yogi and redcrx I believe that Acorah was being serious in the clip and only laughed at the end out of embarassment and because the other two were killing themselves.
But he's already been proven to be a charlatan when during one episode he started talking about dead people associated with the place that the team were due to visit the following evening. That's why he was sacked, IIRC...
John Edwards is brilliant though. I;ve just been in asdas and there was a tall dark haired bloke in bthere dressed head to foot in grey and black biker gear with a really really squeezable elbow.