
Episodes

1. Eyes
29 Sept 2026 · 58 min · 8.8/10
The section is challenged by escalating tensions at a community event, while the investigation into Dana Morgan’s drug partnership with Tina McIntyre falters.

2. Numbers
6 Oct 2026 · 58 min · 7.0/10
In the wake of the attack on Amira, Grace’s determination puts her in danger, while Mo spirals further with violent consequences.

3. Everybody Knows
13 Oct 2026 · 58 min · 7.9/10
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.

4. So Far
20 Oct 2026 · 58 min · 7.5/10
Sandra reflects on a secret Gerry once shared with her and realises that she is in possession of volatile information.

5. Ghosts
27 Oct 2026 · 57 min · 8.2/10
Sandra enlists help to expose Gerry’s secrets, while Tommy and Shane inch closer to exposing the drug pipeline.

6. The Line
3 Nov 2026 · 59 min · 8.0/10
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.
Blue Lights Series 4: quick answers
How many episodes are in Blue Lights Series 4?
Series 4 of Blue Lights has 6 episodes, about 6 hours in total.
When did Blue Lights Series 4 come out?
Series 4 premiered on 29 Sept 2026.
What is the best episode of Blue Lights Series 4?
By viewer score, episode 1, “Eyes”, at 8.8/10.