Blue Lights season 3 returns on September 29, 2025, airing weekly on Mondays at 9pm BST. Set in Belfast, the award-winning police drama delves into the complexities of policing in a city shaped by its political history.
Season 3 intensifies the stakes, introducing a covert intelligence operation targeting a sophisticated drug ring. Officers Grace Ellis (Siân Brooke), Stevie Neil (Martin McCann), and Annie Conlon (Katherine Devlin) face escalating challenges, including a traumatic car crash and deepening tensions within the team
Newcomers Michael Smiley and Cathy Tyson join the cast, adding depth to the unfolding narrative.
Blue Lights 2025 has already garnered rave reviews, with the Telegraph rating it five stars and naming it “the BBC’s best drama”. The Guardian says it “remains brilliant”.
Watch to see what the buzz is about? Here’s how to watch Blue Lights season 3 from anywhere in the world…
How to watch Blue Lights S3 for free on BBC iPlayer
The BBC’s online streaming site, BBC iPlayer, is streaming Blue Lights season 3 for free from Monday, September 29 – all six episodes are available now!
How to watch BBC iPlayer: Science fans who want to catch Blue Lights can watch on the BBC website or download the BBC iPlayer app (iOS / Android).
All you have to do is sign up and provide your email, date of birth, a UK postcode (e.g. SE1 7PB) and confirm that you have a TV license.
OUTSIDE THE UK? Use NordVPN to access BBC iPlayer from anywhere in the world.
How to watch Blue Lights season 3 on BBC iPlayer from anywhere
BBC iPlayer is only showing the third season of Blue Lights (2025) to residents in the UK.
Those traveling or working outside the UK will need to use a VPN to access BBC iPlayer’s free series.
There are lots of VPNs but NordVPN is the one you can rely on to unblock BBC iPlayer and watch Blue Lights series 3 from anywhere in the world.
It’s super simple to use a VPN to watch Blue Lights season 3 on BBC iPlayer.
1. Install the VPN of your choice. As we’ve said, NordVPN is our favorite.
2. Choose the location you wish to connect to in the VPN app. For instance, if you’re visiting the US and want to watch your free BBC iPlayer stream, you’d select ‘UK’.
3. Sit back and enjoy the action. Head to BBC iPlayer, sign in, and watch Blue Lights season 3 for free.
What devices is BBC iPlayer available on?
You can use BBC iPlayer on all of the following devices and platforms:
Amazon Fire (Tablets, Cube, Stick, TVs)
Android TV (please note: some models aren’t supported)
Android (Mobile & Tablet) – Android 7.0 and above
Apple TV (tvOS 14 or later)
Google TV
Freely
Freesat (please note: some models aren’t supported)
Freeview Play (TVs and set-top boxes)
iOS (iPhone & iPad) – iOS 14 and above
LG Smart TVs (2016-2024)
NOW Smart Sticks and Boxes (minimum firmware v11.5.0)
PlayStation (PS4 and PS5)
Roku (Stick & Roku-OS powered TVs, minimum firmware v11.5.0)
Samsung Smart TVs (2017 and above – 2016 models only offer on demand TV)
Sky Q, Sky Glass and Sky Stream
Virgin Media (360, Stream, TiVo)
YouView (BT, Humax, Sony, TalkTalk)
Xbox (One, Series X, Series S)
Blue Lights season 3 – Full episode guide:
Episode 1 – The Code
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?
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.
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.
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.
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.
Episode 6 – Love The One You’re With
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.
We test and review VPN services in the context of legal recreational uses. For example: 1. Accessing a service from another country (subject to the terms and conditions of that service). 2. Protecting your online security and strengthening your online privacy when abroad. We do not support or condone the illegal or malicious use of VPN services. Consuming pirated content that is paid-for is neither endorsed nor approved by Future Publishing.
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