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IMDb 8.2 15+ HD
Blue Lights
2023 4 seasons Drama · Crime
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Blue Lights 4 of 4

Season 4

6 episodes 2026 5 h 48 min 1080p
Blue Lights — Season 4

About the series

Newly qualified officers take on front-line response duties in Belfast, a city where the job carries exceptional pressures. The series grounds its crime drama in the unique dangers and challenges of policing this particular place.

Season premiere
September 29, 2026
Episodes in the season
6
Whole season
5 h 48 min
September 29, 2026 Season fully aired

Episodes

6 episodes · 5 h 48 min

  1. 29 Sep 2026 Blue Lights, season 4, episode 1 — a still from the episode E01

    Eyes

    58 min

    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. 6 Oct 2026 Blue Lights, season 4, episode 2 — a still from the episode E02

    Numbers

    58 min

    In the wake of the attack on Amira, Grace’s determination puts her in danger, while Mo spirals further with violent consequences.
  3. — Blue Lights, season 4, episode 3 — a still from the episode E03

    Everybody Knows

    58 min

    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. — Blue Lights, season 4, episode 4 — a still from the episode E04

    So Far

    58 min

    Sandra reflects on a secret Gerry once shared with her and realises that she is in possession of volatile information.
  5. — Blue Lights, season 4, episode 5 — a still from the episode E05

    Ghosts

    57 min

    Sandra enlists help to expose Gerry’s secrets, while Tommy and Shane inch closer to exposing the drug pipeline.
  6. — Blue Lights, season 4, episode 6 — a still from the episode E06

    The Line

    59 min

    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.