Most reactions to the Line of Duty finale were ones of disappointment, so it's little surprise people are wondering whether there could be a seventh season.
Since debuting in 2012, the BBC drama has captivated audiences, becoming an event television experience in the post-event era for the UK and beyond.
But the finale left little doubt that it was the last ever episode, which echoes statements made by cast members before the episode aired.
Was Season 6 the last season of Line of Duty?
Before the last episode aired, Martin Compston heavily hinted this was the end.
"You know, people have stuck with us for such a long time," he told a recent podcast.
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"I think there comes a point where the natural story act that's been running all these years is coming to an end."
Echoing Mercurio's recent comments about the uncertainty around a seventh season, Martin went on to add that the cast and crew "genuinely" don't know about the show's future.
"But that's nothing different for us," he concluded.
This tweet from series creator Jed Mercurio during the finale made it clear this is the end.
And Martin Comptson echoed the thoughts of Mercurio and his co-star Vicky McClure.
There is some good news for Line of Duty fans, however. Martin Comptson will be returning in a new series called Vigil "from the makers of Line of Duty" - a murder mystery set on a nuclear submarine - later this year.
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Sadly, he won't be wearing any waistcoats as he plays a member of submarine's crew, unless he's wearing them under his uniform. Now that would be a reveal.
Featured Image Credit:Topics: TV & Film, Line of Duty