Cracked has a list of the six most humiliating psychic failures and I could watch the videos all day. The most famous was when Uri Gellar went on the Tonight Show and failed to show any of his “powers” because James Randi had helped Johnny Carson, himself a former magician, understand how to block his tricks. Here’s that video:
And then there’s this one from James Van Praagh, doing a standard cold reading and failing miserably. If they really are in contact with dead people, why do they have to keep guessing? Why can’t their “spirit guides” just tell them the name instead of just giving them a letter or a big list of names? And why can’t they just say what was wrong with them instead of throwing out vague things like “something with their back or their legs” or “they were on some kind of medication”?