Brazilian prank TV show Programa Silvio Santos really knows how to get their victims to scream. For this prank, they had a unsuspecting victims take a special elevator. After ascending few floors, the elevator would inexplicably stop, and lights would go out.
All of this is enough to spook most of the people. But the prank is not over yet. In the midst of all this, the final blow takes place when a little girl dressed like a ghost slips through a trap door. Only then the lights are turn on, so that the new and unexpected guest can be welcomed.