The BEST episodes of Blue Lights

Every episode of Blue Lights ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Blue Lights!

For three police recruits in Belfast, the pressure is immense. Facing criminal gangs and divided communities, they don't know who to trust. The odds are, they won't all make it.

Last Updated: 12/12/2025Network: BBC OneStatus: Continuing

8.22

172 votes

#1 - World of Our Own

Season 3 - Episode 6 - Aired 11/3/2025

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.

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8.19

177 votes

#2 - Ordo ab Chao

Season 3 - Episode 5 - Aired 10/27/2025

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.

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8.01

320 votes

#3 - The Loyal

Season 2 - Episode 6 - Aired 5/20/2024

Mount Eden descends into chaos as Grace tries to get Henry out from under Lee’s control. Happy finally learns the truth.

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7.97

423 votes

#4 - Love the One You're With

Season 1 - Episode 6 - Aired 5/1/2023

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.

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7.91

329 votes

#5 - Where I Want to Be

Season 2 - Episode 5 - Aired 5/13/2024

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.

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7.86

423 votes

#6 - The Q Word

Season 1 - Episode 5 - Aired 4/24/2023

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.

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7.84

180 votes

#7 - Skipper

Season 3 - Episode 2 - Aired 10/6/2025

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 to help Lindsay.

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7.80

179 votes

#8 - The Parting Glass

Season 3 - Episode 4 - Aired 10/20/2025

Grace offers up a secret about her past in an attempt to connect with Lindsay. Aisling’s erratic behaviour forces Tommy to make a heartbreaking decision.

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7.77

163 votes

#9 - The Bird

Season 3 - Episode 3 - Aired 10/13/2025

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.

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7.71

317 votes

#10 - The Stamp of Nature

Season 2 - Episode 4 - Aired 5/6/2024

Lee is the new boss in Mount Eden. Under pressure from Canning to get results, Shane leads Tommy into danger.

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7.65

414 votes

#11 - Full Moon Fever

Season 1 - Episode 4 - Aired 4/17/2023

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.

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7.62

346 votes

#12 - Iceberg

Season 2 - Episode 2 - Aired 4/22/2024

A loyalist gangland feud turns up the pressure on the section. Annie makes an impetuous decision on a night out.

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7.59

323 votes

#13 - Love Knows

Season 2 - Episode 3 - Aired 4/29/2024

As tensions grow in Mount Eden, a response call forces Stevie to confront his past. Annie deals with the consequences of an impulsive decision.

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7.59

208 votes

#14 - The Party

Season 3 - Episode 1 - Aired 9/29/2025

A drug overdose brings the Blackthorn team into the world of Belfast’s seemingly innocent elite. Grace considers her failings when she is confronted by a face from her past.

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7.57

424 votes

#15 - The Fear

Season 1 - Episode 3 - Aired 4/10/2023

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.

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7.44

363 votes

#16 - This Too Shall Pass

Season 2 - Episode 1 - Aired 4/15/2024

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.

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7.41

459 votes

#17 - Bad Batch

Season 1 - Episode 2 - Aired 4/3/2023

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.

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7.32

544 votes

#18 - The Code

Season 1 - Episode 1 - Aired 3/27/2023

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?

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