The 12 Most Horrifyingly Convincing Ghost Videos Ever

'Tis the season to terrorize yourself, and one surefire way is to binge all the most terrifying videos of supernatural occurrences the web has to offer.

We've gone through the many clips claiming to prove ghosts exist, hand-picking the 12 we think are the most convincing.

Headless ghosts, transparent apparitions, fallen angels: these videos will convert even the most passionate skeptic.