Grace (Siân Brooke), Annie (Katherine Devlin), and Tommy (Nathan Braniff) are back on to solve some more crimes as Blue Lights returns for a gripping third season.
Now two years into their policing careers, the trio face their most complex challenges yet - not on the frontlines of street crime, but in the shadows of South Belfast’s affluent suburbs.
While previous seasons focused on paramilitary influence and organised crime in other parts of the city, season three shifts the spotlight to a more polished, insidious underworld, where wealth and corruption intertwine.
The series will premiere on BBC One on Monday 29th September.
So you don't miss a moment, here's when every episode will air on BBC One and BBC iPlayer.
When does Blue Lights season 3 start?
Blue Lights season three starts on BBC One and BBC iPlayer on Monday 29th September at 9pm.
How many episodes of Blue Lights season three are there?
There are six episodes in the new series, which is the same as season one, which launched in May 2023 and season two which premiered last year April.
How to watch Blue Lights season 3
New episodes of Blue Lights season 3 will air weekly on BBC One and BBC iPlayer at 9pm.
If you prefer to binge the series in one-go, you're in luck as the entire boxset was made available to stream on BBC iPlayer from 29th September.
Blue Lights season 3 release schedule
Below is when each episode will air on BBC One:
- Episode 1 - Monday 29th September at 9pm
- Episode 2 - Monday 6th October at 9pm
- Episode 3 - Monday 13th October at 9pm
- Episode 4 - Monday 20th October at 9pm
- Episode 5 - Monday 27th October at 9pm
- Episode 6 - Monday 3rd November at 9pm
For more on each episode, keep scrolling.
Episode 1 - The arrest of young drug dealer Sandy McKnight starts to unravel a criminal network that reaches across all layers of Belfast society - from powerful businesswoman Dana Morgan to troubled teen Lindsay Singleton.
Episode 2 - A devastating car accident leaves Aisling reeling, and the aftermath puts the entire team in serious danger. Meanwhile, Grace shifts her focus to child protection in a bid to support Lindsay through an increasingly tense situation.
Episode 3 - As danger looms, Grace and Shane are forced to cross the line to protect Lindsay. Elsewhere, Aisling and Tommy respond to a routine call-out that quickly spirals out of control, leading to shocking and unforeseen consequences.
Episode 4 - Grace reveals a painful secret from her past in a bid to reach Lindsay, while Aisling’s spiralling behaviour leaves Tommy facing an agonising choice.
Episode 5 - Grace and Sean interrogate George, pushing Morgan to take extreme action to keep him quiet. Meanwhile, Shane finds himself in danger during what should have been a routine call-out.
Episode 6 - Grace and Sean find themselves in grave danger as Lindsay’s testimony brings the Ginleys’ crimes to light. Colly takes a bold gamble to confront Morgan, while Fogerty ruthlessly cuts ties with Tina, seeing no more use for her.
Blue Lights season three airs on BBC One and BBC iPlayer.
