LUTHER fans noticed a major blunder during tonight's series finale as a scene went from night to day in seconds.
The issue occurred as Idris Elba's character John entered a house where he believed serial killer Dr Jeremy Lake to be hiding out.
As he entered with DS Halliday - played by Wunmi Mosaku - he turned on a torch to see in the pitch darkness.
But moments later, after locating the murderer, John stepped outside into the blazing sunshine.
The blunder was immediately picked up on by eagle-eyed viewers, who took to Twitter to comment.
One wrote: "Did #luther just go from the middle of the night to the middle of the day?"
Another added: "So #luther went in in the dead of night then came out in broad daylight ! Impressive".
A third tweeted: "Anyone notice how quickly it went from night to day in #Luther?" while a fourth agreed, writing: "How did that last scene in #Luther go from night time when they arrived and day time when they left the house?? Did they chill all night with all those dead bodies??"
A fellow viewer shared: "#Luther brilliant loved it but.... they go in the house at night and come out daytime...."
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Viewers were also outraged by the shock ending, which saw psychopath Alice Morgan kill DS Halliday before plunging to her death.
The final episode in series 5 - branded the 'scariest ever' - left viewers mourning John's pal (Ruth Wilson) as the major character was mercilessly killed off.
Tweets poured in as fans paid their respects to twisted Alice - who had shot dead DS Halliday moments before.
One person said: "Nooooooooooooooooo Alice? Halliday? The end of the bloody season????"
Another said: "alice remains one of the baddest characters on telly"
And another pledged: "Well that's the end of my interest in #Luther. Alice Morgan is one of the best characters on TV. Unless she's resurrected, Series 6 can f*** off."