It's return was one of the most highly anticipated of the year and millions of viewers are now hooked on Line of Duty all over again.
The drama about the investigations of AC-12, a controversial police anti-corruption unit, has been gathering pace and fans with each new series. There have been four so far and now the countdown is on for series 5, which you can get a teaser in the above video from the BBC.
Things were left wide open at the end of series 4 for more episodes as Line of Duty’s network of “bent coppers” proved to be much larger than first anticipated, meaning the AC-12 had only scratched the surface on the level of police corruption they'd been monitoring.
In between series 4 and 5, Line of Duty's writer Jed Mercucio had us all gripped with massively popular award winning BBC drama Bodyguard , featuring now Golden Globe and National Television Award winner Richard Madden and Keeley Hawes.
But back on Line of Duty duties, Jed delivered an absolutely gripping first episode of the new series, leaving everyone wanting more!
How many episodes of Line of Duty are there?
There will be six episodes in total, each airing at 9pm on Sunday on BBC1.
After the episode on Sunday, April 14 there will be three left.
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