10 Obscure Movie Secrets That Took Years To Discover

4. The Naughty Wizards - Harry Potter And The Prisoner Of Azkaban

Spotting Easter Eggs in the credits of movies these days is far less of a rare hobby now that comic book movie stingers have made sitting through the scrolling names part and parcel of the film-watching experience. Even then , you'd be forgiven for not keeping your eyes peeled even if you did stay to watch it all.

That can be the only reason why no-one spotted the raunchy gag in the credits of Harry Potter And The Prisoner Of Azkaban, whose Marauder's Map design hid two Hogwarts students canoodling in a corner of the screen. Their activities were given away by the position of their feet.

And apparently, nobody noticed this one until 2011, a full seven years after the film's theatrical release.