I think this might be a Canadian exclusive? Anyway, I got to try it tonight. I was neither The One nor part of The Mob - I was just in The Crowd, which was still fun. You get to play along and compare your score against three random fellow players. I wouldn't schedule my week around this, but if I happened to have a few free hours while a game was going on, I'm fine with giving it a try.
One of the questions was "Which recent Academy Award nominee appeared at Wrestlemania XXV?" with the choices being Hulk Hogan, Mickey Rourke, and The Rock. I was surprised how many people got it wrong.
PS3 Retail Back to the Future: The Game Battlefield 3 The Cursed Crusade Disney Universe Dragon Ball Z: Ultimate Tenkaichi Grease Dance Heavy Fire: Afghanistan - The Chosen Few House of the Dead: Overkill - Extended Cut Just Dance Kids 2 Puss in Boots