This past week, M. Night Shyamalan's masterful dramatic horror film The Sixth Sense turned 20 years old, and no matter how inconsistent the filmmaker's output has been since, there's no denying the brilliance of this terrifically acted and enormously successful effort.
Despite the understandable concern that the twist might age the film badly, two decades on Shyamalan's defining work remains a taut and exceptionally atmospheric piece, and one that of course only deepens in meaning and intrigue on repeat viewings.
And so, it's time to dig deep into the finer details of the movie and see just how closely you were paying attention the last time you watched it.
For as much as we all remember, "I see dead people" and the mind-blowing plot twist - that the guy in the hairpiece was Bruce Willis the entire time, right? - did you take in those finer details which help shape the wider story?
As ever, the answers are at the end, so let's get to it...