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Season 4 – Blue Lights

Play trailer Poster for Season 4 – Blue Lights Next Ep Oct 20 Crime Drama Play Trailer Watchlist
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Tomatometer 3 Reviews Popcornmeter Fewer than 50 Ratings
In Belfast, three PSNI recruits fight against criminal gangs, undercover agents, their own communities and even their own police force.

Critics Reviews

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Carol Midgley The Times (UK) 4 days ago
4/5
It was an astute commentary on how social media helps fan the flames of discontent. Go to Full Review Benji Wilson Daily Telegraph (UK) Sep 29, 2026
5/5
This is subtle, masterful storytelling, superbly allied with nail-biting, at times almost unbearable, drama. Go to Full Review Ed Power Irish Times Sep 30, 2026
Its portrayal of the rise of racism in Ireland is, as I’ve said, cartoonish – and a contrived story about the station being on the chopping block due to budget cuts isn’t enough to sustain any tension. Go to Full Review Read all reviews

Audience Reviews

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Lane P @RT07242269 1 day ago Well done series, enjoying this See more Malcolm B @Wearytraveler 3 days ago After three excellent series number 4 has been a disappointment. The concept and the topics remain solid but the script is too emotional and manipulative. See more Diego V @RT81976796 Oct 6, 2026 Another amazing season! See more Andrei D @RT74856639 Oct 5, 2026 It still tries to blend too many storylines, but the acting is mostly good, the tension is solid, and episode 4 is standout See more Space O @Spaceolive Oct 1, 2026 Bit of a let down after the first couple of series’. See more Margaret G @Magggg128 Sep 30, 2026 This is a top notch police/crime drama. Good mix of interpersonal relationships between the police officers and the threats posed by the criminals. All set in Northern Ireland so is a window into how history collides with the present. See more Read all reviews
Blue Lights — Season 4

My Rating

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Cast & Crew

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Declan Lawn

Creator

Sian Brooke

Grace Ellis

Martin McCann

Stevie Neill

Katherine Devlin

Annie Conlon

Nathan Braniff

Tommy Foster

Neil Keery

Lawrence McCloskey

Episodes

Episode 1 Aired Sep 29, 2026 Eyes In Belfast, three PSNI recruits fight against criminal gangs, undercover agents, their own communities and even their own police force. Details Episode 2 Aired Oct 6, 2026 In Belfast, three PSNI recruits fight against criminal gangs, undercover agents, their own communities and even their own police force. Details Episode 3 Aired Oct 13, 2026 Everybody Knows In Belfast, three PSNI recruits fight against criminal gangs, undercover agents, their own communities and even their own police force. Details Episode 4 Airs Oct 20 So Far In Belfast, three PSNI recruits fight against criminal gangs, undercover agents, their own communities and even their own police force. Details Episode 5 Airs Oct 27 Ghosts In Belfast, three PSNI recruits fight against criminal gangs, undercover agents, their own communities and even their own police force. Details Episode 6 Airs Nov 3 The Line In Belfast, three PSNI recruits fight against criminal gangs, undercover agents, their own communities and even their own police force. Details

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Blue Lights — Season 4

Blue Lights View more photos

Season Info

Director
Sam O'Mahony, Angela Griffin
Creator
Declan Lawn
Executive Producer
Declan Lawn, Stephen Wright, Louise Gallagher, Adam Patterson
Screenwriter
Declan Lawn, Noel McCann, Morna Regan, Bronagh Taggart, Adam Patterson
Network
BritBox
Genre
Crime, Drama
Original Language
British English
Release Date
Sep 29, 2026
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