Season five of BBC cop drama Line of Duty will start on a Sunday prime time slot - showing the show's growing impact since it started out as a BBC Two midweek sleeper hit.
Back in June 2012, the show debuted with little fanfare on a Tuesday night, but went on to become the best-performing drama series in 10 years on the Beeb's second channel.
Since then it's grown and grown in popularity and that reflected in the new run taking up a prime slot on BBC One, beginning on Sunday March 31.
Martin Compston, Vicky McClure and Adrian Dunbar were the first to be confirmed for the new season before it was revealed that Stephen Graham (Save Me, This Is England, Boardwalk Empire) was joining the cast as John Corbett, aka Balaclava Man.
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Arnott, DS Kate Fleming and Supt Ted Hastings will investigate Corbett and his accomplice Lisa McQueen - played by Rochenda Sandall - following an explosive chain of events.
It has also been confirmed that Hastings and the rest of the AC-12 crew will be facing a new case, set nearly two years on from the season four finale, with writer Jed Mercurio telling Pilot TV Magazine:
"That is the fresh ground that we break in the series. That we’ve had these shadowy figures, ‘the Balaclava Men’, who are part of an organised crime group and have featured on and off all through the previous four seasons.
"But we’ve never really gone behind the mask and identified them as proper characters and found out about them."