The new movie "Rings" comes out next Friday. It's the new sequel to the horror movie "The Ring" . . . where the girl with long dark hair climbs out of a TV. Here's a video where the producers prank people by making it happen in real life.
They pranked people at an electronics store by showing them how realistic their HD TVs look. Then a girl who's dressed like the girl from the movie actually climbs out of one and attacks them.
It's actually amazing how many people don't realize it's a prank right away.