One Batman fan has been having on Twitter by pointing out a 'blooper' that takes place in the scene between The Joker (Heath Ledger) and Harvey Dent (Aaron Eckhart).
"A great moment in movie history is when Harvey can't recognise The Joker until he takes off his surgery mask," they joke about Harvey's delayed reaction to The Joker's hospital visit.
And other people have been sharing their amusement at the revelation.
However, and we don't like to be party poopers, it's not really a blooper, is it?
Sure, Harvey doesn't immediately recoil at The Joker, but he's just had half his face melted off and is likely under some heavy medication, so it's no surprise he's a bit groggy.
You even see Harvey blink and struggle to adjust his eyes, before the camera cuts to The Joker removing his mask and then we see Harvey's reaction.
Just watch it again and tell us we're not right.
See? Sorry guys. Funny for the first time you see it though.
And whatever you think of that hospital moment, it doesn't take anything away from Ledger's perfectly delivered "hi" – just one small part in an astonishing performance.
