has traumatic consequences for Aisling, while the fallout creates a deadly situation for the section. Grace turns to child protection to try and help Lindsay.
E1
The arrest of young drug dealer Sandy McKnight begins to expose a criminal conspiracy involving every level of Belfast’s society, from wealthy businesswoman Dana Morgan to vulnerable teenager Lindsay Singleton.
2026 · 6 episodes · Last episode: 5 days ago
E6
Life is in the balance after the explosion at Katie’s house, while Gerry’s evidence on state collusion is released. The section race to put an end to Morgan’s empire.
E5
Sandra enlists help to expose Gerry’s secrets, while Tommy and Shane inch closer to exposing the drug pipeline.
E4
Sandra reflects on a secret Gerry once shared with her and realises that she is in possession of volatile information.
E3
As Gerry’s murder trial begins, Mo’s unstable mental health ignites a struggle between the state and justice. Shane has a tense stand-off with Lee.
E2
In the wake of the attack on Amira, Grace’s determination puts her in danger, while Mo spirals further with violent consequences.
E1
The section is challenged by escalating tensions at a community event, while the investigation into Dana Morgan’s drug partnership with Tina McIntyre falters.
Created by Declan Lawn and Adam Patterson
Richard Dormer
Gerry Cliff
Joanne Crawford
Helen McNally
Jonathan Harden
David 'Jonty' Johnson
Dearbháile McKinney
Aisling
Andrea Irvine
Nicola Robinson
Frankie McCafferty
Barney Nugent
Neil Keery
Lawrence McCloskey
Faolan Morgan
Rory
Ciaran Flynn
Eamonn McSweeney
Mary Lindsay
Emma
John Nayagam
John Desai
Chris Corrigan
Jim 'Dixie' Dixon
Alfie Lawless
Henry Thompson
Dave Elliot
Brendan
Adam Best
Keith Wylie
Grace Thompson
Shelley
A date for the next episode of Blue Lights hasn't been announced yet. Follow Blue Lights in the Streambay app and you'll be notified as soon as a new episode airs.
The most recent episode of Blue Lights, Season 4 Episode 6 "The Line", aired on November 3, 2026.
Blue Lights has 4 seasons with 24 episodes in total.
Blue Lights first aired on BBC One on March 27, 2023.
Download the Streambay app, follow Blue Lights, and you'll get a push notification the moment each new episode is released.
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7.7
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