I was always partial to those first eps of P+ where an excited Ludden would enter, throw his hand out to the audience, and then "wave" (not really a wave, but I think you'll know what I mean) over to the main game area, and the cameras would follow his wave, so it looked like he was moving the cameras with the "wave."
Watch the premiere of P+ if you're wondering what I mean.
Also, of course, Jim Peck's famous choreographed Big Showdown entrance.
(OT: favorite "choreography" on TV this year is when David Caruso puts on his sunglasses at the beginning of CSI: Miami, right before the scream going into the intro music!)