
Episodes

1. The Party
29 Sept 2025 · 58 min · 7.6/10
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.

2. Skipper
6 Oct 2025 · 58 min · 8.2/10
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.

3. The Bird
13 Oct 2025 · 57 min · 8.0/10
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.

4. The Parting Glass
20 Oct 2025 · 58 min · 8.1/10
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.

5. Ordo ab Chao
27 Oct 2025 · 58 min · 8.1/10
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.

6. World of Our Own
3 Nov 2025 · 58 min · 7.8/10
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.
Blue Lights Series 3: quick answers
How many episodes are in Blue Lights Series 3?
Series 3 of Blue Lights has 6 episodes, about 6 hours in total.
When did Blue Lights Series 3 come out?
Series 3 premiered on 29 Sept 2025.
What is the best episode of Blue Lights Series 3?
By viewer score, episode 2, “Skipper”, at 8.2/10.