BLUE LIGHTS Season 3 Trailer, Clip, Featurette, Images and Poster

The third season of the Northern Irish police procedural drama series "Blue Lights" has premiered on September 29, 2025 on BBC One and BBC iPlayer. In the US, the third season was released on November 13, 2025 via BritBox. Created by Declan Lawn, Adam Patterson and Louise Gallagher, the show stars Sian Brooke, Katherine Devlin, Nathan Braniff, Martin McCann, Joanne Crawford, Andi Osho and Frankie McCafferty.

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SYNOPSIS

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"A group of response officers are thrust into a sinister world hidden behind the veneer of middle-class life, the world of the accountants and lawyers who facilitate organised crime. The old political and criminal order has gone and a new global gang rule Belfast, bringing danger closer to home for our officers than ever before."