Line of Duty has become one of top five most-watched dramas of the decade, but Bodyguard, penned by the same writer Jed Mercurio, has claimed the top spot.
The show's nail-biting fifth series finale on Sunday May 5 attracted a TV audience of 12.1 million, according to new figures.
Line of Duty is pulling in viewers (Credit: BBC One)
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This is enough to rank it above some of the decade's other big-hitters, such as Broadchurch and Call the Midwife.
But it's not quite in the same league as Bodyguard, whose finale last year enjoyed a TV audience of 14.3 million.
Bodyguard is the run-away hit (Credit: BBC)
Bodyguard remains this decade's most-watched drama series, followed by Doctor Who, Sherlock and Downton Abbey.