After what feels like an excruciatingly long wait, the nation’s best-loved police drama is finally back.
Series six of Line Of Duty will kick off on BBC One this Sunday and if the trailer’s anything to go by, the anti-corruption unit look set to face their most challenging case yet.
They’ll also be welcoming another new recruit – who will hopefully last longer than some of her predecessors – and, we hope, finally unravel the mystery surrounding ‘H’.
But how closely have you been paying attention to previous seasons? Would your knowledge impress the lead trio, or are you in need of some last-minute revision?
It’s been a whopping nine years since the first ever episode aired and it’s fair to say there’s been a lot of drama since. Ahead of the series six opener, test your knowledge of everything that’s taken place so far with the ultimate Line Of Duty quiz.
Give it a go below…
* Can’t get enough trivia action? Check out our dedicated Yahoo Quizzes page for more brainteasers! *