Blue Lights returned with its fourth series, now available to watch in full on BBC iPlayer, and episode two aired on Tuesday night. The hit Northern Irish police series has drawn a wave of fan reaction, with many viewers revealing they have already binged the new season.
Series four plot and episode two synopsis
A teaser for series four reads: “Three years into their jobs as response officers, Constables Grace Ellis, Tommy Foster, and Annie Conlon are operating at their limit, facing a new threat on the streets that the police can barely control.”
“Meanwhile, the murder trial of Gerry Cliff exposes a dangerous and long-buried secret that leads to chaos both inside the police and across the criminal underworld. As they grapple with big decisions about their future, Grace, Tommy and Annie must find the courage to face the greatest threat they have ever encountered: the truth.”
The synopsis for episode two states: “In the wake of the attack on Amira, Grace’s determination puts her in danger, while Mo spirals further with violent consequences.”
Fans share their reactions online
Many fans have taken to Twitter, now X, to share their thoughts on series four. One person said: “Such a brilliant show. Season 4 binged over 2 days. Not sure where it goes from here, would love more. I grew up with Cagney & Lacey, that really made me smile #BlueLights.”
Another viewer wrote: “@BBC thank you for another brilliant series of #bluelights, hopefully they’ll find a way to come back for a fifth season.” A different account put: “Just finished episode two of #BlueLights it’s brilliant! No spoilers!” while another person added: “Two episodes into #BlueLights S4, @sgfmann you were indeed correct, it’s great - gripping & so pertinent.”
Elsewhere, another show watcher praised: “Just finished S4 of #BlueLights, surely one the best cop dramas ever produced, the writing, acting and filming are all top notch. Edge of my seat every episode. If that was the last, then what a way to go out! Deserves every award coming it's way!”
While a different account added: “Finished watching #bluelights series 4 . I hope the BBC plan on doing more it’s probably one of the best shows I’ve watched on the beeb in recent years .. not sure how exactly most storylines seemed to be wrapped up!”
Blue Lights is available to watch on BBC One and BBC iPlayer.