Series synopsis
Blue Lights is a British crime drama television series that premiered on BBC One on March 27, 2023. It was created by Declan Lawn, Adam Patterson. It stars Sian Brooke, Katherine Devlin, Nathan Braniff and Martin McCann.
Follows rookie police officers working in Belfast, a city in which being a frontline response cop comes with unique pressures and dangers.
Premise
Follows rookie police officers working in Belfast, a city in which being a frontline response cop comes with unique pressures and dangers.
Cast and characters
Leading cast
- Sian Brooke as Grace Ellis
- Katherine Devlin as Annie Conlon
- Nathan Braniff as Tommy Foster
- Martin McCann as Stevie Neil
- Richard Dormer as Gerry Cliff
- Joanne Crawford as Helen McNally
- Hannah McClean as Jen Robinson
- Andi Osho as Sandra Cliff
Supporting cast
- Jonathan Harden as David 'Jonty' Johnson
- John Lynch as James McIntyre
- Frank Blake as Shane Bradley
- Michael Shea as Mo McIntyre
- Dane Whyte O'Hara as Gordy Mackle
- Gerard Jordan as Anto Donovan
- Seamus O'Hara as Lee Thompson
- Seána Kerslake as Margaret 'Mags' Thompson
- Craig McGinlay as Craig McQuarrie
- Dan Gordon as Robert 'Rab' McKendry
- Michael Smiley as Paul 'Colly' Collins
- Andrea Irvine as Nicola Robinson
Guest cast
- Andrea Irvine as Nicola Robinson
- Dearbháile McKinney as Aisling
- Desmond Eastwood as Murray Canning
- Faolan Morgan as Rory
- Ciaran Flynn as Eamonn McSweeney
- Mary Lindsay as Emma
- John Nayagam as John Desai
- Chris Corrigan as Jim 'Dixie' Dixon
- Alfie Lawless as Henry Thompson
- Dave Elliot as Brendan
- Grace Thompson as Shelley
- David Marken as Training Officer
Episodes
This series spans 4 seasons with 24 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 6 | March 27, 2023 | May 1, 2023 |
| Season 2 | 6 | April 15, 2024 | May 20, 2024 |
| Season 3 | 6 | September 29, 2025 | November 3, 2025 |
| Season 4 | 6 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
The Code 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? |
March 27, 2023 |
| 2 |
Bad Batch 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. |
April 3, 2023 |
| 3 |
The Fear 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. |
April 10, 2023 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
This Too Shall Pass 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. |
April 15, 2024 |
| 2 |
Iceberg A loyalist gangland feud turns up the pressure on the section. Annie makes an impetuous decision on a night out. |
April 22, 2024 |
| 3 |
Love Knows As tensions grow in Mount Eden, a response call forces Stevie to confront his past. Annie deals with the consequences of an impulsive decision. |
April 29, 2024 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
The Party 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. |
September 29, 2025 |
| 2 |
Skipper 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. |
October 6, 2025 |
| 3 |
The Bird 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. |
October 13, 2025 |
| Episode | Title | Air date |
|---|---|---|
| 1 | Episode 1 | |
| 2 | Episode 2 | |
| 3 | Episode 3 |
Production
Release
| Original network/platform | BBC One |
|---|---|
| First aired | March 27, 2023 |
| Last aired | November 3, 2025 |
| Status | continue |