Line of Duty
There was a blink-and-you'll-miss-it moment going back as far as series one.
The drama's creator did not hold back after one social media user branded Line Of Duty a "cheap little show".
The police drama's conclusion has sparked a lot of conversation on social media.
Line Of Duty’s First Series Had A Major Clue About The Identity Of The Fourth Man, But Did You Spot It?
Writer Jed Mercurio had planted a hint in the 2012 series but it passed the show’s armchair detectives by.
The Steve Arnott actor said he “fully understood” that the conclusion “wasn’t the 'urgent exit’ type ending some anticipated”.
Missing Line Of Duty already? We might be able to help.
Fans are united in their love of AC-12's unsung hero.
"If everyone has their own ideas and theories, then someone’s not going to be happy somewhere along the line."
Like most of us, they never suspected that their character would be revealed as the so-called "fourth man".
If there's an AC-12-shaped hole in your life, these shows could well fill it.