The six questions the Line of Duty finale must answer tonight msn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from msn.com Daily Mail and Mail on Sunday newspapers.
The series six finale of the hugely popular BBC drama airs this Sunday at 9pm
Some 12 million viewers are expected to tune into Jed Mercurio s police crime thriller - with the promise of H finally being unmasked
On social media, people have admitted the show airing tonight - in a 90-minute special - is the highlight of their bank holiday weekend
It s the question that has been haunting Line Of Duty fans, and Ted Hastings, for several series - who is the remaining fourth person?
And Alison Hammond confirmed their identity will finally be revealed during Sunday s finale as she announced H will be appearing on This Morning next week.
The presenter, 54, signed off from Friday s episode of the ITV show teasing viewers that H will be on the sofa on Monday, joking that she doesn t mean H from Steps.
At last: Alison Hammond teased that H will finally be revealed during Sunday s finale of Line Of Duty while signing off This Morning on Friday
Line of Duty fans believe Chief Constable Philip Osborne is the most likely to be unveiled as H in this Sunday s series finale, a poll has revealed.
The BBC drama has gone from strength to strength since its release, growing from an initial audience of four million adults to more than 11 million tuning in for the current series penultimate episode.
The show sees the officers of police anti-corruption unit AC-12 pitted against the mysterious antagonist known only as H or the fourth man , who heads up an organised crime syndicate controlling events from the shadows and potentially from within AC-12 itself.
Jimmy Savile detective examines each Line Of Duty character - and explains who is H Mirror 30/04/2021 Mark Jefferies & Poppy Danby
As the sixth series of Line of Duty reaches its nail-biting finale on Sunday, fans hope they will finally discover the identity of criminal mastermind “H”, or the “fourth man”.
Could it be one of the more obviously bent coppers, or will there be another breathtaking twist?
We examine the suspects alongside investigator and former detective Mark Williams-Thomas, who exposed Jimmy Savile as a paedophile in the TV documentary The Other Side Of Jimmy Savile, to see who is in the frame.