Police drama

Where to watch Blue Lights in the U.S.

Name: Blue Lights
Genre: Police drama
Cast: Siân Brooke, Martin McCann, Katherine Devlin, Nathan Braniff

Rookie police officers in Belfast, where every call carries history.

U.S. date TBA BritBox Verified September 27, 2026 Editor reviewed

Artwork via TVmaze · © its respective owners

Quick answer · Season 4

No U.S. release date has been announced for Blue Lights season 4 yet.

BritBox streamed season 3 in the U.S. and has promoted season 4 as coming soon, but has not published a U.S. date.

U.S. premiere: Not announced
Where: BritBox
Time: TBA
Episodes: 6
U.K. premiere: September 29, 2026

Full season 4 episode schedule

Where to watch Blue Lights season 4 in the U.S.

Where to watch Blue Lights season 4 in the U.S.
Where	How	When	Notes
BritBox	Streaming, weeklySubscription	TBA	BritBox streamed season 3 in the U.S. and has promoted season 4 as coming soon, but has not published a U.S. date. [2][3]

About Blue Lights

A police drama following response officers in Belfast as they handle routine calls, organised crime and the pressures of policing in Northern Ireland.

Season 4: Six episodes, with Richard Dormer returning as Gerry Cliff. Series 4 launches in the U.K. on September 29, 2026. No U.S. date had been announced when we checked.

Originally from: BBC One / BBC iPlayer (first aired March 27, 2023)
Cast: Siân Brooke (Grace Ellis), Martin McCann (Stevie Neil), Katherine Devlin (Annie Conlon), Nathan Braniff (Tommy Foster)

All seasons

Season 4

U.S. date TBA

Six episodes, with Richard Dormer returning as Gerry Cliff. Series 4 launches in the U.K. on September 29, 2026. No U.S. date had been announced when we checked.

BritBox